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  1. #include <stdio.h>
  2. #define MAX 100
  3. int seiseki[MAX];
  4. int size = 0;
  5. int record(int a){
  6.     seiseki[size] = a;
  7.     size++;
  8.     return 0;}
  9. double average(){
  10.     int i, sum = 0;
  11.     double average;
  12.     for(i = 0; i < size; i++){
  13.         sum += seiseki[i];}
  14.     average = (double)sum / size;
  15.     return average;}
  16. double cond_average(int a,int b){
  17. 	int sum=0,t,count=0;
  18. 	double average;
  19. 	for(t=0; t<size; t++){
  20. 	if(a<=seiseki[t]&&seiseki[t]<=b)
  21. 	{sum=sum+seiseki[t];
  22. 	count++;}}
  23. 	if(count==0){
  24. 	return 0.0;}
  25. 	average=(double)sum/count;
  26. 	return average;}
  27. int main(){
  28.     int score, num, i;
  29.     scanf("%d", &num);
  30.     printf("num=%d\n", num);
  31.     for(i = 0; i < num; i++){
  32.         scanf("%d", &score);
  33.         printf("score=%d\n", score);
  34.         record(score);}
  35.     printf("Ave=%lf\n", average());
  36. 	printf("main関数の中では,60点以上100点以下の学生の平均点は%lf\n",cond_average(60,100));
  37.     return 0;
  38. }
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
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4 24 67 58 36
stdout
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num=4
score=24
score=67
score=58
score=36
Ave=46.250000
main関数の中では,60点以上100点以下の学生の平均点は67.000000
https://ideone.com/Q8DpAS
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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