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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main() {
  6.     string s;
  7.     cin >> s;
  8.  
  9.     string res = "";
  10.  
  11.     for (char c : string("UAPC")) {
  12.         if (s.find(c) == string::npos) {
  13.             res += c;
  14.         }
  15.     }
  16.  
  17.     cout << res << '\n';
  18.  
  19.     return 0;
  20. }
Success #stdin #stdout 0.01s 5268KB
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UC
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AP
https://ideone.com/HARiHi
language:
C++ (gcc 8.3)
created:
4 hours ago
visibility:
public

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