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  1.     #include <iostream>
  2.     using namespace std;
  3.     int getNumber(bool &check) {
  4.         check = !check;
  5.         return check ? 10 : 20;
  6.     }
  7.  
  8.     int main() {
  9.         bool numero = false;
  10.         cout << getNumber(numero) << endl;
  11.         cout << getNumber(numero) << endl;
  12.         cout << getNumber(numero) << endl;
  13.     }
Success #stdin #stdout 0s 3296KB
comments (?)
stdin 
Standard input is empty
stdout 
10
20
10
https://ideone.com/pdccR7
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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