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  1. #include <stdio.h>
  2.  
  3.  
  4. void swap(int *a, int *b) {
  5.     int temp = *a; 
  6.     *a = *b;       
  7.     *b = temp;    
  8. }
  9.  
  10.  
  11. void sort(int *x, int *y) {
  12.  
  13.     if (*x < *y) {
  14.         swap(x, y); 
  15.     }
  16. }
  17.  
  18. int main(void) {
  19.  
  20.     int x ;
  21.     int y ;
  22.     scanf("%d", &x);
  23.     scanf("%d", &y);
  24.  
  25.     printf("実行前の値\n");
  26.     printf("x = %d, y = %d\n", x, y);
  27.  
  28.  
  29.     sort(&x, &y);
  30.  
  31.     printf("\nsort関数実行後の値 (降順)\n");
  32.     printf("x = %d, y = %d\n", x, y);
  33.  
  34.  
  35.  
  36.  
  37.     return 0;
  38. }
Success #stdin #stdout 0.01s 5312KB
comments (?)
stdin
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23
61
stdout
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実行前の値
x = 23, y = 61

sort関数実行後の値 (降順)
x = 61, y = 23
https://ideone.com/Ez1AmT
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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