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  1. #include <stdio.h>
  2.  
  3. void zwieksz(int *x){
  4. *x = *x+1;
  5. }
  6.  
  7. int main(void) {
  8. int x = 3;
  9. zwieksz(&x);
  10. printf("%d",x);
  11. return 0;
  12. }
  13.  
Success #stdin #stdout 0s 10304KB
stdin
Standard input is empty
stdout
4