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  1. #include <stdio.h>
  2.  
  3. void swap(char *a,char *b)
  4. {
  5.     *a=*a+*b;
  6.     *b=*a-*b;
  7.     *a=*a-*b;
  8. }
  9.  
  10. int main(void)
  11. {
  12. 	char a = 'a', b = 'b';
  13. 	printf("Original:\t%c%c\n", a, b);
  14. 	swap(&a, &b);
  15. 	printf("Swapped:\t%c%c\n", a, b);
  16.  
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0s 2008KB
comments ()
stdin
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Standard input is empty
stdout
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Original:	ab
Swapped:	ba
https://ideone.com/K3Z1Tc
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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