Codeforces Round #631 (Div. 2) - Thanks, Denis aramis Shitov!題解

寫在前面： 只過了2題，但願之後能真真實實過多一點！！！c++ A. Dreamoon and Ranking Collection time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Dreamoon is a big fan of the

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