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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,...
题目 Given a string, find the length of the longest substring without repe...
题目描述 You are given two linked lists representing two non-negative number...
题目描述: Given an array of integers, return indices of the two numbers such...