Codeforces Round #598 (Div. 3)
傳送門 A. Payment Without Change 簽到。 Code B. Minimize the Permutation 題意： 給出一個\(1\)~\(n\)的 ...
原文：Codeforces Round #598 (Div. 3) F. Equalizing Two Strings 構造
F. Equalizing Two Strings You are given two strings s and t both of length n and both consisting of lowercase Latin letters. In one move, you can choose any length len from to n and perform the follow ...
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