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Home Code Solutions

Maximum Product of Three Numbers – LeetCode Solution

Maximum Product of Three Numbers - LeetCode Solution Java , Python 3, Python 2 , C , C++, Best and Optimal Solutions , All you need.

BhautikBhalala by BhautikBhalala
September 11, 2022
Reading Time: 1 min read
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Leetcode All Problems Solutions

Leetcode All Problems Solutions

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Table of Contents

  • Maximum Product of Three Numbers – LeetCode Solution Java , Python 3, Python 2 , C , C++, Best and Optimal Solutions , All you need.
  • C++ Maximum Product of Three Numbers LeetCode Solution
  • Java Maximum Product of Three Numbers LeetCode Solution
  • Python 3 Maximum Product of Three Numbers LeetCode Solution
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Maximum Product of Three Numbers – LeetCode Solution Java , Python 3, Python 2 , C , C++, Best and Optimal Solutions , All you need.

Given an integer array nums, find three numbers whose product is maximum and return the maximum product.

 

Example 1:

Input: nums = [1,2,3]
Output: 6

Example 2:

Input: nums = [1,2,3,4]
Output: 24

Example 3:

Input: nums = [-1,-2,-3]
Output: -6

 

Constraints:

  • 3 <= nums.length <= 104
  • -1000 <= nums[i] <= 1000

C++ Maximum Product of Three Numbers LeetCode Solution


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class Solution {
public:
    int maximumProduct(vector<int>& nums) {
        int f[2][4], i, j;
        f[0][0] = f[1][0] = 1;
        for (j = 3; j > 0; --j) {
            f[0][j] = INT_MIN;
            f[1][j] = INT_MAX;
        }        
        
        for (i = 0; i < nums.size(); ++i) {
            for (j = 3; j > 0; --j) {
                if (f[0][j - 1] == INT_MIN) {
                    continue;
                }
                f[0][j] = max(f[0][j], max(f[0][j - 1] * nums[i], f[1][j - 1] * nums[i]));
                f[1][j] = min(f[1][j], min(f[0][j - 1] * nums[i], f[1][j - 1] * nums[i]));
            }
        }                              
        return f[0][3];
    }
};

Java Maximum Product of Three Numbers LeetCode Solution


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 public int maximumProduct(int[] nums) {
        int max1 = Integer.MIN_VALUE, max2 = Integer.MIN_VALUE, max3 = Integer.MIN_VALUE, min1 = Integer.MAX_VALUE, min2 = Integer.MAX_VALUE;
        for (int n : nums) {
            if (n > max1) {
                max3 = max2;
                max2 = max1;
                max1 = n;
            } else if (n > max2) {
                max3 = max2;
                max2 = n;
            } else if (n > max3) {
                max3 = n;
            }

            if (n < min1) {
                min2 = min1;
                min1 = n;
            } else if (n < min2) {
                min2 = n;
            }
        }
        return Math.max(max1*max2*max3, max1*min1*min2);
    }

 



Python 3 Maximum Product of Three Numbers LeetCode Solution


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 def maximumProduct(self, nums):
        return max(nums) * max(a * b for a, b in [heapq.nsmallest(2, nums), heapq.nlargest(3, nums)[1:]])



 

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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Tags: Cc++14full solutionGojavajava 15java 7java 8java8javascriptkotlinLeetCodeLeetCodeSolutionMaximum Product of Three Numberspypy 3Python 2python 3rubyrustSolution
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