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  1. #include <stdio.h> 
  2. int main() {
  3. 	int a; 
  4.     printf("１以上１２以下の整数を入力してください：\n");
  5.     scanf("%d",&a); 
  6.     switch(a) { 
  7.     case 1:
  8. 	case 3:
  9. 	case 5:
  10. 	case 7:
  11. 	case 8:
  12. 	case10:
  13. 	case 12:
  14. 	printf("31日まで");
  15. 	break;
  16. 	case 4:
  17. 	case 6:
  18. 	case 9:
  19. 	case 11:
  20. 	printf("30日まで");
  21. 	break;
  22. 	case 2:
  23. 	if(a==2)
  24. 	printf("28日または29日まで");
  25. 	break;
  26.     } 
  27.     return 0;
  28. } 
  29.  
Success #stdin #stdout 0s 5320KB
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１以上１２以下の整数を入力してください：
28日または29日まで
https://ideone.com/rT3nlU
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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