Suppose a sorted array is rotated at some pivot unknown to you beforehand.
(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).
Find the minimum element.
You may assume no duplicate exists in the array.
思路:采取二分方法,将中间的值与边界进行相比较。
1 class Solution {
2 public:
3 int findMin(vector<
int>&
nums) {
4 int left =
0,right = nums.size()-
1;
5 while(left<
right){
6 int middle = (left + right)/
2;
7 if(nums[middle]>=
nums[right])
8 left = middle+
1;
9 else
10 right =
middle;
11 }
12 return nums[left];
13
14 }
15 };
转载于:https://www.cnblogs.com/GoFly/p/5754516.html