J1ac

摘要： 1. 题目描述 Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents yo 阅读全文

摘要： 尝试着刷刷一些经典LeetCode题练练手感,随手做了两道看起来不起眼但还是需要一些细节的题: 1. 题目描述 Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along the 阅读全文