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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int num1, num2, mode;
  5.  
  6.  
  7.     scanf("%d %d %d", &num1, &num2, &mode);
  8.  
  9.     switch(mode) { 
  10.         case 1:
  11.             printf("%d + %d = %d\n", num1, num2, num1 + num2);
  12.             break;
  13.  
  14.         case 2:
  15.             printf("%d - %d = %d\n", num1, num2, num1 - num2);
  16.             break;
  17.  
  18.         case 3:
  19.             printf("%d * %d = %d\n", num1, num2, num1 * num2);
  20.             break;
  21.  
  22.         case 4:
  23.  
  24.             if (num1 % num2 == 0) {
  25.  
  26.                 printf("%d / %d = %d\n", num1, num2, num1 / num2);
  27.             } else {
  28.  
  29.                 printf("%d / %d = %d 余り %d\n", num1, num2, num1 / num2, num1 % num2);
  30.             }
  31.             break;
  32.     }
  33.  
  34.     return 0;
  35. }
Success #stdin #stdout 0s 5288KB
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https://ideone.com/o9Y1AR
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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