Heart_Blue

(#11109)
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30 days 103
Overall solved 2015
Overall attempted 2118
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476 7 Public codeforces上的一个题单(简化版) 2018-10-30 23:24:55.0
557 5 Public codeforces上的一个题单(原版改) 2018-10-30 20:28:46.0