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  1. #include <stdio.h>
  2.  
  3. void interchange (int * u, int * v);
  4. int main(void) {
  5. 	int x = 5, y = 10;
  6.  
  7. 	printf("x = %d and y = %d.\n", x, y);
  8. 	interchange(&x, &y);
  9. 	printf("now x = %d and y= %d.\n", x, y);
  10. 	return 0;
  11. }
  12.  
  13. void interchange(int * u, int *v)
  14. {
  15. 	int temp;
  16. 	temp = *u;
  17. 	*u = *v;
  18. 	*v = temp;
  19. }
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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x = 5 and y = 10.
now x = 10 and y= 5.
https://ideone.com/Qh2acD
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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