TRACYlegolas

摘要： Given two strings a and b of equal length, what's the longest string (s) that can be constructed such that it is a child of both? A string x is said t 阅读全文

摘要： Some viruses replicate by replacing a piece of DNA in a living cell with a piece of DNA that the virus carries with it. This makes the cell start to p 阅读全文

摘要： 题目： After years of success with a single-button mouse, a well known computer company has decided to offer a similarly simplified interface for the key 阅读全文

摘要： 题目： Change one letter of the name. Add a letter to the end of the name. Input Output Output the number of changes they need to make. Limits The length 阅读全文

摘要： 题目： The gaming company Sandstorm is developing an online two player game. You have been asked to implement the ranking system. All players have a rank 阅读全文

摘要： 这道题的话，我拿到题是有点懵圈的，如果要我自己判断的话，我也要自己在纸上建立坐标轴然后一一将点标出，后用肉眼判断。这个用代码实现嘛…… 后来就只能参考大神们的算法啦。 判断方法： 向量a=(x1,y1),b=(x2,y2)； 向量的叉积a×b=x1*y2-x2*y1; 当a×b>0时，b在a的逆时针 阅读全文

摘要： 题目： The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one card out of t 阅读全文