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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int a, b;
  5.     char op;
  6.  
  7.     printf("Enter two numbers:\n ");
  8.     scanf("%d %d", &a, &b);
  9.  
  10.     printf("Enter operator (+, -, *, /, %%): \n ");
  11.     scanf(" %c", &op);  
  12.  
  13.     switch(op) {
  14.         case '+': printf("Result = %d\n", a + b); break;
  15.         case '-': printf("Result = %d\n", a - b); break;
  16.         case '*': printf("Result = %d\n", a * b); break;
  17.         case '/': 
  18.             if (b != 0) 
  19.                 printf("Result = %d\n", a / b);
  20.             else 
  21.                 printf("Error! Division by zero.\n");
  22.             break;
  23.         case '%': 
  24.             if (b != 0) 
  25.                 printf("Result = %d\n", a % b);
  26.             else 
  27.                 printf("Error! Modulus by zero.\n");
  28.             break;
  29.         default: printf("Invalid operator!\n");
  30.     }
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
3 6  *
stdout 
Enter two numbers:
 Enter operator (+, -, *, /, %): 
 Result = 18
https://ideone.com/NIEvyw
operators
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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