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  1. #include <stdio.h>
  2.  
  3. int main(){
  4. 	int C, N, i, j, k, count;
  5. 	double avg=0, ratio=0, sum;
  6. 	double grade[1000];
  7.  
  8. 	scanf("%d", &C);
  9. 	for(i=0;i<C;i++){
  10. 		sum=0;
  11. 		count=0;
  12. 		scanf("%d", &N);
  13. 		for(j=0;j<N;j++){
  14. 			scanf("%lf", &grade[j]);
  15. 			sum+=grade[j];
  16. 		}
  17. 		avg=(double)sum/N;
  18. 		for(k=0;k<N;k++){
  19. 			if(grade[k]>avg)
  20. 				count++;
  21. 		}
  22. 		ratio=(double)count/N*100;
  23. 		printf("%0.3lf%%",ratio);
  24.  
  25. 	}
  26. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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5
5 50 50 70 80 100
7 100 95 90 80 70 60 50
3 70 90 80
3 70 90 81
9 100 99 98 97 96 95 94 93 91
stdout
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40.000%57.143%33.333%66.667%55.556%
https://ideone.com/MyXmds
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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