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  1. #include <stdio.h>
  2.  
  3. /* 構造体の定義 */
  4. typedef struct {
  5.     int id;
  6.     int weight;
  7.     int height;
  8. } Body;
  9.  
  10. /* swap関数（構造体用） */
  11. void swap(Body *a, Body *b) {
  12.     Body temp = *a;
  13.     *a = *b;
  14.     *b = temp;
  15. }
  16.  
  17. int main(void) {
  18.     /* 構造体配列の初期化 */
  19.     Body data[5] = {
  20.         {1, 65, 169},
  21.         {2, 73, 170},
  22.         {3, 59, 161},
  23.         {4, 79, 175},
  24.         {5, 55, 168}
  25.     };
  26.  
  27.     int i, j;
  28.  
  29.     /* 身長の降順で並び替え */
  30.     for (i = 0; i < 5 - 1; i++) {
  31.         for (j = i + 1; j < 5; j++) {
  32.             if (data[i].height < data[j].height) {
  33.                 swap(&data[i], &data[j]);
  34.             }
  35.         }
  36.     }
  37.  
  38.     /* 結果の出力 */
  39.     for (i = 0; i < 5; i++) {
  40.         printf("%d, %d, %d\n",
  41.                data[i].id,
  42.                data[i].weight,
  43.                data[i].height);
  44.     }
  45.  
  46.     return 0;
  47. }
  48.  
Success #stdin #stdout 0s 5312KB
comments (?)
stdin 
Standard input is empty
stdout 
4, 79, 175
2, 73, 170
1, 65, 169
5, 55, 168
3, 59, 161
https://ideone.com/jVuWyE
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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