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  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[]={
  12. 				{1,165,60},
  13. 				{2,170,68},
  14. 				{3,160,50},
  15. 				{4,180,75},
  16. 				{5,175,80}
  17. 	};
  18.  
  19. 	body temp[]={{0,0,0}};
  20.  
  21. 	int i,j;
  22.  
  23. 	for(i=0;i<5;i++){
  24. 		for(j=i+1;j<5;j++){
  25. 			if(data[i].height>data[j].height){
  26. 				temp[0]=data[i];
  27. 				data[i]=data[j];
  28. 				data[j]=temp[0];
  29. 			}
  30. 		}
  31. 	}
  32.  
  33. 	for(i=0;i<5;i++){
  34. 		printf("%d\n",data[i].height);
  35. 	}
  36.  
  37. 	int sum=0;
  38. 	double ave,std=0;
  39. 		for(i=0;i<3;i++){
  40. 		sum=sum+data[i].height;
  41. 	}
  42.  
  43. 	ave=(double)sum/3.0;
  44.  
  45. 	for(i=0;i<3;i++){
  46. 		std=( ( data[i].height - ave ) * ( data[i].height - ave ) ) + std;
  47. 	}
  48. 	std=sqrt(std/3.0);
  49.  
  50. 	printf("ave=%.1f\nstd=%.1f",ave,std);
  51. 	return 0;
  52. }
  53.  
Success #stdin #stdout 0s 5312KB
comments (?)
stdin
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Standard input is empty
stdout
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160
165
170
175
180
ave=165.0
std=4.1
https://ideone.com/sckUZI
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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