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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     int n;
  6.  
  7.     printf("整数を入力しろ:");
  8.     // %d を "" で囲み、n に & をつける
  9.     scanf("%d", &n);
  10.  
  11.     // / (商) ではなく % (余り) を使う
  12.     switch (n % 15)
  13.     {
  14.         case 0: // case の直後に値を書く
  15.             printf("Fizz Buzz\n");
  16.             break;
  17.  
  18.         case 3:
  19.         case 6:
  20.         case 9:
  21.         case 12:
  22.             printf("Fizz\n"); // 3の倍数は Fizz
  23.             break;
  24.  
  25.         case 5:
  26.         case 10:
  27.             printf("Buzz\n"); // 5の倍数は Buzz
  28.             break;
  29.  
  30.         default:
  31.             // &d ではなく %d
  32.             printf("%d\n", n);
  33.             break;
  34.     }
  35.  
  36.     return 0; // } の中に入れる
  37. }
  38.  
Success #stdin #stdout 0s 5272KB
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整数を入力しろ:Fizz
https://ideone.com/DzMR7n
language:
C (gcc 8.3)
created:
10 hours ago
visibility:
public

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