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  1. #include <stdio.h>
  2. int score_list[100]; 
  3. int size = 0; 
  4. void record(int score){
  5. 	score_list[size]=score;
  6. 	size++;
  7.  
  8. }
  9. double average(){
  10. 	int i,sum=0;
  11. 	for(i=0;i<size;i++)
  12. 	{
  13. 		sum+=score_list[i];
  14. 	}
  15.   return (double)sum/size;
  16. }
  17. int main(void){
  18.   int i, score;
  19.   for(i=0;i<5;i++){
  20.     scanf("%d", &score);
  21.     printf("%d人目：%d点\n", i+1, score);
  22.     record(score);
  23.   }
  24.   printf("平均点：%lf点\n", average());
  25.   return 0;
  26. }
  27.  
  28.  
Success #stdin #stdout 0s 5212KB
comments (?)
stdin
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80
70
90
60
100
stdout
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1人目：80点
2人目：70点
3人目：90点
4人目：60点
5人目：100点
平均点：80.000000点
https://ideone.com/kBIt8H
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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