219. Contains Duplicate II-存在重复元素 II
Given an array of integers and an integer k, find out w... » 阅读全文
Given an array of integers and an integer k, find out w... » 阅读全文
Given an array of integers, find if the array contains ... » 阅读全文
Given two strings s and t, determine if they are isomor... » 阅读全文
Count the number of prime numbers less than a non-negat... » 阅读全文
Remove all elements from a linked list of integers that... » 阅读全文
Write an algorithm to determine if a number n is happy.... » 阅读全文
You are a professional robber planning to rob houses al... » 阅读全文
Write a function that takes an unsigned integer and ret... » 阅读全文
Reverse bits of a given 32 bits unsigned integer. Note:... » 阅读全文
Given an integer n, return the number of trailing zeroe... » 阅读全文