摘要：
Pass a year learning in Hangzhou, yifenfei arrival hometown Ningbo at finally. Leave Ningbo one year, yifenfei have many people to meet. Especially a 阅读全文
摘要：
A common pastime for poker players at a poker table is to shuffle stacks of chips. Shuffling chips is performed by starting with two stacks of poker c 阅读全文
摘要：
一天Extense在森林里探险的时候不小心走入了一个迷宫，迷宫可以看成是由n * n的格点组成，每个格点只有2种状态，.和#，前者表示可以通行后者表示不能通行。同时当Extense处在某个格点时，他只能移动到东南西北(或者说上下左右)四个方向之一的相邻格点上，Extense想要从点A走到点B，问在不 阅读全文
摘要：
Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representation contains only the digits 0 and 1. You m 阅读全文