bug睡的略爽

摘要： Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 click to show spoilers. Have you thought about this? Here a 阅读全文

摘要： Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a canal: Pan 阅读全文

摘要： Determine whether an integer is a palindrome. Do this without extra space. click to show spoilers. Some hints: Could negative integers be palindromes? 阅读全文

摘要： There are N gas stations along a circular route, where the amount of gas at station i is gas[i]. You have a car with an unlimited gas tank and it cost 阅读全文

摘要： Given an input string, reverse the string word by word. For example,Given s = "the sky is blue",return "blue is sky the". click to show clarification. 阅读全文

摘要： Maximum Subarray Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array 阅读全文