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Home Code Solutions

LeetCode All Array Solution List – all in one place

LeetCode All Array Solution List Java , Python 3, Python 2 , C , C++, Best and Optimal Solutions , All you need.

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October 5, 2022
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# Title Difficulty Solution Here
1 Two Sum Easy Solution Here
4 Median of Two Sorted Arrays Hard Solution Here
11 Container With Most Water Medium Solution Here
15 3Sum Medium Solution Here
16 3Sum Closest Medium Solution Here
18 4Sum Medium Solution Here
26 Remove Duplicates from Sorted Array Easy Solution Here
27 Remove Element Easy Solution Here
31 Next Permutation Medium Solution Here
33 Search in Rotated Sorted Array Medium Solution Here
34 Find First and Last Position of Element in Sorted Array Medium Solution Here
35 Search Insert Position Easy Solution Here
36 Valid Sudoku Medium Solution Here
37 Sudoku Solver Hard Solution Here
39 Combination Sum Medium Solution Here
40 Combination Sum II Medium Solution Here
41 First Missing Positive Hard Solution Here
42 Trapping Rain Water Hard Solution Here
45 Jump Game II Medium Solution Here
46 Permutations Medium Solution Here
47 Permutations II Medium Solution Here
48 Rotate Image Medium Solution Here
49 Group Anagrams Medium Solution Here
51 N-Queens Hard Solution Here
53 Maximum Subarray Medium Solution Here
54 Spiral Matrix Medium Solution Here
55 Jump Game Medium Solution Here
56 Merge Intervals Medium Solution Here
57 Insert Interval Medium Solution Here
59 Spiral Matrix II Medium Solution Here
63 Unique Paths II Medium Solution Here
64 Minimum Path Sum Medium Solution Here
66 Plus One Easy Solution Here
68 Text Justification Hard Solution Here
73 Set Matrix Zeroes Medium Solution Here
74 Search a 2D Matrix Medium Solution Here
75 Sort Colors Medium Solution Here
78 Subsets Medium Solution Here
79 Word Search Medium Solution Here
80 Remove Duplicates from Sorted Array II Medium Solution Here
81 Search in Rotated Sorted Array II Medium Solution Here
84 Largest Rectangle in Histogram Hard Solution Here
85 Maximal Rectangle Hard Solution Here
88 Merge Sorted Array Easy Solution Here
90 Subsets II Medium Solution Here
105 Construct Binary Tree from Preorder and Inorder Traversal Medium Solution Here
106 Construct Binary Tree from Inorder and Postorder Traversal Medium Solution Here
108 Convert Sorted Array to Binary Search Tree Easy Solution Here
118 Pascal’s Triangle Easy Solution Here
119 Pascal’s Triangle II Easy Solution Here
120 Triangle Medium Solution Here
121 Best Time to Buy and Sell Stock Easy Solution Here
122 Best Time to Buy and Sell Stock II Medium Solution Here
123 Best Time to Buy and Sell Stock III Hard Solution Here
128 Longest Consecutive Sequence Medium Solution Here
130 Surrounded Regions Medium Solution Here
134 Gas Station Medium Solution Here
135 Candy Hard Solution Here
136 Single Number Easy Solution Here
137 Single Number II Medium Solution Here
149 Max Points on a Line Hard Solution Here
150 Evaluate Reverse Polish Notation Medium Solution Here
152 Maximum Product Subarray Medium Solution Here
153 Find Minimum in Rotated Sorted Array Medium Solution Here
154 Find Minimum in Rotated Sorted Array II Hard Solution Here
162 Find Peak Element Medium Solution Here
163 Missing Ranges Easy Solution Here
164 Maximum Gap Hard Solution Here
167 Two Sum II – Input Array Is Sorted Medium Solution Here
169 Majority Element Easy Solution Here
170 Two Sum III – Data structure design Easy Solution Here
174 Dungeon Game Hard Solution Here
188 Best Time to Buy and Sell Stock IV Hard Solution Here
189 Rotate Array Medium Solution Here
198 House Robber Medium Solution Here
200 Number of Islands Medium Solution Here
204 Count Primes Medium Solution Here
209 Minimum Size Subarray Sum Medium Solution Here
212 Word Search II Hard Solution Here
213 House Robber II Medium Solution Here
215 Kth Largest Element in an Array Medium Solution Here
216 Combination Sum III Medium Solution Here
217 Contains Duplicate Easy Solution Here
218 The Skyline Problem Hard Solution Here
219 Contains Duplicate II Easy Solution Here
220 Contains Duplicate III Medium Solution Here
221 Maximal Square Medium Solution Here
228 Summary Ranges Easy Solution Here
229 Majority Element II Medium Solution Here
238 Product of Array Except Self Medium Solution Here
239 Sliding Window Maximum Hard Solution Here
240 Search a 2D Matrix II Medium Solution Here
243 Shortest Word Distance Easy Solution Here
244 Shortest Word Distance II Medium Solution Here
245 Shortest Word Distance III Medium Solution Here
247 Strobogrammatic Number II Medium Solution Here
248 Strobogrammatic Number III Hard Solution Here
249 Group Shifted Strings Medium Solution Here
251 Flatten 2D Vector Medium Solution Here
252 Meeting Rooms Easy Solution Here
253 Meeting Rooms II Medium Solution Here
254 Factor Combinations Medium Solution Here
256 Paint House Medium Solution Here
259 3Sum Smaller Medium Solution Here
260 Single Number III Medium Solution Here
265 Paint House II Hard Solution Here
268 Missing Number Easy Solution Here
269 Alien Dictionary Hard Solution Here
271 Encode and Decode Strings Medium Solution Here
274 H-Index Medium Solution Here
275 H-Index II Medium Solution Here
280 Wiggle Sort Medium Solution Here
281 Zigzag Iterator Medium Solution Here
283 Move Zeroes Easy Solution Here
284 Peeking Iterator Medium Solution Here
286 Walls and Gates Medium Solution Here
287 Find the Duplicate Number Medium Solution Here
288 Unique Word Abbreviation Medium Solution Here
289 Game of Life Medium Solution Here
296 Best Meeting Point Hard Solution Here
300 Longest Increasing Subsequence Medium Solution Here
302 Smallest Rectangle Enclosing Black Pixels Hard Solution Here
303 Range Sum Query – Immutable Easy Solution Here
304 Range Sum Query 2D – Immutable Medium Solution Here
305 Number of Islands II Hard Solution Here
307 Range Sum Query – Mutable Medium Solution Here
308 Range Sum Query 2D – Mutable Hard Solution Here
309 Best Time to Buy and Sell Stock with Cooldown Medium Solution Here
311 Sparse Matrix Multiplication Medium Solution Here
312 Burst Balloons Hard Solution Here
313 Super Ugly Number Medium Solution Here
315 Count of Smaller Numbers After Self Hard Solution Here
317 Shortest Distance from All Buildings Hard Solution Here
318 Maximum Product of Word Lengths Medium Solution Here
322 Coin Change Medium Solution Here
324 Wiggle Sort II Medium Solution Here
325 Maximum Size Subarray Sum Equals k Medium Solution Here
327 Count of Range Sum Hard Solution Here
329 Longest Increasing Path in a Matrix Hard Solution Here
330 Patching Array Hard Solution Here
334 Increasing Triplet Subsequence Medium Solution Here
335 Self Crossing Hard Solution Here
336 Palindrome Pairs Hard Solution Here
346 Moving Average from Data Stream Easy Solution Here
347 Top K Frequent Elements Medium Solution Here
348 Design Tic-Tac-Toe Medium Solution Here
349 Intersection of Two Arrays Easy Solution Here
350 Intersection of Two Arrays II Easy Solution Here
353 Design Snake Game Medium Solution Here
354 Russian Doll Envelopes Hard Solution Here
356 Line Reflection Medium Solution Here
360 Sort Transformed Array Medium Solution Here
361 Bomb Enemy Medium Solution Here
362 Design Hit Counter Medium Solution Here
363 Max Sum of Rectangle No Larger Than K Hard Solution Here
368 Largest Divisible Subset Medium Solution Here
370 Range Addition Medium Solution Here
373 Find K Pairs with Smallest Sums Medium Solution Here
376 Wiggle Subsequence Medium Solution Here
377 Combination Sum IV Medium Solution Here
378 Kth Smallest Element in a Sorted Matrix Medium Solution Here
379 Design Phone Directory Medium Solution Here
380 Insert Delete GetRandom O(1) Medium Solution Here
381 Insert Delete GetRandom O(1) – Duplicates allowed Hard Solution Here
384 Shuffle an Array Medium Solution Here
391 Perfect Rectangle Hard Solution Here
393 UTF-8 Validation Medium Solution Here
396 Rotate Function Medium Solution Here
399 Evaluate Division Medium Solution Here
403 Frog Jump Hard Solution Here
406 Queue Reconstruction by Height Medium Solution Here
407 Trapping Rain Water II Hard Solution Here
410 Split Array Largest Sum Hard Solution Here
413 Arithmetic Slices Medium Solution Here
414 Third Maximum Number Easy Solution Here
416 Partition Equal Subset Sum Medium Solution Here
417 Pacific Atlantic Water Flow Medium Solution Here
419 Battleships in a Board Medium Solution Here
421 Maximum XOR of Two Numbers in an Array Medium Solution Here
422 Valid Word Square Easy Solution Here
425 Word Squares Hard Solution Here
435 Non-overlapping Intervals Medium Solution Here
436 Find Right Interval Medium Solution Here
442 Find All Duplicates in an Array Medium Solution Here
444 Sequence Reconstruction Medium Solution Here
446 Arithmetic Slices II – Subsequence Hard Solution Here
447 Number of Boomerangs Medium Solution Here
448 Find All Numbers Disappeared in an Array Easy Solution Here
452 Minimum Number of Arrows to Burst Balloons Medium Solution Here
453 Minimum Moves to Equal Array Elements Medium Solution Here
454 4Sum II Medium Solution Here
455 Assign Cookies Easy Solution Here
456 132 Pattern Medium Solution Here
457 Circular Array Loop Medium Solution Here
462 Minimum Moves to Equal Array Elements II Medium Solution Here
463 Island Perimeter Easy Solution Here
465 Optimal Account Balancing Hard Solution Here
472 Concatenated Words Hard Solution Here
473 Matchsticks to Square Medium Solution Here
474 Ones and Zeroes Medium Solution Here
475 Heaters Medium Solution Here
477 Total Hamming Distance Medium Solution Here
480 Sliding Window Median Hard Solution Here
484 Find Permutation Medium Solution Here
485 Max Consecutive Ones Easy Solution Here
486 Predict the Winner Medium Solution Here
487 Max Consecutive Ones II Medium Solution Here
1643 Kth Smallest Instructions Hard Solution Here
491 Increasing Subsequences Medium Solution Here
493 Reverse Pairs Hard Solution Here
494 Target Sum Medium Solution Here
495 Teemo Attacking Easy Solution Here
496 Next Greater Element I Easy Solution Here
498 Diagonal Traverse Medium Solution Here
500 Keyboard Row Easy Solution Here
502 IPO Hard Solution Here
503 Next Greater Element II Medium Solution Here
506 Relative Ranks Easy Solution Here
2031 Count Subarrays With More Ones Than Zeros Medium Solution Here
2036 Maximum Alternating Subarray Sum Medium Solution Here
517 Super Washing Machines Hard Solution Here
518 Coin Change 2 Medium Solution Here
1983 Widest Pair of Indices With Equal Range Sum Medium Solution Here
522 Longest Uncommon Subsequence II Medium Solution Here
523 Continuous Subarray Sum Medium Solution Here
524 Longest Word in Dictionary through Deleting Medium Solution Here
525 Contiguous Array Medium Solution Here
526 Beautiful Arrangement Medium Solution Here
527 Word Abbreviation Hard Solution Here
529 Minesweeper Medium Solution Here
531 Lonely Pixel I Medium Solution Here
532 K-diff Pairs in an Array Medium Solution Here
533 Lonely Pixel II Medium Solution Here
539 Minimum Time Difference Medium Solution Here
540 Single Element in a Sorted Array Medium Solution Here
542 01 Matrix Medium Solution Here
546 Remove Boxes Hard Solution Here
548 Split Array with Equal Sum Hard Solution Here
1730 Shortest Path to Get Food Medium Solution Here
553 Optimal Division Medium Solution Here
554 Brick Wall Medium Solution Here
555 Split Concatenated Strings Medium Solution Here
560 Subarray Sum Equals K Medium Solution Here
561 Array Partition Easy Solution Here
562 Longest Line of Consecutive One in Matrix Medium Solution Here
565 Array Nesting Medium Solution Here
566 Reshape the Matrix Easy Solution Here
568 Maximum Vacation Days Hard Solution Here
573 Squirrel Simulation Medium Solution Here
575 Distribute Candies Easy Solution Here
581 Shortest Unsorted Continuous Subarray Medium Solution Here
582 Kill Process Medium Solution Here
587 Erect the Fence Hard Solution Here
594 Longest Harmonious Subsequence Easy Solution Here
598 Range Addition II Easy Solution Here
599 Minimum Index Sum of Two Lists Easy Solution Here
604 Design Compressed String Iterator Easy Solution Here
605 Can Place Flowers Easy Solution Here
609 Find Duplicate File in System Medium Solution Here
611 Valid Triangle Number Medium Solution Here
616 Add Bold Tag in String Medium Solution Here
621 Task Scheduler Medium Solution Here
624 Maximum Distance in Arrays Medium Solution Here
628 Maximum Product of Three Numbers Easy Solution Here
630 Course Schedule III Hard Solution Here
632 Smallest Range Covering Elements from K Lists Hard Solution Here
636 Exclusive Time of Functions Medium Solution Here
638 Shopping Offers Medium Solution Here
643 Maximum Average Subarray I Easy Solution Here
644 Maximum Average Subarray II Hard Solution Here
645 Set Mismatch Easy Solution Here
646 Maximum Length of Pair Chain Medium Solution Here
648 Replace Words Medium Solution Here
654 Maximum Binary Tree Medium Solution Here
656 Coin Path Hard Solution Here
658 Find K Closest Elements Medium Solution Here
659 Split Array into Consecutive Subsequences Medium Solution Here
661 Image Smoother Easy Solution Here
665 Non-decreasing Array Medium Solution Here
666 Path Sum IV Medium Solution Here
667 Beautiful Arrangement II Medium Solution Here
673 Number of Longest Increasing Subsequence Medium Solution Here
674 Longest Continuous Increasing Subsequence Easy Solution Here
675 Cut Off Trees for Golf Event Hard Solution Here
679 24 Game Hard Solution Here
682 Baseball Game Easy Solution Here
683 K Empty Slots Hard Solution Here
689 Maximum Sum of 3 Non-Overlapping Subarrays Hard Solution Here
691 Stickers to Spell Word Hard Solution Here
695 Max Area of Island Medium Solution Here
697 Degree of an Array Easy Solution Here
698 Partition to K Equal Sum Subsets Medium Solution Here
699 Falling Squares Hard Solution Here
713 Subarray Product Less Than K Medium Solution Here
714 Best Time to Buy and Sell Stock with Transaction Fee Medium Solution Here
717 1-bit and 2-bit Characters Easy Solution Here
718 Maximum Length of Repeated Subarray Medium Solution Here
719 Find K-th Smallest Pair Distance Hard Solution Here
720 Longest Word in Dictionary Medium Solution Here
721 Accounts Merge Medium Solution Here
722 Remove Comments Medium Solution Here
723 Candy Crush Medium Solution Here
724 Find Pivot Index Easy Solution Here
733 Flood Fill Easy Solution Here
734 Sentence Similarity Easy Solution Here
735 Asteroid Collision Medium Solution Here
737 Sentence Similarity II Medium Solution Here
739 Daily Temperatures Medium Solution Here
740 Delete and Earn Medium Solution Here
741 Cherry Pickup Hard Solution Here
744 Find Smallest Letter Greater Than Target Easy Solution Here
746 Min Cost Climbing Stairs Easy Solution Here
747 Largest Number At Least Twice of Others Easy Solution Here
748 Shortest Completing Word Easy Solution Here
749 Contain Virus Hard Solution Here
750 Number Of Corner Rectangles Medium Solution Here
752 Open the Lock Medium Solution Here
755 Pour Water Medium Solution Here
757 Set Intersection Size At Least Two Hard Solution Here
758 Bold Words in String Medium Solution Here
759 Employee Free Time Hard Solution Here
760 Find Anagram Mappings Easy Solution Here
764 Largest Plus Sign Medium Solution Here
427 Construct Quad Tree Medium Solution Here
766 Toeplitz Matrix Easy Solution Here
768 Max Chunks To Make Sorted II Hard Solution Here
769 Max Chunks To Make Sorted Medium Solution Here
702 Search in a Sorted Array of Unknown Size Medium Solution Here
773 Sliding Puzzle Hard Solution Here
774 Minimize Max Distance to Gas Station Hard Solution Here
775 Global and Local Inversions Medium Solution Here
704 Binary Search Easy Solution Here
778 Swim in Rising Water Hard Solution Here
781 Rabbits in Forest Medium Solution Here
782 Transform to Chessboard Hard Solution Here
786 K-th Smallest Prime Fraction Medium Solution Here
789 Escape The Ghosts Medium Solution Here
794 Valid Tic-Tac-Toe State Medium Solution Here
795 Number of Subarrays with Bounded Maximum Medium Solution Here
798 Smallest Rotation with Highest Score Hard Solution Here
705 Design HashSet Easy Solution Here
706 Design HashMap Easy Solution Here
801 Minimum Swaps To Make Sequences Increasing Hard Solution Here
803 Bricks Falling When Hit Hard Solution Here
804 Unique Morse Code Words Easy Solution Here
805 Split Array With Same Average Hard Solution Here
806 Number of Lines To Write String Easy Solution Here
807 Max Increase to Keep City Skyline Medium Solution Here
809 Expressive Words Medium Solution Here
810 Chalkboard XOR Game Hard Solution Here
811 Subdomain Visit Count Medium Solution Here
812 Largest Triangle Area Easy Solution Here
813 Largest Sum of Averages Medium Solution Here
815 Bus Routes Hard Solution Here
820 Short Encoding of Words Medium Solution Here
821 Shortest Distance to a Character Easy Solution Here
822 Card Flipping Game Medium Solution Here
823 Binary Trees With Factors Medium Solution Here
825 Friends Of Appropriate Ages Medium Solution Here
826 Most Profit Assigning Work Medium Solution Here
827 Making A Large Island Hard Solution Here
641 Design Circular Deque Medium Solution Here
622 Design Circular Queue Medium Solution Here
832 Flipping an Image Easy Solution Here
833 Find And Replace in String Medium Solution Here
835 Image Overlap Medium Solution Here
839 Similar String Groups Hard Solution Here
840 Magic Squares In Grid Medium Solution Here
843 Guess the Word Hard Solution Here
845 Longest Mountain in Array Medium Solution Here
846 Hand of Straights Medium Solution Here
848 Shifting Letters Medium Solution Here
849 Maximize Distance to Closest Person Medium Solution Here
850 Rectangle Area II Hard Solution Here
851 Loud and Rich Medium Solution Here
852 Peak Index in a Mountain Array Medium Solution Here
853 Car Fleet Medium Solution Here
857 Minimum Cost to Hire K Workers Hard Solution Here
860 Lemonade Change Easy Solution Here
861 Score After Flipping Matrix Medium Solution Here
862 Shortest Subarray with Sum at Least K Hard Solution Here
867 Transpose Matrix Easy Solution Here
870 Advantage Shuffle Medium Solution Here
871 Minimum Number of Refueling Stops Hard Solution Here
873 Length of Longest Fibonacci Subsequence Medium Solution Here
874 Walking Robot Simulation Medium Solution Here
875 Koko Eating Bananas Medium Solution Here
877 Stone Game Medium Solution Here
879 Profitable Schemes Hard Solution Here
881 Boats to Save People Medium Solution Here
883 Projection Area of 3D Shapes Easy Solution Here
885 Spiral Matrix III Medium Solution Here
888 Fair Candy Swap Easy Solution Here
889 Construct Binary Tree from Preorder and Postorder Traversal Medium Solution Here
890 Find and Replace Pattern Medium Solution Here
891 Sum of Subsequence Widths Hard Solution Here
892 Surface Area of 3D Shapes Easy Solution Here
893 Groups of Special-Equivalent Strings Medium Solution Here
896 Monotonic Array Easy Solution Here
898 Bitwise ORs of Subarrays Medium Solution Here
900 RLE Iterator Medium Solution Here
902 Numbers At Most N Given Digit Set Hard Solution Here
904 Fruit Into Baskets Medium Solution Here
905 Sort Array By Parity Easy Solution Here
907 Sum of Subarray Minimums Medium Solution Here
908 Smallest Range I Easy Solution Here
909 Snakes and Ladders Medium Solution Here
910 Smallest Range II Medium Solution Here
911 Online Election Medium Solution Here
912 Sort an Array Medium Solution Here
914 X of a Kind in a Deck of Cards Easy Solution Here
915 Partition Array into Disjoint Intervals Medium Solution Here
916 Word Subsets Medium Solution Here
918 Maximum Sum Circular Subarray Medium Solution Here
922 Sort Array By Parity II Easy Solution Here
923 3Sum With Multiplicity Medium Solution Here
924 Minimize Malware Spread Hard Solution Here
927 Three Equal Parts Hard Solution Here
928 Minimize Malware Spread II Hard Solution Here
929 Unique Email Addresses Easy Solution Here
930 Binary Subarrays With Sum Medium Solution Here
931 Minimum Falling Path Sum Medium Solution Here
932 Beautiful Array Medium Solution Here
934 Shortest Bridge Medium Solution Here
937 Reorder Data in Log Files Medium Solution Here
939 Minimum Area Rectangle Medium Solution Here
941 Valid Mountain Array Easy Solution Here
942 DI String Match Easy Solution Here
943 Find the Shortest Superstring Hard Solution Here
944 Delete Columns to Make Sorted Easy Solution Here
945 Minimum Increment to Make Array Unique Medium Solution Here
946 Validate Stack Sequences Medium Solution Here
948 Bag of Tokens Medium Solution Here
950 Reveal Cards In Increasing Order Medium Solution Here
952 Largest Component Size by Common Factor Hard Solution Here
953 Verifying an Alien Dictionary Easy Solution Here
954 Array of Doubled Pairs Medium Solution Here
955 Delete Columns to Make Sorted II Medium Solution Here
956 Tallest Billboard Hard Solution Here
957 Prison Cells After N Days Medium Solution Here
960 Delete Columns to Make Sorted III Hard Solution Here
961 N-Repeated Element in Size 2N Array Easy Solution Here
962 Maximum Width Ramp Medium Solution Here
963 Minimum Area Rectangle II Medium Solution Here
966 Vowel Spellchecker Medium Solution Here
969 Pancake Sorting Medium Solution Here
973 K Closest Points to Origin Medium Solution Here
974 Subarray Sums Divisible by K Medium Solution Here
975 Odd Even Jump Hard Solution Here
976 Largest Perimeter Triangle Easy Solution Here
977 Squares of a Sorted Array Easy Solution Here
978 Longest Turbulent Subarray Medium Solution Here
980 Unique Paths III Hard Solution Here
982 Triples with Bitwise AND Equal To Zero Hard Solution Here
983 Minimum Cost For Tickets Medium Solution Here
985 Sum of Even Numbers After Queries Medium Solution Here
986 Interval List Intersections Medium Solution Here
989 Add to Array-Form of Integer Easy Solution Here
990 Satisfiability of Equality Equations Medium Solution Here
992 Subarrays with K Different Integers Hard Solution Here
994 Rotting Oranges Medium Solution Here
995 Minimum Number of K Consecutive Bit Flips Hard Solution Here
996 Number of Squareful Arrays Hard Solution Here
997 Find the Town Judge Easy Solution Here
999 Available Captures for Rook Easy Solution Here
1000 Minimum Cost to Merge Stones Hard Solution Here
1001 Grid Illumination Hard Solution Here
1002 Find Common Characters Easy Solution Here
1004 Max Consecutive Ones III Medium Solution Here
1005 Maximize Sum Of Array After K Negations Easy Solution Here
1007 Minimum Domino Rotations For Equal Row Medium Solution Here
1008 Construct Binary Search Tree from Preorder Traversal Medium Solution Here
1057 Campus Bikes Medium Solution Here
1058 Minimize Rounding Error to Meet Target Medium Solution Here
1010 Pairs of Songs With Total Durations Divisible by 60 Medium Solution Here
1011 Capacity To Ship Packages Within D Days Medium Solution Here
1060 Missing Element in Sorted Array Medium Solution Here
1063 Number of Valid Subarrays Hard Solution Here
1013 Partition Array Into Three Parts With Equal Sum Easy Solution Here
1014 Best Sightseeing Pair Medium Solution Here
1064 Fixed Point Easy Solution Here
1066 Campus Bikes II Medium Solution Here
1018 Binary Prefix Divisible By 5 Easy Solution Here
1019 Next Greater Node In Linked List Medium Solution Here
1020 Number of Enclaves Medium Solution Here
1086 High Five Easy Solution Here
1065 Index Pairs of a String Easy Solution Here
1024 Video Stitching Medium Solution Here
1085 Sum of Digits in the Minimum Number Easy Solution Here
1099 Two Sum Less Than K Easy Solution Here
1101 The Earliest Moment When Everyone Become Friends Medium Solution Here
1027 Longest Arithmetic Subsequence Medium Solution Here
1030 Matrix Cells in Distance Order Easy Solution Here
1029 Two City Scheduling Medium Solution Here
1031 Maximum Sum of Two Non-Overlapping Subarrays Medium Solution Here
1032 Stream of Characters Hard Solution Here
1133 Largest Unique Number Easy Solution Here
1102 Path With Maximum Minimum Value Medium Solution Here
1150 Check If a Number Is Majority Element in a Sorted Array Easy Solution Here
1034 Coloring A Border Medium Solution Here
1035 Uncrossed Lines Medium Solution Here
1036 Escape a Large Maze Hard Solution Here
1151 Minimum Swaps to Group All 1’s Together Medium Solution Here
1152 Analyze User Website Visit Pattern Medium Solution Here
1039 Minimum Score Triangulation of Polygon Medium Solution Here
1160 Find Words That Can Be Formed by Characters Easy Solution Here
1040 Moving Stones Until Consecutive II Medium Solution Here
1037 Valid Boomerang Easy Solution Here
1162 As Far from Land as Possible Medium Solution Here
1121 Divide Array Into Increasing Sequences Hard Solution Here
1043 Partition Array for Maximum Sum Medium Solution Here
1167 Minimum Cost to Connect Sticks Medium Solution Here
1046 Last Stone Weight Easy Solution Here
1048 Longest String Chain Medium Solution Here
1049 Last Stone Weight II Medium Solution Here
1181 Before and After Puzzle Medium Solution Here
1182 Shortest Distance to Target Color Medium Solution Here
1051 Height Checker Easy Solution Here
1052 Grumpy Bookstore Owner Medium Solution Here
1053 Previous Permutation With One Swap Medium Solution Here
1054 Distant Barcodes Medium Solution Here
1196 How Many Apples Can You Put into the Basket Easy Solution Here
1198 Find Smallest Common Element in All Rows Medium Solution Here
1074 Number of Submatrices That Sum to Target Hard Solution Here
1072 Flip Columns For Maximum Number of Equal Rows Medium Solution Here
1073 Adding Two Negabinary Numbers Medium Solution Here
1213 Intersection of Three Sorted Arrays Easy Solution Here
1228 Missing Number In Arithmetic Progression Easy Solution Here
1229 Meeting Scheduler Medium Solution Here
1089 Duplicate Zeros Easy Solution Here
1090 Largest Values From Labels Medium Solution Here
1091 Shortest Path in Binary Matrix Medium Solution Here
1243 Array Transformation Easy Solution Here
1094 Car Pooling Medium Solution Here
1095 Find in Mountain Array Hard Solution Here
1257 Smallest Common Region Medium Solution Here
1258 Synonymous Sentences Medium Solution Here
1231 Divide Chocolate Hard Solution Here
1105 Filling Bookcase Shelves Medium Solution Here
1272 Remove Interval Medium Solution Here
1246 Palindrome Removal Hard Solution Here
1109 Corporate Flight Bookings Medium Solution Here
1619 Mean of Array After Removing Some Elements Easy Solution Here
1122 Relative Sort Array Easy Solution Here
1124 Longest Well-Performing Interval Medium Solution Here
1125 Smallest Sufficient Team Hard Solution Here
1287 Element Appearing More Than 25% In Sorted Array Easy Solution Here
1288 Remove Covered Intervals Medium Solution Here
1627 Graph Connectivity With Threshold Hard Solution Here
1289 Minimum Falling Path Sum II Hard Solution Here
1128 Number of Equivalent Domino Pairs Easy Solution Here
1131 Maximum of Absolute Value Expression Medium Solution Here
1299 Replace Elements with Greatest Element on Right Side Easy Solution Here
1300 Sum of Mutated Array Closest to Target Medium Solution Here
1274 Number of Ships in a Rectangle Hard Solution Here
1301 Number of Paths with Max Score Hard Solution Here
1139 Largest 1-Bordered Square Medium Solution Here
1140 Stone Game II Medium Solution Here
1313 Decompress Run-Length Encoded List Easy Solution Here
1314 Matrix Block Sum Medium Solution Here
1144 Decrease Elements To Make Array Zigzag Medium Solution Here
1146 Snapshot Array Medium Solution Here
1329 Sort the Matrix Diagonally Medium Solution Here
1330 Reverse Subarray To Maximize Array Value Hard Solution Here
1331 Rank Transform of an Array Easy Solution Here
1632 Rank Transform of a Matrix Hard Solution Here
1157 Online Majority Element In Subarray Hard Solution Here
1169 Invalid Transactions Medium Solution Here
1170 Compare Strings by Frequency of the Smallest Character Medium Solution Here
1363 Largest Multiple of Three Hard Solution Here
1176 Diet Plan Performance Easy Solution Here
1178 Number of Valid Words for Each Puzzle Hard Solution Here
1390 Four Divisors Medium Solution Here
1425 Constrained Subsequence Sum Hard Solution Here
1184 Distance Between Bus Stops Easy Solution Here
1186 Maximum Subarray Sum with One Deletion Medium Solution Here
1187 Make Array Strictly Increasing Hard Solution Here
1550 Three Consecutive Odds Easy Solution Here
2080 Range Frequency Queries Medium Solution Here
1191 K-Concatenation Maximum Sum Medium Solution Here
1944 Number of Visible People in a Queue Hard Solution Here
1200 Minimum Absolute Difference Easy Solution Here
2079 Watering Plants Medium Solution Here
1895 Largest Magic Square Medium Solution Here
2201 Count Artifacts That Can Be Extracted Medium Solution Here
1207 Unique Number of Occurrences Easy Solution Here
1210 Minimum Moves to Reach Target with Rotations Hard Solution Here
1706 Where Will the Ball Fall Medium Solution Here
1862 Sum of Floored Pairs Hard Solution Here
1217 Minimum Cost to Move Chips to The Same Position Easy Solution Here
1218 Longest Arithmetic Subsequence of Given Difference Medium Solution Here
1219 Path with Maximum Gold Medium Solution Here
2191 Sort the Jumbled Numbers Medium Solution Here
2226 Maximum Candies Allocated to K Children Medium Solution Here
1222 Queens That Can Attack the King Medium Solution Here
1223 Dice Roll Simulation Hard Solution Here
1224 Maximum Equal Frequency Hard Solution Here
1427 Perform String Shifts Easy Solution Here
2202 Maximize the Topmost Element After K Moves Medium Solution Here
2321 Maximum Score Of Spliced Array Hard Solution Here
1232 Check If It Is a Straight Line Easy Solution Here
1233 Remove Sub-Folders from the Filesystem Medium Solution Here
1235 Maximum Profit in Job Scheduling Hard Solution Here
2273 Find Resultant Array After Removing Anagrams Easy Solution Here
2225 Find Players With Zero or One Losses Medium Solution Here
2216 Minimum Deletions to Make Array Beautiful Medium Solution Here
1239 Maximum Length of a Concatenated String with Unique Characters Medium Solution Here
1726 Tuple with Same Product Medium Solution Here
1429 First Unique Number Medium Solution Here
1691 Maximum Height by Stacking Cuboids  Hard Solution Here
1248 Count Number of Nice Subarrays Medium Solution Here
1250 Check If It Is a Good Array Hard Solution Here
1428 Leftmost Column with at Least a One Medium Solution Here
2217 Find Palindrome With Fixed Length Medium Solution Here
2312 Selling Pieces of Wood Hard Solution Here
1252 Cells with Odd Values in a Matrix Easy Solution Here
1253 Reconstruct a 2-Row Binary Matrix Medium Solution Here
1254 Number of Closed Islands Medium Solution Here
1255 Maximum Score Words Formed by Letters Hard Solution Here
2303 Calculate Amount Paid in Taxes Easy Solution Here
1618 Maximum Font to Fit a Sentence in a Screen Medium Solution Here
1260 Shift 2D Grid Easy Solution Here
1262 Greatest Sum Divisible by Three Medium Solution Here
1263 Minimum Moves to Move a Box to Their Target Location Hard Solution Here
1426 Counting Elements Easy Solution Here
2215 Find the Difference of Two Arrays Easy Solution Here
2218 Maximum Value of K Coins From Piles Hard Solution Here
2304 Minimum Path Cost in a Grid Medium Solution Here
1266 Minimum Time Visiting All Points Easy Solution Here
1267 Count Servers that Communicate Medium Solution Here
1268 Search Suggestions System Medium Solution Here
1275 Find Winner on a Tic Tac Toe Game Easy Solution Here
1277 Count Square Submatrices with All Ones Medium Solution Here
1282 Group the People Given the Group Size They Belong To Medium Solution Here
1283 Find the Smallest Divisor Given a Threshold Medium Solution Here
1284 Minimum Number of Flips to Convert Binary Matrix to Zero Matrix Hard Solution Here
1292 Maximum Side Length of a Square with Sum Less than or Equal to Threshold Medium Solution Here
1293 Shortest Path in a Grid with Obstacles Elimination Hard Solution Here
2229 Check if an Array Is Consecutive Easy Solution Here
10005 Design a Load Distributor Hard Solution Here
2305 Fair Distribution of Cookies Medium Solution Here
1295 Find Numbers with Even Number of Digits Easy Solution Here
1296 Divide Array in Sets of K Consecutive Numbers Medium Solution Here
1298 Maximum Candies You Can Get from Boxes Hard Solution Here
1304 Find N Unique Integers Sum up to Zero Easy Solution Here
1306 Jump Game III Medium Solution Here
1307 Verbal Arithmetic Puzzle Hard Solution Here
2227 Encrypt and Decrypt Strings Hard Solution Here
1310 XOR Queries of a Subarray Medium Solution Here
1311 Get Watched Videos by Your Friends Medium Solution Here
1343 Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold Medium Solution Here
1345 Jump Game IV Hard Solution Here
1324 Print Words Vertically Medium Solution Here
1326 Minimum Number of Taps to Open to Water a Garden Hard Solution Here
1333 Filter Restaurants by Vegan-Friendly, Price and Distance Medium Solution Here
1335 Minimum Difficulty of a Job Schedule Hard Solution Here
1356 Sort Integers by The Number of 1 Bits Easy Solution Here
1357 Apply Discount Every n Orders Medium Solution Here
1337 The K Weakest Rows in a Matrix Easy Solution Here
1338 Reduce Array Size to The Half Medium Solution Here
1340 Jump Game V Hard Solution Here
1346 Check If N and Its Double Exist Easy Solution Here
1349 Maximum Students Taking Exam Hard Solution Here
1351 Count Negative Numbers in a Sorted Matrix Easy Solution Here
1352 Product of the Last K Numbers Medium Solution Here
1353 Maximum Number of Events That Can Be Attended Medium Solution Here
1354 Construct Target Array With Multiple Sums Hard Solution Here
1365 How Many Numbers Are Smaller Than the Current Number Easy Solution Here
1366 Rank Teams by Votes Medium Solution Here
1368 Minimum Cost to Make at Least One Valid Path in a Grid Hard Solution Here
1385 Find the Distance Value Between Two Arrays Easy Solution Here
1386 Cinema Seat Allocation Medium Solution Here
1388 Pizza With 3n Slices Hard Solution Here
1375 Number of Times Binary String Is Prefix-Aligned Medium Solution Here
1380 Lucky Numbers in a Matrix Easy Solution Here
1381 Design a Stack With Increment Operation Medium Solution Here
1383 Maximum Performance of a Team Hard Solution Here
1402 Reducing Dishes Hard Solution Here
1389 Create Target Array in the Given Order Easy Solution Here
1391 Check if There is a Valid Path in a Grid Medium Solution Here
1394 Find Lucky Integer in an Array Easy Solution Here
1395 Count Number of Teams Medium Solution Here
1413 Minimum Value to Get Positive Step by Step Sum Easy Solution Here
1403 Minimum Subsequence in Non-Increasing Order Easy Solution Here
1406 Stone Game III Hard Solution Here
1408 String Matching in an Array Easy Solution Here
1409 Queries on a Permutation With Key Medium Solution Here
1431 Kids With the Greatest Number of Candies Easy Solution Here
1434 Number of Ways to Wear Different Hats to Each Other Hard Solution Here
1418 Display Table of Food Orders in a Restaurant Medium Solution Here
1423 Maximum Points You Can Obtain from Cards Medium Solution Here
1424 Diagonal Traverse II Medium Solution Here
1449 Form Largest Integer With Digits That Add up to Target Hard Solution Here
1437 Check If All 1’s Are at Least Length K Places Away Easy Solution Here
1438 Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Medium Solution Here
1439 Find the Kth Smallest Sum of a Matrix With Sorted Rows Hard Solution Here
1441 Build an Array With Stack Operations Medium Solution Here
1442 Count Triplets That Can Form Two Arrays of Equal XOR Medium Solution Here
1444 Number of Ways of Cutting a Pizza Hard Solution Here
1460 Make Two Arrays Equal by Reversing Sub-arrays Easy Solution Here
1463 Cherry Pickup II Hard Solution Here
1450 Number of Students Doing Homework at a Given Time Easy Solution Here
1452 People Whose List of Favorite Companies Is Not a Subset of Another List Medium Solution Here
1453 Maximum Number of Darts Inside of a Circular Dartboard Hard Solution Here
1458 Max Dot Product of Two Subsequences Hard Solution Here
1475 Final Prices With a Special Discount in a Shop Easy Solution Here
1478 Allocate Mailboxes Hard Solution Here
1476 Subrectangle Queries Medium Solution Here
1477 Find Two Non-overlapping Sub-arrays Each With Target Sum Medium Solution Here
1464 Maximum Product of Two Elements in an Array Easy Solution Here
1465 Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts Medium Solution Here
1470 Shuffle the Array Easy Solution Here
1471 The k Strongest Values in an Array Medium Solution Here
1472 Design Browser History Medium Solution Here
1473 Paint House III Hard Solution Here
1491 Average Salary Excluding the Minimum and Maximum Salary Easy Solution Here
1493 Longest Subarray of 1’s After Deleting One Element Medium Solution Here
1480 Running Sum of 1d Array Easy Solution Here
1481 Least Number of Unique Integers after K Removals Medium Solution Here
1482 Minimum Number of Days to Make m Bouquets Medium Solution Here
1487 Making File Names Unique Medium Solution Here
1488 Avoid Flood in The City Medium Solution Here
1508 Range Sum of Sorted Subarray Sums Medium Solution Here
1509 Minimum Difference Between Largest and Smallest Value in Three Moves Medium Solution Here
1497 Check If Array Pairs Are Divisible by k Medium Solution Here
1498 Number of Subsequences That Satisfy the Given Sum Condition Medium Solution Here
1499 Max Value of Equation Hard Solution Here
1502 Can Make Arithmetic Progression From Sequence Easy Solution Here
1503 Last Moment Before All Ants Fall Out of a Plank Medium Solution Here
1504 Count Submatrices With All Ones Medium Solution Here
1524 Number of Sub-arrays With Odd Sum Medium Solution Here
1526 Minimum Number of Increments on Subarrays to Form a Target Array Hard Solution Here
1512 Number of Good Pairs Easy Solution Here
1521 Find a Value of a Mysterious Function Closest to Target Hard Solution Here
1539 Kth Missing Positive Number Easy Solution Here
1546 Maximum Number of Non-Overlapping Subarrays With Sum Equals Target Medium Solution Here
1528 Shuffle String Easy Solution Here
1534 Count Good Triplets Easy Solution Here
1535 Find the Winner of an Array Game Medium Solution Here
1536 Minimum Swaps to Arrange a Binary Grid Medium Solution Here
1537 Get the Maximum Score Hard Solution Here
1558 Minimum Numbers of Function Calls to Make Target Array Medium Solution Here
1559 Detect Cycles in 2D Grid Medium Solution Here
1547 Minimum Cost to Cut a Stick Hard Solution Here
1533 Find the Index of the Large Integer Medium Solution Here
1552 Magnetic Force Between Two Balls Medium Solution Here
1572 Matrix Diagonal Sum Easy Solution Here
1574 Shortest Subarray to be Removed to Make Array Sorted Medium Solution Here
1575 Count All Possible Routes Hard Solution Here
1538 Guess the Majority in a Hidden Array Medium Solution Here
1560 Most Visited Sector in a Circular Track Easy Solution Here
1561 Maximum Number of Coins You Can Get Medium Solution Here
1562 Find Latest Group of Size M Medium Solution Here
1563 Stone Game V Hard Solution Here
1566 Detect Pattern of Length M Repeated K or More Times Easy Solution Here
1567 Maximum Length of Subarray With Positive Product Medium Solution Here
1568 Minimum Number of Days to Disconnect Island Hard Solution Here
1569 Number of Ways to Reorder Array to Get Same BST Hard Solution Here
1588 Sum of All Odd Length Subarrays Easy Solution Here
1590 Make Sum Divisible by P Medium Solution Here
1589 Maximum Sum Obtained of Any Permutation Medium Solution Here
1591 Strange Printer II Hard Solution Here
1577 Number of Ways Where Square of Number Is Equal to Product of Two Numbers Medium Solution Here
1578 Minimum Time to Make Rope Colorful Medium Solution Here
1564 Put Boxes Into the Warehouse I Medium Solution Here
1582 Special Positions in a Binary Matrix Easy Solution Here
1583 Count Unhappy Friends Medium Solution Here
1584 Min Cost to Connect All Points Medium Solution Here
1604 Alert Using Same Key-Card Three or More Times in a One Hour Period Medium Solution Here
1606 Find Servers That Handled Most Number of Requests Hard Solution Here
1605 Find Valid Matrix Given Row and Column Sums Medium Solution Here
1570 Dot Product of Two Sparse Vectors Medium Solution Here
1594 Maximum Non Negative Product in a Matrix Medium Solution Here
1595 Minimum Cost to Connect Two Groups of Points Hard Solution Here
1580 Put Boxes Into the Warehouse II Medium Solution Here
1598 Crawler Log Folder Easy Solution Here
1599 Maximum Profit of Operating a Centennial Wheel Medium Solution Here
1601 Maximum Number of Achievable Transfer Requests Hard Solution Here
1620 Coordinate With Maximum Network Quality Medium Solution Here
1728 Cat and Mouse II Hard Solution Here
1608 Special Array With X Elements Greater Than or Equal X Easy Solution Here
1610 Maximum Number of Visible Points Hard Solution Here
1636 Sort Array by Increasing Frequency Easy Solution Here
1637 Widest Vertical Area Between Two Points Containing No Points Medium Solution Here
1639 Number of Ways to Form a Target String Given a Dictionary Hard Solution Here
1626 Best Team With No Conflicts Medium Solution Here
1629 Slowest Key Easy Solution Here
1630 Arithmetic Subarrays Medium Solution Here
1631 Path With Minimum Effort Medium Solution Here
1652 Defuse the Bomb Easy Solution Here
1654 Minimum Jumps to Reach Home Medium Solution Here
1655 Distribute Repeating Integers Hard Solution Here
1640 Check Array Formation Through Concatenation Easy Solution Here
1642 Furthest Building You Can Reach Medium Solution Here
1671 Minimum Number of Removals to Make Mountain Array Hard Solution Here
1670 Design Front Middle Back Queue Medium Solution Here
1646 Get Maximum in Generated Array Easy Solution Here
1648 Sell Diminishing-Valued Colored Balls Medium Solution Here
1649 Create Sorted Array through Instructions Hard Solution Here
1656 Design an Ordered Stream Easy Solution Here
1658 Minimum Operations to Reduce X to Zero Medium Solution Here
1662 Check If Two String Arrays are Equivalent Easy Solution Here
1664 Ways to Make a Fair Array Medium Solution Here
1665 Minimum Initial Energy to Finish Tasks Hard Solution Here
1684 Count the Number of Consistent Strings Easy Solution Here
1685 Sum of Absolute Differences in a Sorted Array Medium Solution Here
1686 Stone Game VI Medium Solution Here
1687 Delivering Boxes from Storage to Ports Hard Solution Here
1672 Richest Customer Wealth Easy Solution Here
1673 Find the Most Competitive Subsequence Medium Solution Here
1674 Minimum Moves to Make Array Complementary Medium Solution Here
1675 Minimize Deviation in Array Hard Solution Here
1679 Max Number of K-Sum Pairs Medium Solution Here
1681 Minimum Incompatibility Hard Solution Here
1700 Number of Students Unable to Eat Lunch Easy Solution Here
1701 Average Waiting Time Medium Solution Here
1703 Minimum Adjacent Swaps for K Consecutive Ones Hard Solution Here
1690 Stone Game VII Medium Solution Here
1714 Sum Of Special Evenly-Spaced Elements In Array Hard Solution Here
1695 Maximum Erasure Value Medium Solution Here
1696 Jump Game VI Medium Solution Here
1697 Checking Existence of Edge Length Limited Paths Hard Solution Here
1718 Construct the Lexicographically Largest Valid Sequence Medium Solution Here
1705 Maximum Number of Eaten Apples Medium Solution Here
1723 Find Minimum Time to Finish All Jobs Hard Solution Here
1707 Maximum XOR With an Element From Array Hard Solution Here
1710 Maximum Units on a Truck Easy Solution Here
1711 Count Good Meals Medium Solution Here
1712 Ways to Split Array Into Three Subarrays Medium Solution Here
1713 Minimum Operations to Make a Subsequence Hard Solution Here
1732 Find the Highest Altitude Easy Solution Here
1733 Minimum Number of People to Teach Medium Solution Here
1734 Decode XORed Permutation Medium Solution Here
1735 Count Ways to Make Array With Product Hard Solution Here
1720 Decode XORed Array Easy Solution Here
1722 Minimize Hamming Distance After Swap Operations Medium Solution Here
1725 Number Of Rectangles That Can Form The Largest Square Easy Solution Here
1727 Largest Submatrix With Rearrangements Medium Solution Here
1708 Largest Subarray Length K Easy Solution Here
1748 Sum of Unique Elements Easy Solution Here
1749 Maximum Absolute Sum of Any Subarray Medium Solution Here
1751 Maximum Number of Events That Can Be Attended II Hard Solution Here
1738 Find Kth Largest XOR Coordinate Value Medium Solution Here
1743 Restore the Array From Adjacent Pairs Medium Solution Here
1744 Can You Eat Your Favorite Candy on Your Favorite Day? Medium Solution Here
1764 Form Array by Concatenating Subarrays of Another Array Medium Solution Here
1765 Map of Highest Peak Medium Solution Here
1752 Check if Array Is Sorted and Rotated Easy Solution Here
1755 Closest Subsequence Sum Hard Solution Here
1760 Minimum Limit of Balls in a Bag Medium Solution Here
1779 Find Nearest Point That Has the Same X or Y Coordinate Easy Solution Here
1746 Maximum Subarray Sum After One Operation Medium Solution Here
1769 Minimum Number of Operations to Move All Balls to Each Box Medium Solution Here
1770 Maximum Score from Performing Multiplication Operations Medium Solution Here
1773 Count Items Matching a Rule Easy Solution Here
1774 Closest Dessert Cost Medium Solution Here
1775 Equal Sum Arrays With Minimum Number of Operations Medium Solution Here
1776 Car Fleet II Hard Solution Here
1756 Design Most Recently Used Queue Medium Solution Here
1799 Maximize Score After N Operations Hard Solution Here
1803 Count Pairs With XOR in a Range Hard Solution Here
1762 Buildings With an Ocean View Medium Solution Here
1785 Minimum Elements to Add to Form a Given Sum Medium Solution Here
1787 Make the XOR of All Segments Equal to Zero Hard Solution Here
1792 Maximum Average Pass Ratio Medium Solution Here
1793 Maximum Score of a Good Subarray Hard Solution Here
1772 Sort Features by Popularity Medium Solution Here
1813 Sentence Similarity III Medium Solution Here
1815 Maximum Number of Groups Getting Fresh Donuts Hard Solution Here
1814 Count Nice Pairs in an Array Medium Solution Here
1800 Maximum Ascending Subarray Sum Easy Solution Here
1801 Number of Orders in the Backlog Medium Solution Here
1798 Maximum Number of Consecutive Values You Can Make Medium Solution Here
1807 Evaluate the Bracket Pairs of a String Medium Solution Here
1806 Minimum Number of Operations to Reinitialize a Permutation Medium Solution Here
1788 Maximize the Beauty of the Garden Hard Solution Here
1827 Minimum Operations to Make the Array Increasing Easy Solution Here
1828 Queries on Number of Points Inside a Circle Medium Solution Here
1829 Maximum XOR for Each Query Medium Solution Here
1816 Truncate Sentence Easy Solution Here
1817 Finding the Users Active Minutes Medium Solution Here
1818 Minimum Absolute Sum Difference Medium Solution Here
1819 Number of Different Subsequences GCDs Hard Solution Here
1822 Sign of the Product of an Array Easy Solution Here
1823 Find the Winner of the Circular Game Medium Solution Here
1824 Minimum Sideway Jumps Medium Solution Here
1846 Maximum Element After Decreasing and Rearranging Medium Solution Here
1847 Closest Room Hard Solution Here
1833 Maximum Ice Cream Bars Medium Solution Here
1834 Single-Threaded CPU Medium Solution Here
1835 Find XOR Sum of All Pairs Bitwise AND Hard Solution Here
1838 Frequency of the Most Frequent Element Medium Solution Here
1840 Maximum Building Height Hard Solution Here
1820 Maximum Number of Accepted Invitations Medium Solution Here
1861 Rotating the Box Medium Solution Here
1848 Minimum Distance to the Target Element Easy Solution Here
1851 Minimum Interval to Include Each Query Hard Solution Here
1989 Maximum Number of People That Can Be Caught in Tag Medium Solution Here
1826 Faulty Sensor Easy Solution Here
1854 Maximum Population Year Easy Solution Here
1855 Maximum Distance Between a Pair of Values Medium Solution Here
1856 Maximum Subarray Min-Product Medium Solution Here
1877 Minimize Maximum Pair Sum in Array Medium Solution Here
1879 Minimum XOR Sum of Two Arrays Hard Solution Here
1878 Get Biggest Three Rhombus Sums in a Grid Medium Solution Here
1863 Sum of All Subset XOR Totals Easy Solution Here
1865 Finding Pairs With a Certain Sum Medium Solution Here
1870 Minimum Speed to Arrive on Time Medium Solution Here
1872 Stone Game VIII Hard Solution Here
1852 Distinct Numbers in Each Subarray Medium Solution Here
1893 Check if All the Integers in a Range Are Covered Easy Solution Here
1894 Find the Student that Will Replace the Chalk Medium Solution Here
1882 Process Tasks Using Servers Medium Solution Here
1883 Minimum Skips to Arrive at Meeting On Time Hard Solution Here
1886 Determine Whether Matrix Can Be Obtained By Rotation Easy Solution Here
1887 Reduction Operations to Make the Array Elements Equal Medium Solution Here
1889 Minimum Space Wasted From Packaging Hard Solution Here
1868 Product of Two Run-Length Encoded Arrays Medium Solution Here
1909 Remove One Element to Make the Array Strictly Increasing Easy Solution Here
1911 Maximum Alternating Subsequence Sum Medium Solution Here
1912 Design Movie Rental System Hard Solution Here
1899 Merge Triplets to Form Target Triplet Medium Solution Here
1898 Maximum Number of Removable Characters Medium Solution Here
1874 Minimize Product Sum of Two Arrays Medium Solution Here
1906 Minimum Absolute Difference Queries Medium Solution Here
1905 Count Sub Islands Medium Solution Here
1885 Count Pairs in Two Arrays Medium Solution Here
1926 Nearest Exit from Entrance in Maze Medium Solution Here
1913 Maximum Product Difference Between Two Pairs Easy Solution Here
1914 Cyclically Rotating a Grid Medium Solution Here
1891 Cutting Ribbons Medium Solution Here
1901 Find a Peak Element II Medium Solution Here
1920 Build Array from Permutation Easy Solution Here
1921 Eliminate Maximum Number of Monsters Medium Solution Here
1923 Longest Common Subpath Hard Solution Here
1942 The Number of the Smallest Unoccupied Chair Medium Solution Here
1943 Describe the Painting Medium Solution Here
2297 Jump Game VIII Medium Solution Here
1929 Concatenation of Array Easy Solution Here
1908 Game of Nim Medium Solution Here
2307 Check for Contradictions in Equations Hard Solution Here
1936 Add Minimum Number of Rungs Medium Solution Here
1937 Maximum Number of Points with Cost Medium Solution Here
1938 Maximum Genetic Difference Query Hard Solution Here
1918 Kth Smallest Subarray Sum Medium Solution Here
1940 Longest Common Subsequence Between Sorted Arrays Medium Solution Here
1950 Maximum of Minimum Values in All Subarrays Medium Solution Here
1956 Minimum Time For K Virus Variants to Spread Hard Solution Here
1924 Erect the Fence II Hard Solution Here
2021 Brightest Position on Street Medium Solution Here
1946 Largest Number After Mutating Substring Medium Solution Here
1947 Maximum Compatibility Score Sum Medium Solution Here
1948 Delete Duplicate Folders in System Hard Solution Here
1958 Check if Move is Legal Medium Solution Here
1959 Minimum Total Space Wasted With K Resizing Operations Medium Solution Here
2052 Minimum Cost to Separate Sentence Into Rows Medium Solution Here
1953 Maximum Number of Weeks for Which You Can Work Medium Solution Here
1968 Array With Elements Not Equal to Average of Neighbors Medium Solution Here
1955 Count Number of Special Subsequences Hard Solution Here
1975 Maximum Matrix Sum Medium Solution Here
1961 Check If String Is a Prefix of Array Easy Solution Here
1962 Remove Stones to Minimize the Total Medium Solution Here
1964 Find the Longest Valid Obstacle Course at Each Position Hard Solution Here
1970 Last Day Where You Can Still Cross Hard Solution Here
1991 Find the Middle Index in Array Easy Solution Here
1992 Find All Groups of Farmland Medium Solution Here
1994 The Number of Good Subsets Hard Solution Here
1979 Find Greatest Common Divisor of Array Easy Solution Here
1980 Find Unique Binary String Medium Solution Here
1981 Minimize the Difference Between Target and Chosen Elements Medium Solution Here
1982 Find Array Given Subset Sums Hard Solution Here
1966 Binary Searchable Numbers in an Unsorted Array Medium Solution Here
1984 Minimum Difference Between Highest and Lowest of K Scores Easy Solution Here
1985 Find the Kth Largest Integer in the Array Medium Solution Here
1986 Minimum Number of Work Sessions to Finish the Tasks Medium Solution Here
2006 Count Number of Pairs With Absolute Difference K Easy Solution Here
2007 Find Original Array From Doubled Array Medium Solution Here
2008 Maximum Earnings From Taxi Medium Solution Here
2009 Minimum Number of Operations to Make Array Continuous Hard Solution Here
1995 Count Special Quadruplets Easy Solution Here
1996 The Number of Weak Characters in the Game Medium Solution Here
1997 First Day Where You Have Been in All the Rooms Medium Solution Here
1998 GCD Sort of an Array Hard Solution Here
2001 Number of Pairs of Interchangeable Rectangles Medium Solution Here
2022 Convert 1D Array Into 2D Array Easy Solution Here
2023 Number of Pairs of Strings With Concatenation Equal to Target Medium Solution Here
2025 Maximum Number of Ways to Partition an Array Hard Solution Here
2011 Final Value of Variable After Performing Operations Easy Solution Here
2012 Sum of Beauty in the Array Medium Solution Here
2013 Detect Squares Medium Solution Here
2015 Average Height of Buildings in Each Segment Medium Solution Here
2016 Maximum Difference Between Increasing Elements Easy Solution Here
2017 Grid Game Medium Solution Here
2018 Check if Word Can Be Placed In Crossword Medium Solution Here
2019 The Score of Students Solving Math Expression Hard Solution Here
2037 Minimum Number of Moves to Seat Everyone Easy Solution Here
2040 Kth Smallest Product of Two Sorted Arrays Hard Solution Here
2039 The Time When the Network Becomes Idle Medium Solution Here
2028 Find Missing Observations Medium Solution Here
2029 Stone Game IX Medium Solution Here
2032 Two Out of Three Easy Solution Here
2033 Minimum Operations to Make a Uni-Value Grid Medium Solution Here
2035 Partition Array Into Two Arrays to Minimize Sum Difference Hard Solution Here
2053 Kth Distinct String in an Array Easy Solution Here
2054 Two Best Non-Overlapping Events Medium Solution Here
2055 Plates Between Candles Medium Solution Here
2056 Number of Valid Move Combinations On Chessboard Hard Solution Here
2043 Simple Bank System Medium Solution Here
2044 Count Number of Maximum Bitwise-OR Subsets Medium Solution Here
2049 Count Nodes With the Highest Score Medium Solution Here
2070 Most Beautiful Item for Each Query Medium Solution Here
2071 Maximum Number of Tasks You Can Assign Hard Solution Here
2057 Smallest Index With Equal Value Easy Solution Here
2059 Minimum Operations to Convert Number Medium Solution Here
2064 Minimized Maximum of Products Distributed to Any Store Medium Solution Here
2065 Maximum Path Quality of a Graph Hard Solution Here
2085 Count Common Words With One Occurrence Easy Solution Here
2087 Minimum Cost Homecoming of a Robot in a Grid Medium Solution Here
2088 Count Fertile Pyramids in a Land Hard Solution Here
2073 Time Needed to Buy Tickets Easy Solution Here
2078 Two Furthest Houses With Different Colors Easy Solution Here
2132 Stamping the Grid Hard Solution Here
2061 Number of Spaces Cleaning Robot Cleaned Medium Solution Here
2099 Find Subsequence of Length K With the Largest Sum Easy Solution Here
2100 Find Good Days to Rob the Bank Medium Solution Here
2101 Detonate the Maximum Bombs Medium Solution Here
2089 Find Target Indices After Sorting Array Easy Solution Here
2090 K Radius Subarray Averages Medium Solution Here
2091 Removing Minimum and Maximum From Array Medium Solution Here
2094 Finding 3-Digit Even Numbers Easy Solution Here
2114 Maximum Number of Words Found in Sentences Easy Solution Here
2115 Find All Possible Recipes from Given Supplies Medium Solution Here
2104 Sum of Subarray Ranges Medium Solution Here
2105 Watering Plants II Medium Solution Here
2106 Maximum Fruits Harvested After at Most K Steps Hard Solution Here
2108 Find First Palindromic String in the Array Easy Solution Here
2109 Adding Spaces to a String Medium Solution Here
2110 Number of Smooth Descent Periods of a Stock Medium Solution Here
2111 Minimum Operations to Make the Array K-Increasing Hard Solution Here
2131 Longest Palindrome by Concatenating Two Letter Words Medium Solution Here
2121 Intervals Between Identical Elements Medium Solution Here
2122 Recover the Original Array Hard Solution Here
2098 Subsequence of Size K With the Largest Even Sum Medium Solution Here
2125 Number of Laser Beams in a Bank Medium Solution Here
2126 Destroying Asteroids Medium Solution Here
2107 Number of Unique Flavors After Sharing K Candies Medium Solution Here
2144 Minimum Cost of Buying Candies With Discount Easy Solution Here
2145 Count the Hidden Sequences Medium Solution Here
2146 K Highest Ranked Items Within a Price Range Medium Solution Here
2133 Check if Every Row and Column Contains All Numbers Easy Solution Here
2134 Minimum Swaps to Group All 1’s Together II Medium Solution Here
2135 Count Words Obtained After Adding a Letter Medium Solution Here
2136 Earliest Possible Day of Full Bloom Hard Solution Here
2113 Elements in Array After Removing and Replacing Elements Medium Solution Here
2123 Minimum Operations to Remove Adjacent Ones in Matrix Hard Solution Here
2155 All Divisions With the Highest Score of a Binary Array Medium Solution Here
2140 Solving Questions With Brainpower Medium Solution Here
2141 Maximum Running Time of N Computers Hard Solution Here
2161 Partition Array According to Given Pivot Medium Solution Here
2163 Minimum Difference in Sums After Removal of Elements Hard Solution Here
2128 Remove All Ones With Row and Column Flips Medium Solution Here
2148 Count Elements With Strictly Smaller and Greater Elements  Easy Solution Here
2150 Find All Lonely Numbers in the Array Medium Solution Here
2149 Rearrange Array Elements by Sign Medium Solution Here
2151 Maximum Good People Based on Statements Hard Solution Here
2137 Pour Water Between Buckets to Make Water Levels Equal Medium Solution Here
2154 Keep Multiplying Found Values by Two Easy Solution Here
2176 Count Equal and Divisible Pairs in an Array Easy Solution Here
2179 Count Good Triplets in an Array Hard Solution Here
2143 Choose Numbers From Two Arrays in Range Hard Solution Here
2164 Sort Even and Odd Indices Independently Easy Solution Here
2166 Design Bitset Medium Solution Here
2152 Minimum Number of Lines to Cover Points Medium Solution Here
2170 Minimum Operations to Make the Array Alternating Medium Solution Here
2171 Removing Minimum Number of Magic Beans Medium Solution Here
2172 Maximum AND Sum of Array Hard Solution Here
2185 Counting Words With a Given Prefix Easy Solution Here
2187 Minimum Time to Complete Trips Medium Solution Here
2188 Minimum Time to Finish the Race Hard Solution Here
2158 Amount of New Area Painted Each Day Hard Solution Here
2183 Count Array Pairs Divisible by K Hard Solution Here
2195 Append K Integers With Minimal Sum Medium Solution Here
2196 Create Binary Tree From Descriptions Medium Solution Here
2197 Replace Non-Coprime Numbers in Array Hard Solution Here
2206 Divide Array Into Equal Pairs Easy Solution Here
2208 Minimum Operations to Halve Array Sum Medium Solution Here
2190 Most Frequent Number Following Key In an Array Easy Solution Here
2174 Remove All Ones With Row and Column Flips II Medium Solution Here
2210 Count Hills and Valleys in an Array Easy Solution Here
2212 Maximum Points in an Archery Competition Medium Solution Here
2213 Longest Substring of One Repeating Character Hard Solution Here
2200 Find All K-Distant Indices in an Array Easy Solution Here
2184 Number of Ways to Build Sturdy Brick Wall Medium Solution Here
2221 Find Triangular Sum of an Array Medium Solution Here
2233 Maximum Product After K Increments Medium Solution Here
2234 Maximum Total Beauty of the Gardens Hard Solution Here
2248 Intersection of Multiple Arrays Easy Solution Here
2249 Count Lattice Points Inside a Circle Medium Solution Here
2250 Count Number of Rectangles Containing Each Point Medium Solution Here
2251 Number of Flowers in Full Bloom Hard Solution Here
2260 Minimum Consecutive Cards to Pick Up Medium Solution Here
2261 K Divisible Elements Subarrays Medium Solution Here
2255 Count Prefixes of a Given String Easy Solution Here
2256 Minimum Average Difference Medium Solution Here
2257 Count Unguarded Cells in the Grid Medium Solution Here
2258 Escape the Spreading Fire Hard Solution Here
2267 Check if There Is a Valid Parentheses String Path Hard Solution Here
2239 Find Closest Number to Zero Easy Solution Here
2241 Design an ATM Machine Medium Solution Here
2242 Maximum Score of a Node Sequence Hard Solution Here
2214 Minimum Health to Beat Game Medium Solution Here
2274 Maximum Consecutive Floors Without Special Floors Medium Solution Here
2275 Largest Combination With Bitwise AND Greater Than Zero Medium Solution Here
2270 Number of Ways to Split Array Medium Solution Here
2271 Maximum White Tiles Covered by a Carpet Medium Solution Here
2272 Substring With Largest Variance Hard Solution Here
2244 Minimum Rounds to Complete All Tasks Medium Solution Here
2245 Maximum Trailing Zeros in a Cornered Path Medium Solution Here
2246 Longest Path With Different Adjacent Characters Hard Solution Here
2279 Maximum Bags With Full Capacity of Rocks Medium Solution Here
2280 Minimum Lines to Represent a Line Chart Medium Solution Here
2281 Sum of Total Strength of Wizards Hard Solution Here
2219 Maximum Sum Score of Array Medium Solution Here
2289 Steps to Make Array Non-decreasing Medium Solution Here
2290 Minimum Obstacle Removal to Reach Corner Hard Solution Here
2284 Sender With Largest Word Count Medium Solution Here
2237 Count Positions on Street With Required Brightness Medium Solution Here
2293 Min Max Game Easy Solution Here
2294 Partition Array Such That Maximum Difference Is K Medium Solution Here
2295 Replace Elements in an Array Medium Solution Here
2306 Naming a Company Hard Solution Here
2300 Successful Pairs of Spells and Potions Medium Solution Here
2301 Match Substring After Replacement Hard Solution Here
2302 Count Subarrays With Score Less Than K Hard Solution Here
2319 Check if Matrix Is X-Matrix Easy Solution Here
2322 Minimum Score After Removals on a Tree Hard Solution Here
2317 Maximum XOR After Operations  Medium Solution Here
2268 Minimum Number of Keypresses Medium Solution Here
2328 Number of Increasing Paths in a Grid Hard Solution Here
2326 Spiral Matrix IV Medium Solution Here
2335 Minimum Amount of Time to Fill Cups Easy Solution Here
2332 The Latest Time to Catch a Bus Medium Solution Here
2333 Minimum Sum of Squared Difference Medium Solution Here
2334 Subarray With Elements Greater Than Varying Threshold Hard Solution Here
2277 Closest Node to Path in Tree Hard Solution Here
2341 Maximum Number of Pairs in Array Easy Solution Here
2343 Query Kth Smallest Trimmed Number Medium Solution Here
2344 Minimum Deletions to Make Array Divisible Hard Solution Here
2282 Number of People That Can Be Seen in a Grid Medium Solution Here
2291 Maximum Profit From Trading Stocks Medium Solution Here
2352 Equal Row and Column Pairs Medium Solution Here
2354 Number of Excellent Pairs Hard Solution Here
2348 Number of Zero-Filled Subarrays Medium Solution Here
2347 Best Poker Hand Easy Solution Here
2350 Shortest Impossible Sequence of Rolls Hard Solution Here
2357 Make Array Zero by Subtracting Equal Amounts Easy Solution Here
2358 Maximum Number of Groups Entering a Competition Medium Solution Here
2367 Number of Arithmetic Triplets Easy Solution Here
2369 Check if There is a Valid Partition For The Array Medium Solution Here
2368 Reachable Nodes With Restrictions Medium Solution Here
2363 Merge Similar Items Easy Solution Here
2364 Count Number of Bad Pairs Medium Solution Here
2366 Minimum Replacements to Sort the Array Hard Solution Here
2373 Largest Local Values in a Matrix Easy Solution Here
2323 Find Minimum Time to Finish All Jobs II Medium Solution Here
2383 Minimum Hours of Training to Win a Competition Easy Solution Here
2386 Find the K-Sum of an Array Hard Solution Here
2381 Shifting Letters II Medium Solution Here
2382 Maximum Segment Sum After Removals Hard Solution Here
2389 Longest Subsequence With Limited Sum Easy Solution Here
2391 Minimum Amount of Time to Collect Garbage Medium Solution Here
2392 Build a Matrix With Conditions Hard Solution Here
2342 Max Sum of a Pair With Equal Sum of Digits Medium Solution Here
2340 Minimum Adjacent Swaps to Make a Valid Array Medium Solution Here
2365 Task Scheduler II Medium Solution Here
2345 Finding the Number of Visible Mountains Medium Solution Here
2355 Maximum Number of Books You Can Take Hard Solution Here
2361 Minimum Costs Using the Train Line Hard Solution Here
2371 Minimize Maximum Value in a Grid Hard Solution Here
2387 Median of a Row Wise Sorted Matrix Medium Solution Here

 

Array-1180
String-562
Hash Table-412
Dynamic Programming-390
Math-368
Sorting-264
Greedy-257
Depth-First Search-256
Database-215
Breadth-First Search-200
Tree-195
Binary Search-191
Matrix-176
Binary Tree-160
Two Pointers-151
Bit Manipulation-140
Stack-133
Heap (Priority Queue)-117
Design-116
Graph-108
Simulation-103
Prefix Sum-96
Backtracking-92
Counting-86
Sliding Window-73
Linked List-69
Union Find-66
Ordered Set-48
Monotonic Stack-47
Recursion-43
Trie-41
Binary Search Tree-40
Divide and Conquer-40
Enumeration-39
Bitmask-37
Queue-33
Memoization-32
Topological Sort-31
Geometry-30
Segment Tree-27
Game Theory-24
Hash Function-24
Binary Indexed Tree-21
Interactive-18
Data Stream-17
String Matching-17
Rolling Hash-17
Shortest Path-16
Number Theory-16
Combinatorics-15
Randomized-12
Monotonic Queue-9
Iterator-9
Merge Sort-9
Concurrency-9
Doubly-Linked List-8
Brainteaser-8
Probability and Statistics-7
Quickselect-7
Bucket Sort-6
Suffix Array-6
Minimum Spanning Tree-5
Counting Sort-5
Shell-4
Line Sweep-4
Reservoir Sampling-4
Eulerian Circuit-3
Radix Sort-3
Strongly Connected Componen-t2
Rejection Sampling-2
Biconnected Component-1

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