题解 | #寻找峰值#

/**
 * 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
 */
function findPeakElement( nums ) {
    // write code here
    let left = 0
    let right = nums.length-1
    let mid = 0
    while(left < right) {
        mid = Math.floor((right-left)/2)+left
        if(nums[mid] < nums[mid+1]) {
            left = mid+1
        } 
        else {
            right = mid
        }
    }
    return left
}
module.exports = {
    findPeakElement : findPeakElement
};