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  1. #include<stdio.h>
  2.  
  3. int main(void) {
  4.      int a, b, op;
  5.  
  6.     scanf("%d %d %d", &a, &b, &op);
  7.  
  8.     switch (op) {
  9.         case 1:
  10.             printf("%d + %d = %d\n", a, b, a + b);
  11.             break;
  12.         case 2:
  13.             printf("%d - %d = %d\n", a, b, a - b);
  14.             break;
  15.         case 3:
  16.             printf("%d * %d = %d\n", a, b, a * b);
  17.             break;
  18.         case 4:
  19.             printf("%d / %d = %d\n", a, b, a / b);
  20.             break;
  21.         default:
  22.             printf("無効な演算です\n");
  23.             break;
  24.     }  
  25.  return 0;
  26.  }
Success #stdin #stdout 0s 5292KB
comments (?)
stdin
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12 3 3
stdout
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12 * 3 = 36
https://ideone.com/ceO01V
language:
C (gcc 8.3)
created:
19 hours ago
visibility:
public

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