240 发简信
IP属地:山东
  • ReverseInteger

    这道题要注意的点主要为:1、 一开始还考虑为负数设个flag,先把负数变成正数,计算之后再变回去。实际没有必要,JAVA里面对负数取模还是负数,...

  • Longest Substring Without Repeating Characters

    题目 Given a string, find the length of the longest substring without repe...

  • Add Two Numbers

    题目描述 You are given two linked lists representing two non-negative number...

  • TwoSum

    题目描述: Given an array of integers, return indices of the two numbers such...