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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. }
  14.  
  15. //https://pt.stackoverflow.com/q/45723/101
Success #stdin #stdout 0s 15232KB
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stdin
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Standard input is empty
stdout
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10
20
10
https://ideone.com/jdU2xb
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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