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  1. #include <stdio.h>
  2.  
  3. void swap(int *a, int *b);
  4. void sort(int *x, int *y);
  5.  
  6. int main(void) {
  7. 	int x, y; 
  8.  
  9. 	x = 20;
  10. 	y = 10;
  11.  
  12. 	printf("並べ替え前: x = %d, y = %d\n", x, y);
  13.  
  14. 	sort(&x, &y);
  15.  
  16. 	printf("並べ替え後: x = %d, y = %d\n", x, y);
  17.  
  18. 	return 0;
  19. }
  20. void swap(int *a, int *b) { 
  21. 	int t = *a; 
  22. 	*a = *b; 
  23. 	*b = t;
  24. }	
  25. void sort(int *x, int *y) { 
  26. 	if (*x < *y) { 
  27. 	swap(x, y); 
  28.  
  29. 	}
  30. }
Success #stdin #stdout 0.01s 5268KB
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Standard input is empty
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並べ替え前: x = 20, y = 10
並べ替え後: x = 20, y = 10
https://ideone.com/3CWr7H
language:
C99 (gcc 8.3)
created:
7 days ago
visibility:
public

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