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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. typedef struct
  5. {
  6. 	int id;
  7. 	double height;
  8. 	double weight;
  9. }Body;
  10.  
  11.  
  12. int main(void) {
  13.  
  14. 	int i,j;
  15. 	double sum=0.0,ave,std;
  16.  
  17. 	Body data[]={
  18. 		{1,165,60},
  19. 		{2,170,68},
  20. 		{3,160,50},
  21. 		{4,180,75},
  22. 		{5,175,80},
  23. 	};
  24.  
  25. 	for(i=0;i<4;i++)
  26. 	{
  27. 		for(j=0;j<4-i;j++)
  28. 		{
  29. 			if(data[j].height>data[j+1].height)
  30. 			{
  31. 				Body temp=data[j];
  32. 				data[j]=data[j+1];
  33. 				data[j+1]=temp;
  34. 			}
  35. 		}
  36. 	}
  37. 	for(i=2;i<5;i++)
  38. 	{
  39. 		sum+=data[i].height;
  40. 	}
  41. 	ave=sum/3.0;
  42.  
  43. 	double goukei=0.0;
  44. 	for(i=2;i<5;i++)
  45. 	{
  46. 		goukei+=(ave-data[i].height)*(ave-data[i].height);
  47. 	}
  48. 	std=sqrt(goukei/3.0);
  49.  
  50. 	for (int i=0;i<5;i++) 
  51. 	{
  52.     	printf("ID:%d 身長:%.1f 体重:%.1f\n",data[i].id, data[i].height, data[i].weight);
  53. 	}
  54.  
  55. 	printf("平均：%.1f\n",ave);
  56. 	printf("標準偏差：%.1f",std);
  57.  
  58. 	return 0;
  59. }
Success #stdin #stdout 0s 5316KB
comments (?)
stdin 
Standard input is empty
stdout 
ID:3 身長:160.0 体重:50.0
ID:1 身長:165.0 体重:60.0
ID:2 身長:170.0 体重:68.0
ID:5 身長:175.0 体重:80.0
ID:4 身長:180.0 体重:75.0
平均：175.0
標準偏差：4.1
https://ideone.com/w94g0U
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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