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  1. #include <stdio.h>
  2.  
  3. #define makro(S, t) scanf(t, &S);
  4.  
  5. int main(void) {
  6. // your code goes here
  7.  
  8. int a = 0;
  9. printf("%d\n", a);
  10.  
  11. makro("%d", a);
  12.  
  13. printf("%d\n", a);
  14.  
  15. return 0;
  16. }
  17.  
Success #stdin #stdout 0s 2248KB
stdin
6
stdout
0
0