AtCoder Beginner Contest 166 Solution

目錄 A A A B B B C C C D D D E E E F F F A A A 簽到題html int main() { string s;cin>>s; if(s=="ABC")puts("ARC"); else puts("ABC"); return 0; } B B B int n,m,ans,a[N]; int main() { qr(n);qr(m); for(

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