摘要:
Expedition Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 25813 Accepted: 7160 Description A group of cows grabbed a truck and ventured on 阅读全文
摘要:
Fence Repair Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 67497 Accepted: 22206 Description Farmer John wants to repair a small length o 阅读全文