ID 题目 显示标签 隐藏标签 AC / 尝试 难度
781 P1828   [USACO3.2] 香甜的黄油 Sweet Butter 0 / 0 3
795 P1842   [USACO05NOV] 奶牛玩杂技 0 / 0 3
801 P1848   [USACO12OPEN] Bookshelf G 0 / 0 6
802 P1849   [USACO12MAR] Tractor S 0 / 0 4
808 P1856   [IOI 1998 ] [USACO5.5] 矩形周长Picture 0 / 0 4
831 P1879   [USACO06NOV] Corn Fields G 0 / 0 5
836 P1884   [USACO12FEB] Overplanting S 0 / 0 4
845 P1894   [USACO4.2] 完美的牛栏The Perfect Stall 0 / 0 4
878 P1930   [USACO3.3] 亚瑟王的宫殿 0 / 0 5
885 P1937   [USACO10MAR] Barn Allocation G 0 / 0 5
886 P1938   [USACO09NOV] Job Hunt S 0 / 0 3
895 P1948   [USACO08JAN] Telephone Lines S 0 / 0 5
931 P1985   [USACO07OPEN] 翻转棋 Fliptile S 0 / 0 5
961 P2017   [USACO09DEC] Dizzy Cows G 0 / 0 4
977 P2035   [USACO08JAN] iCow B 0 / 0 2
1003 P2061   [USACO07OPEN] City Horizon S 0 / 0 5
1011 P2070   刷墙 0 / 0 4
1034 P2098   [USACO16DEC] Team Building P 0 / 0 4
1073 P2115   [USACO14MAR] Sabotage G 0 / 0 5
1108 P2176   [USACO11DEC] RoadBlock S / [USACO14FEB] Roadblock G/S 0 / 0 4