367. Valid Perfect Square-有效的完全平方数
Given a positive integer num, write a function which re... » 阅读全文
350. Intersection of Two Arrays II-两个数组的交集 II
Given two arrays, write a function to compute their int... » 阅读全文
349. Intersection of Two Arrays-两个数组的交集
Given two arrays, write a function to compute their int... » 阅读全文
345. Reverse Vowels of a String-反转字符串中的元音字母
Write a function that takes a string as input and rever... » 阅读全文
344. Reverse String-反转字符串
Write a function that reverses a string. The input stri... » 阅读全文
342. Power of Four-4的幂
Given an integer n, return true if it is a power of fou... » 阅读全文
326. Power of Three-3的幂
Given an integer n, return true if it is a power of thr... » 阅读全文
303. Range Sum Query – Immutable-区域和检索 – 数组不可变
Given an integer array nums, find the sum of the elemen... » 阅读全文
290. Word Pattern-单词规律
Given a pattern and a string s, find if s follows the s... » 阅读全文
283. Move Zeroes-移动零
Given an array nums, write a function to move all 0R... » 阅读全文