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
摘要：
The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of 阅读全文
摘要：
There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he c 阅读全文