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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #define N 10
  4.  
  5. float average(float a[], int n) {
  6.     float sum;
  7. 	int i;
  8.  
  9. 	sum = 0.0f;
  10. 	for (i = 0; i < n; i++) {
  11. 		sum += a[i];
  12. 	}
  13.  
  14. 	return sum / n;
  15. }
  16.  
  17. float maximum(float a[], int n) {
  18. 	float max;
  19. 	int i;
  20.  
  21. 	max = a[0];
  22. 	for (i = 1; i < n; i++) {
  23. 		if (max < a[i]) {
  24. 			max = a[i];
  25. 		}
  26. 	}
  27.  
  28. 	return max;
  29. }
  30.  
  31. void bubblesort(float a[], int n) {
  32. 	int i;
  33. 	int j;
  34. 	float t;
  35.  
  36. 	for (i = n - 1; 0 < i; i--) {
  37. 		for (j = 0; j < i; j++) {
  38. 			if (a[j] > a[j + 1]) {
  39. 				t = a[j];
  40. 				a[j] = a[j + 1];
  41. 				a[j + 1] = t;
  42. 			}
  43. 		}
  44. 	}
  45. }
  46.  
  47. int main(void) {
  48. 	int i;
  49. 	float a[N];
  50. 	float avr;
  51. 	float max;
  52.  
  53. 	for (i = 0; i < N; i++) {
  54. 		a[i] = rand() / (RAND_MAX + 1.0f);
  55. 	}
  56.  
  57. 	avr = average(a, N);
  58. 	max = maximum(a, N);
  59. 	bubblesort(a, N);
  60.  
  61. 	for (i = 0; i < N; i++) {
  62. 		printf("%f\n", a[i]);
  63. 	}
  64. 	printf("平均値は%fです\n", avr);
  65. 	printf("最大値は%fです\n", max);
  66.  
  67. 	return EXIT_SUCCESS;
  68. }
  69.  
Success #stdin #stdout 0.01s 1720KB
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stdin
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Standard input is empty
stdout
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0.197551
0.277775
0.335223
0.394383
0.553970
0.768230
0.783099
0.798440
0.840188
0.911647
平均値は0.586051です
最大値は0.911647です
https://ideone.com/CHwJGn
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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