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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5. 	int re;
  6. 	int sum = 0;
  7. 	int con = 0;
  8.  
  9. 	do {
  10. 		int a;
  11.  
  12. 		printf("正数を入力せよ：\n");
  13. 		scanf("%d", &a);
  14.  
  15. 		sum += a;
  16. 		con++;
  17.  
  18. 		printf("まだやる？　《やる・・・０　　やらん・・・１》\n");
  19. 		scanf("%d", &re);
  20. 	} while (re == 0);
  21.  
  22. 	printf("合計は%dで、平均は%.2fです。", sum, (double)sum / con);
  23.  
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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22
68
stdout
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正数を入力せよ：
まだやる？　《やる・・・０　　やらん・・・１》
合計は22で、平均は22.00です。
https://ideone.com/EJA0zp
language:
C++ (gcc 8.3)
created:
10 hours ago
visibility:
public

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