ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2140 P3101  [USACO14JAN] Ski Course Rating G 0 / 0 5
2141 P3102  [USACO14FEB] Secret Code S 0 / 0 5
2142 P3103  [USACO14FEB] Airplane Boarding G 0 / 0 6
2143 P3104  [USACO14MAR] Counting Friends G 0 / 0 5
2144 P3105  [USACO14OPEN] Fair Photography S 0 / 0 5
2145 P3106  [USACO14OPEN] Dueling GPSs S 0 / 0 5
2146 P3107  [USACO14OPEN] Odometer S 0 / 0 5
2147 P3108  [USACO14OPEN] Cow Optics G 0 / 0 6
2148 P3109  [USACO14OPEN] Code Breaking G 0 / 0 5
2149 P3110  [USACO14DEC] Piggy Back S 0 / 0 5
2150 P3111  [USACO14DEC] Cow Jog S 0 / 0 3
2151 P3112  [USACO14DEC] Guard Mark G 0 / 0 5
2152 P3113  [USACO14DEC] Marathon G 0 / 0 5
2153 P3114  [USACO15JAN] Stampede S 0 / 0 5
2154 P3115  [USACO15JAN] Cow Routing S 0 / 0 5
2155 P3116  [USACO15JAN] Meeting Time S 0 / 0 5
2156 P3117  [USACO15JAN] Cow Rectangles G 0 / 0 6
2157 P3118  [USACO15JAN] Moovie Mooving G 0 / 0 5
2158 P3119  [USACO15JAN] Grass Cownoisseur G 0 / 0 6
2159 P3120  [USACO15FEB] Cow Hopscotch G 0 / 0 5

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