摘要： Fat brother and Maze are playing a kind of special (hentai) game on an N*M board (N rows, M columns). At the beginning, each grid of this board is con 阅读全文

摘要： Quicksum Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16488 Accepted: 11453 Description A checksum is an algorithm that scans a packet o 阅读全文

摘要： Avoid The Lakes Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8173 Accepted: 4270 Description Farmer John's farm was flooded in the most 阅读全文

摘要： Central heating Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 614 Accepted: 286 Description Winter has come, but at the Ural State Univer 阅读全文

摘要： Shuffle'm Up Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10003 Accepted: 4631 Description A common pastime for poker players at a poker 阅读全文

摘要： Find The Multiple Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 28550 Accepted: 11828 Special Judge Description Given a positive integer 阅读全文

摘要： K-th Number Time Limit: 20000MS Memory Limit: 65536K Total Submissions: 51732 Accepted: 17722 Case Time Limit: 2000MS Description You are working for 阅读全文

摘要： Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 43132 Accepted: 13257 Description The police office in Tadu City deci 阅读全文

摘要： 食物链 Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 66294 Accepted: 19539 Description 动物王国中有三类动物A,B,C，这三类动物的食物链构成了有趣的环形。A吃B， B吃C，C吃A。 现有N个动 阅读全文

摘要： Wireless Network Time Limit: 10000MS Memory Limit: 65536K Total Submissions: 25022 Accepted: 10399 Description An earthquake takes place in Southeast 阅读全文