Codeforces Round #412 (Div. 2)

連接： http://codeforces.com/contest/807ios A 題意：太水了，按着題目要求寫就行，分好狀況。web #include <iostream> #include <algorithm> #include <cstring> #include <cmath> #include <cstdio> #include "stdio.h" #include <stdio.h

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