Time Limit: 30 Sec Memory Limit: 128 MB Submit: 1460 Solved: 908 [Submit][Status][Discuss] Description 公元 20…
BZOJ1602: [Usaco2008 Oct]牧场行走
Time Limit: 5 Sec Memory Limit: 64 MB Submit: 1997 Solved: 1048 [Submit][Status][Discuss] Description N头牛（2&…
Time Limit: 30 Sec Memory Limit: 128 MB Submit: 1460 Solved: 908 [Submit][Status][Discuss] Description 公元 20…
Time Limit: 5 Sec Memory Limit: 64 MB Submit: 1997 Solved: 1048 [Submit][Status][Discuss] Description N头牛（2&…