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  1. #include <cstdio>
  2. using namespace std;
  3.  
  4. double solve(int N, int scores[]) {
  5. 	int sum = 0;
  6. 	for (int i = 0; i < N; ++i) {
  7. 		sum += scores[i];
  8. 	}
  9. 	double avg = (double)sum / N;
  10.  
  11. 	int students = 0;
  12. 	for (int i = 0; i < N; ++i) {
  13. 		if (avg < scores[i]) students++;
  14. 	}
  15. 	return 100. * students / N;
  16. }
  17.  
  18. int main() {
  19. 	int C, N;
  20. 	int scores[1000] = {0};
  21.  
  22. 	scanf("%d", &C);
  23. 	for (int i = 0; i < C; ++i) {
  24. 		scanf("%d", &N);
  25. 		for (int j = 0; j < N; ++j) {
  26. 			scanf("%d", &scores[j]);
  27. 		}
  28. 		printf("%.3f%%\n", solve(N, scores));
  29. 	}
  30.  
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
copy 
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/Qq8TCo
language:
C++ 4.3.2 (gcc-4.3.2)
created:
5 years ago
visibility:
public

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