ID 题目 显示标签 隐藏标签 AC / 尝试 难度
9329 P9939   [USACO21OPEN] Acowdemia III B 0 / 0 5
9330 P9940   [USACO21JAN] Uddered but not Herd B 0 / 0 1
9331 P9941   [USACO21JAN] Even More Odd Photos B 0 / 0 3
9332 P9942   [USACO21JAN] Just Stalling B 0 / 0 3
9333 P9943   [USACO21FEB] Year of the Cow B 0 / 0 3
9334 P9944   [USACO21FEB] Comfortable Cows B 0 / 0 3
9335 P9945   [USACO21FEB] Clockwise Fence B 0 / 0 3
9336 P9946   [USACO20JAN] Word Processor B 0 / 0 1
9337 P9947   [USACO20JAN] Photoshoot B 0 / 0 3
9338 P9948   [USACO20JAN] Race B 0 / 0 5
9352 P9949   [USACO20FEB] Triangles B 0 / 0 3
9353 P9950   [USACO20FEB] Mad Scientist B 0 / 0 1
9354 P9951   [USACO20FEB] Swapity Swap B 0 / 0 5
9355 P9952   [USACO20OPEN] Social Distancing I B 0 / 0 5
9356 P9953   [USACO20OPEN] Social Distancing II B 0 / 0 3
9357 P9954   [USACO20OPEN] Cowntact Tracing B 0 / 0 5
9358 P9955   [USACO20DEC] Do You Know Your ABCs? B 0 / 0 1
9359 P9956   [USACO20DEC] Daisy Chains B 0 / 0 3
9360 P9957   [USACO20DEC] Stuck in a Rut B 0 / 0 5
9361 P9958   [USACO19JAN] Shell Game B 0 / 0 3

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