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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void foo(const int& val){
  5. return;
  6. }
  7.  
  8. int main() {
  9. foo(4);
  10. return 0;
  11. }
Success #stdin #stdout 0s 3456KB
stdin
Standard input is empty
stdout
Standard output is empty