luofabo1987的专栏

最近在研究leetcode上的算法，厌倦了天天修修补补的工作，准备换个环境开始新的码农生活。既然要换个环境，那就要有所准备，算法是必须的，所以没事儿刷刷leetcode，学习下别人的编程思维，加快编程的速度，避免常见的BUG。记录的过程也是学习和加深理解的过程，以防以后不时之需方便查阅。废话不多说，直接上题。1.原文的题目是：Given an arraynumsofninteg...

问题：Given an array of integers, returnindicesof the two numbers such that they add up to a specific target.You may assume that each input would haveexactlyone solution, and you may not use the...

1.题目的原意:Given two non-negative integersnum1andnum2represented as strings, return the product ofnum1andnum2, also represented as a string.note:Youmust not use any built-in BigInteger library...