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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ためのswap関数
  10. void swap(Body *a, Body *b) {
  11.     Body temp = *a;
  12.     *a = *b;
  13.     *b = temp;
  14. }
  15.  
  16. // 身長を基準に降順ソート
  17. void sortByHeightDescending(Body arr[], int size) {
  18.     for (int i = 0; i < size - 1; i++) {
  19.         for (int j = 0; j < size - i - 1; j++) {
  20.             if (arr[j].height < arr[j + 1].height) {
  21.                 swap(&arr[j], &arr[j + 1]);
  22.             }
  23.         }
  24.     }
  25. }
  26.  
  27. int main() {
  28.     // データの初期化
  29.     Body bodies[] = {
  30.         {1, 65, 169},
  31.         {2, 73, 170},
  32.         {3, 59, 161},
  33.         {4, 79, 175},
  34.         {5, 55, 168}
  35.     };
  36.     int size = sizeof(bodies) / sizeof(bodies[0]);
  37.  
  38.     // 身長を基準に降順にソート
  39.     sortByHeightDescending(bodies, size);
  40.  
  41.     // 結果を出力
  42.     for (int i = 0; i < size; i++) {
  43.         printf("%d, %d, %d\n", bodies[i].id, bodies[i].weight, bodies[i].height);
  44.     }
  45.  
  46.     return 0;
  47. }
  48.  
Success #stdin #stdout 0s 5252KB
comments (?)
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/D6YxaF
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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