Codeforces Round 407 (Div. 2) · AC 题库

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Codeforces

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Codeforces Round 407 (Div. 2)

2017/03/30 00:05120 分钟789

AAnastasia and pebblesAnastasia and pebbles

BMasha and geometric depressionMasha and geometric depression

CFunctions againFunctions again

DWeird journeyWeird journey

EThe Great MixingThe Great Mixing