M-SOLUTIONS Programming Contest

　　A：簽到。我wa了一發怎麼辦啊。html #include<bits/stdc++.h> using namespace std; #define ll long long #define inf 1000000010 char getc(){char c=getchar();while ((c<'A'||c>'Z')&&(c<'a'||c>'z')&&(c<'0'||c>'9')) c=ge

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