Codeforces Round 411 (Div. 1) · AC 题库

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Codeforces

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Codeforces Round 411 (Div. 1)

2017/05/04 22:50120 分钟804

AFind AmirFind Amir

BMinimum number of stepsMinimum number of steps

CIce cream coloringIce cream coloring

DExpected diameter of a treeExpected diameter of a tree

EThe same permutationThe same permutation

FFake bullionsFake bullions