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Codeforces
5 题 · 0 已翻译
Codeforces Beta Round 50
2011/01/11 16:15120 分钟54
Codeforces
APresentsPresents
1300
仅原文
BCutting Jigsaw PuzzleCutting Jigsaw Puzzle
1800
仅原文
CFirst Digit LawFirst Digit Law
2000
仅原文
DWriting a SongWriting a Song
2100
仅原文
EVacuum СleanerVacuum Сleaner
2700
仅原文