fork download 
  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. typedef struct {
  5.     int id;
  6.     int height;
  7.     int weight;
  8. } Body;
  9.  
  10. int main(void) {
  11.     Body data[5]={
  12.         {1,165,60},
  13.         {2,170,60},
  14.         {3,160,50},
  15.         {4,180,75},
  16.         {5,175,80}
  17.     };
  18.     int n=sizeof(data)/sizeof(data[0]);
  19.  
  20.     for(int i=0;i<n-1;i++){
  21.         for(int j=0;j<n-1-i;j++){
  22.             if(data[j].height>data[j+1].height){
  23.                 Body tmp = data[j];
  24.                 data[j]=data[j+1];
  25.                 data[j+1]=tmp;
  26.             }
  27.         }
  28.     }
  29.     printf("ID   height(cm)   weight(kg)\n");
  30.     for(int i=0; i<n;i++){
  31.         printf("%2d %11d %13d\n",data[i].id,data[i].height,data[i].weight);
  32.     }
  33.     double sum = 0.0;
  34.     for(int i=n-3;i<n;i++){
  35.         sum+=data[i].height;
  36.     }
  37.     double ave=sum/3.0;
  38.  
  39.     double sum_sq=0.0;
  40.     for(int i=n-3;i<n;i++){
  41.         double diff=data[i].height-ave;
  42.         sum_sq+=diff*diff;
  43.     }
  44.     double std=sqrt(sum_sq/3.0);
  45.  
  46.     printf("\n上位3名の身長平均:%.1f cm\n",ave);
  47.     printf("上位3名の身長標準偏差:%.1f cm\n",std);
  48.  
  49.     return 0;
  50. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
ID   height(cm)   weight(kg)
 3         160            50
 1         165            60
 2         170            60
 5         175            80
 4         180            75

上位3名の身長平均:175.0 cm
上位3名の身長標準偏差:4.1 cm
https://ideone.com/cSNhYv
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!