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  1. #include <stdio.h>
  2.  
  3. void swap(int*x, int*y){
  4.     int tmp = *y;
  5.     *y = *x;
  6.     *x = tmp;
  7. }
  8.  
  9. int main() {
  10.     int x = 100;
  11.     int y = 200;
  12.  
  13.     swap(&x, &y);
  14.     printf("x=%d, y=%d\n", x,y);
  15.     return 0;
  16. }
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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x=200, y=100
https://ideone.com/iXEbiL
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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