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  1. #include <stdio.h>
  2.  
  3. typedef struct {
  4.     int id;
  5.     int weight;
  6.     int height;
  7. } Body;
  8.  
  9. // データを入れ替えるswap関数
  10. void swap(Body *a, Body *b) {
  11.     Body temp = *a;
  12.     *a = *b;
  13.     *b = temp;
  14. }
  15.  
  16. int main() {
  17.     // 初期データ
  18.     Body a[] = {
  19.         {1, 65, 169},
  20.         {2, 73, 170},
  21.         {3, 59, 161},
  22.         {4, 79, 175},
  23.         {5, 55, 168}
  24.     };
  25.     int n = sizeof(a) / sizeof(a[0]);
  26.  
  27.     // 身長の降順で並べ替え（バブルソートを使用）
  28.     for (int i = 0; i < n - 1; i++) {
  29.         for (int j = 0; j < n - 1 - i; j++) {
  30.             if (a[j].height < a[j + 1].height) {
  31.                 swap(&a[j], &a[j + 1]);
  32.             }
  33.         }
  34.     }
  35.  
  36.     // 結果を出力
  37.     printf("ID, Weight, Height\n");
  38.     for (int i = 0; i < n; i++) {
  39.         printf("%d, %d, %d\n", a[i].id, a[i].weight, a[i].height);
  40.     }
  41.  
  42.     return 0;
  43. }
  44.  
Success #stdin #stdout 0s 5280KB
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stdin
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Standard input is empty
stdout
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ID, Weight, Height
4, 79, 175
2, 73, 170
1, 65, 169
5, 55, 168
3, 59, 161
https://ideone.com/5ZCpao
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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