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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: case 3: case 5: case 7: case 8: case 10:
  8.     	printf("31日");
  9.     	break;
  10.     	case 4:case 6: case 9: case 11:
  11.     	printf("30日");
  12.     	break;
  13.     	case 2:
  14.     	printf("28日");
  15.     	break;
  16.     } 
  17.     return 0;
  18. }
Success #stdin #stdout 0s 5316KB
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１以上１２以下の整数を入力してください：
30日
https://ideone.com/i2lfbx
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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