开始的地方

Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M <= 200) matrix. There are WALLs, ROADs, and GUARDs in the prison. Angel’s friends want t...

Many of us had played the game “Battle city” in our childhood, and some people (like me) even often play it on computer now. What we are discussing is a simple edition of this game. Given a map that...

农夫知道一头牛的位置，想要抓住它。农夫和牛都于数轴上 ，农夫起始位于点 N(0<=N<=100000) ，牛位于点 K(0<=K<=100000) 。农夫有两种移动方式： 1、从 X移动到 X-1或X+1 ，每次移动花费一分钟 2、从 X移动到 2*X ，每次移动花费一分钟 假设牛没有意识到农夫的行动，站在原地不。最少要花多少时间才能抓住牛？ Input 一行: 以空格...

A robot has been programmed to follow the instructions in its path. Instructions for the next direction the robot is to move are laid down in a grid. The possible instructions are N north (up the pa...