Good terminal will not make you a 10x developer…but you may feel like one. TL;DRI would show following things in this article: How to install iterm ...

题号 题目链接 讲解链接 Status 389 Find the Difference 视频讲解 Done 136 Single Number 视频讲解 Done 318 Maximum Product of Word Lengths 视频讲解 很少考 393 ...

Note on Seven Language in Seven weeksThe basic rules I learned (or realized)It is known to me that if you have learnt a programming language, you woul ...

Leetcode 31题面 Next Permutation Medium Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of nu ...

Leetcode 91题面 Decode Ways Medium A message containing letters from A-Z is being encoded to numbers using the following mapping: 1234'A' -&g ...

p与np这是一个算法上的一个经典的概念，在看状态压缩dp的时候看到了，之前学算法的时候并没有太深入研究所以这边仔细看了看然后记录了一下概念。 p问题即能用DTM(deterministic Turing Machine)在多项式时间内解决的问题 NP问题即能用NDTM（non-determinist ...

leetcode 945题面945.Minimum Increment to Make Array Unique Medium Given an array of integers A, a move consists of choosing any A[i], and incrementing i ...

leeetcode 1017题解不得不说这是一道初见杀的题目……因为你会下意识去想组合求解。 但是这个题目的核心思路（也是唯一思路）还是采用进制转换，只不过需要加一点特殊处理 核心思路：使用传统进制转换将十进制数变为带-1，0，1的进制位数，然后将-1，0，1的串变为0，1的串 这个思路第一眼看肯定 ...