摘要：
Crazy Search Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 27336 Accepted: 7641 Description Many people like to solve hard puzzles some o 阅读全文
摘要：
Ping pong Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2985 Accepted: 1104 Description N(3<=N<=20000) ping pong players live along a wes 阅读全文
摘要：
Cows Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 16693 Accepted: 5583 Description Farmer John's cows have discovered that the clover gr 阅读全文