题解 | #寻找峰值#

import java.util.*;


public class Solution {
    /**
     * 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整型一维数组 
     * @return int整型
     */
    public int findPeakElement (int[] nums) {
        // write code here
        int n = nums.length;
        int left = 0;
        int right = n-1;
        while(left<right){
            int mid = (left+right)/2;
            if(nums[mid]>nums[mid+1]){
                right=mid;
            }else{
                left=mid+1;
            }
        }
        return right;
    }
}