摘要:
Fence Repair Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 77001 Accepted: 25185 Description Farmer John wants to repair a small length o 阅读全文
摘要:
Expedition Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 30702 Accepted: 8457 Description A group of cows grabbed a truck and ventured on 阅读全文