Codeforces Beta Round 85 (Div. 2 Only) · AC 题库

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Codeforces

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Codeforces Beta Round 85 (Div. 2 Only)

2011/09/03 20:00120 分钟112

APetya and StringsPetya and Strings

BPetya and SquarePetya and Square

CPetya and InequiationsPetya and Inequiations

DPetya and DivisorsPetya and Divisors

EPetya and SpidersPetya and Spiders