Codeforces Beta Round 70 (Div. 2) · AC 题库

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Codeforces

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Codeforces Beta Round 70 (Div. 2)

2011/04/27 23:00120 分钟78

BEaster EggsEaster Eggs

CBeaver GameBeaver Game

DArcher's ShotArcher's Shot

EEvacuationEvacuation