これはwww QT @kinaba ひどいww RT よく見たら問題全部がどうしてこうなった http://acm.zju.edu.cn/onlinejudge/showContestProblems.do?contestId=313 (via @gusmachine)
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これはwww QT @kinaba ひどいww RT よく見たら問題全部がどうしてこうなった http://acm.zju.edu.cn/onlinejudge/showContestProblems.do?contestId=313 (via @gusmachine)