题解 | #二分查找——寻找峰值#
寻找峰值
https://www.nowcoder.com/practice/fcf87540c4f347bcb4cf720b5b350c76
class Solution { public: /** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param nums int整型vector * @return int整型 */ int findPeakElement(vector<int>& nums) { // write code here int l = 0; int r = nums.size()-1; while (l<r) { int mid = (l+r)/2; if(nums[mid] > nums[mid+1]) r=mid; else l = mid+1; } return r; } };