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  1. #include <cstdio>   //corrected
  2.  
  3.  
  4. int x=1, y=3, z=7;
  5.  
  6. void duplicate (int a, int b, int c)
  7. {
  8.   a=a*2;
  9.   b=b*2;
  10.   c=c*2;
  11. }
  12.  
  13. int main ()
  14. {
  15.  
  16.   duplicate (x, y, z);
  17.   printf("The answer is %i and %i and %i",x,y,z);
  18.  
  19.   return 0;
  20. }
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
The answer is 1 and 3 and 7
https://ideone.com/pmDqh6
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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