# Find Minimum in Rotated Sorted Array – LeetCode Solution Java , Python 3, Python 2 , C , C++, Best and Optimal Solutions , All you need.

Suppose an array of length `n`

sorted in ascending order is **rotated** between `1`

and `n`

times. For example, the array `nums = [0,1,2,4,5,6,7]`

might become:

`[4,5,6,7,0,1,2]`

if it was rotated`4`

times.`[0,1,2,4,5,6,7]`

if it was rotated`7`

times.

Notice that **rotating** an array `[a[0], a[1], a[2], ..., a[n-1]]`

1 time results in the array `[a[n-1], a[0], a[1], a[2], ..., a[n-2]]`

.

Given the sorted rotated array `nums`

of **unique** elements, return *the minimum element of this array*.

You must write an algorithm that runs in `O(log n) time.`

**Example 1:**

Input:nums = [3,4,5,1,2]Output:1Explanation:The original array was [1,2,3,4,5] rotated 3 times.

**Example 2:**

Input:nums = [4,5,6,7,0,1,2]Output:0Explanation:The original array was [0,1,2,4,5,6,7] and it was rotated 4 times.

**Example 3:**

Input:nums = [11,13,15,17]Output:11Explanation:The original array was [11,13,15,17] and it was rotated 4 times.

**Constraints:**

`n == nums.length`

`1 <= n <= 5000`

`-5000 <= nums[i] <= 5000`

- All the integers of
`nums`

are**unique**. `nums`

is sorted and rotated between`1`

and`n`

times.

# C++ Find Minimum in Rotated Sorted Array LeetCode Solution

```
``````
int findMin(vector<int> &num) {
int start=0,end=num.size()-1;
while (start<end) {
if (num[start]<num[end])
return num[start];
int mid = (start+end)/2;
if (num[mid]>=num[start]) {
start = mid+1;
} else {
end = mid;
}
}
return num[start];
}
```

# Java Find Minimum in Rotated Sorted Array LeetCode Solution

```
``````
public class Solution {
public int findMin(int[] num) {
if (num == null || num.length == 0) {
return 0;
}
if (num.length == 1) {
return num[0];
}
int start = 0, end = num.length - 1;
while (start < end) {
int mid = (start + end) / 2;
if (mid > 0 && num[mid] < num[mid - 1]) {
return num[mid];
}
if (num[start] <= num[mid] && num[mid] > num[end]) {
start = mid + 1;
} else {
end = mid - 1;
}
}
return num[start];
}
}
```

# Python 3 Find Minimum in Rotated Sorted Array LeetCode Solution

```
``````
class Solution:
def findMin(self, nums: List[int]) -> int:
if len(nums) == 1 or nums[0] < nums[-1]:
return nums[0]
left, right = 0, len(nums) - 1
while left <= right:
mid = left + (right - left) // 2
if mid > 0 and nums[mid - 1] > nums[mid]: # The nums[mid] is the minimum number
return nums[mid]
if nums[mid] > nums[right]: # search on the right side, because smaller elements are in the right side
left = mid + 1
else:
right = mid - 1 # search the minimum in the left side
```

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