bzoj 3389: [Usaco2004 Dec]Cleaning Shifts安排值班 — 贪心
3389: [Usaco2004 Dec]Cleaning Shifts安排值班 Time Limit: 1 Sec Memory Limit: 128 MB Description &...
贪心
bzoj 1704: [Usaco2007 Mar]Face The Right Way 自动转身机 — 贪心
1704: [Usaco2007 Mar]Face The Right Way 自动转身机 Time Limit: 5 Sec Memory Limit: 64 MB Description 农夫约翰有N(1≤N≤50...
bzoj 3399: [Usaco2009 Mar]Sand Castle城堡
3399: [Usaco2009 Mar]Sand Castle城堡 Time Limit: 3 Sec Memory Limit: 128 MB Description 约翰用沙子建了一座城堡．正如所有城堡的城墙，这城墙也有许多枪眼，两...
bzoj 1689: [Usaco2005 Open] Muddy roads 泥泞的路
1689: [Usaco2005 Open] Muddy roads 泥泞的路 Time Limit: 5 Sec Memory Limit: 64 MB Description Farmer John has a prob...
衫小寨 出品