In a given integer array nums, there is always exactly one largest element. Find whether the largest element in the array is at least twice as much as every other number in the array. If it is, return the index of the largest element, otherwise retur
In a given integer array nums, there is always exactly one largest element. Find whether the largest element in the array is at least twice as much as every other number in the array. If it is, return the index of the largest element, otherwise retur
Leetcode747至少是其他数字两倍的最大数 在一个给定的数组nums中,总是存在一个最大元素 .查找数组中的最大元素是否至少是数组中每个其他数字的两倍.如果是,则返回最大元素的索引,否则返回-1. Given an array of integers nums, write a method that returns the "pivot" index of this array.We define the pivot index as the index where the s