摘要：The Enterprise is surrounded by Klingons! Find the escape route that has the quickest exit time, and print that time. Input is a rectangular grid; eac 阅读全文

摘要：There is a strange lift.The lift can stop can at every floor as you want, and there is a number Ki(0 <= Ki <= N) on every floor.The lift have just two 阅读全文

摘要：ACM小组的Samsara和Staginner对中国象棋特别感兴趣，尤其对马（可能是因为这个棋子的走法比较多吧）的使用进行深入研究。今天他们又在 构思一个古怪的棋局:假如Samsara只有一个马了，而Staginner又只剩下一个将，两个棋子都在棋盘的一边，马不能出这一半棋盘的范围，另外这 一半棋盘 阅读全文

摘要：Recently, Mike was very busy with studying for exams and contests. Now he is going to chill a bit by doing some sight seeing in the city. City consist 阅读全文

摘要：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 阅读全文