7 lines concise and easy understand c++ solution


  • 2
    A
    class Solution {
    public:
        int findPeakElement(vector<int>& nums) {
            int l = 0, r = nums.size() - 1;
            while(l < r){
                int mid = l + (r - l)/2;
                if(nums[mid] > nums[mid + 1]) r = mid;
                else l = mid + 1;
            }
            return l;
        }
    };

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