sc.c

#include <stdio.h>

int main()

{
    char ch;
    int num1 , num2;
    printf ("Choose the operator (+,-,*,/, %%):");
    scanf ("%c", &ch);

    printf ("Enter any two numbers");
    scanf ("%d%d", &num1,  &num2);
    switch (ch)
    {
        case '+':
        printf ("%d+%d=\t %d\n", num1, num2, num1+ num2);
        break;
        case '-':
        printf ("%d-%d= \t%d\n", num1, num2, num1-num2);
        break;
         case '*':
         printf ("%d*%d= \t&d\n", num1 , num2, num1*num2);
         break;
         case '/':
         printf ("%d/%d= \t %d\n", num1, num2, num1/num2);
         break;
         case '%':
         printf ("%d%%d= /t %d/n", num1 , num2 , num1 %num2);
         break;
         default:
         printf ("Error!nInvalid operator");

         }

}