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  1. #include <stdio.h>
  2.  
  3. //構造体Body
  4. struct Body {
  5.     int id;      
  6.     int weight;  
  7.     int height;  
  8. };
  9.  
  10. //swap関数 2つのBody構造体の内容を入れ替える
  11. void swap(struct Body *x, struct Body *y) {
  12.     struct Body temp;   
  13. 	 temp = *x;          
  14.     *x = *y;            
  15.     *y = temp;         
  16. }
  17.  
  18. int main(void) {
  19.     int i, j;  
  20.  
  21.     //構造体配列aの初期化
  22.     struct Body a[5] = {
  23.         {1, 65, 169},
  24.         {2, 73, 170},
  25.         {3, 59, 161},
  26.         {4, 79, 175},
  27.         {5, 55, 168}
  28.     };
  29.  
  30.     //身長を逆順にする a[i]の身長がa[j]より低い場合,swap関数で入れ替える
  31.     for (i = 0; i < 4; i++) {
  32.         for (j = i + 1; j < 5; j++) {
  33.             if (a[i].height < a[j].height) {swap(&a[i], &a[j]);
  34.             }}}
  35.  
  36.     for (i = 0; i < 5; i++) {
  37.         printf("%d. %d. %d\n", a[i].id, a[i].weight, a[i].height);
  38.     }
  39.  
  40.     return 0;
  41. }
  42.  
Success #stdin #stdout 0.01s 5288KB
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stdin
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Standard input is empty
stdout
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4. 79. 175
2. 73. 170
1. 65. 169
5. 55. 168
3. 59. 161
https://ideone.com/m7zPfl
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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