1005, 1010, 1003, 1009, 1007, 1004 (写到T7了不会T3的组合数学,我无敌了…
赛后vp，碰到\(C\)想半天没想出来，直接昏了（x
KEYENCE Programming Contest 2024（AtCoder Beginner Conte…
AtCoder Beginner Contest 350 \(solved: A B C D E F G\)
脑电波场(对于 A 到 D, 因为 fvv xkm 不会 E).
J. 2D Travel
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