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  1. //動態配置結構陣列，
  2. //先輸入人數，再依序輸入n個人的姓名、身高、體重
  3. //輸出身高及體重平均
  4. //輸出身高或體重任一項低於平均的人姓名
  5.  
  6. #include <stdio.h>
  7. #include <stdlib.h>
  8.  
  9. struct student{
  10.         char name[21]; 
  11.         int height, weight;
  12.         };
  13.  
  14. int main(){
  15.         int i, n, z, u;
  16.         double t = 10000.00;
  17.         double s = 10000.00;
  18.         double sum_height, sum_weight, Height_avg, Weight_avg;
  19.         sum_height = 0;
  20.         sum_weight = 0;
  21.  
  22.         printf("請輸入人數: \n"); 
  23.         scanf("%d", &n);
  24.  
  25.         struct student *a = (struct student *)malloc(sizeof(struct student)*n);
  26.  
  27.         for (i = 0; i < n; i++){
  28.             printf("請輸入姓名:\n");
  29.             scanf("%s",a[i].name);
  30.             printf("請輸入身高:\n");
  31.             scanf("%d",&a[i].height);
  32.             printf("請輸入體重:\n");
  33.             scanf("%d",&a[i].weight);
  34.     }
  35.  
  36.         for (i = 0; i < n; i++){
  37.         sum_height += a[i].height;
  38.         sum_weight += a[i].weight;
  39.         }
  40.  
  41.         Height_avg = sum_height / n;
  42.         Weight_avg = sum_weight / n;
  43.  
  44.         printf("H_avg: %.2lf\n", Height_avg);
  45.         printf("W_avg: %.2lf\n", Weight_avg);
  46.  
  47.         for (i = 0; i < n; i++){
  48.                 if(a[i].height < t){
  49.                     t = a[i].height;
  50.                     z = i;
  51.                 }
  52.                 if(a[i].weight < s){
  53.                     s = a[i].weight;
  54.                     u = i;
  55.                 }
  56.         }
  57.  
  58.         if (a[i].height < Height_avg || a[i].weight < Weight_avg){
  59.             printf("%s", a[z].name);
  60.             printf("%s", a[u].name);
  61.         }
  62.  
  63.         free(a);
  64.         system("pause");
  65.         return 0;
  66. }
Runtime error #stdin #stdout 0.01s 2704KB
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https://ideone.com/LVyMKx
language:
C (gcc 8.3)
created:
13 years ago
visibility:
public

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