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  1. #include<fstream>
  2. int main(){
  3.     std::ifstream fin("INPUT.TXT");
  4.     std::ofstream fout("OUTPUT.TXT");
  5.     if (fin.is_open()){
  6.         int a, b;
  7.         fin >> a, b;
  8.         fout << (b-1) << " " << (a-1);
  9.     }
  10.     fin.close();
  11.     fout.close();
  12.     return 0;
  13. }
Success #stdin #stdout 0.01s 5344KB
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Standard output is empty
https://ideone.com/3xM81P
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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