BASIC CALCULATOR

• Problem Description

  
  Write a program to simulate a basic calculator. [+,-,*,/,%]. Use switch statement.
  
  Input Format:
  
  The first line of the input consists of an integer which corresponds to a. The second line of the input consists of a character which corresponds to the operator. The third line of the input consists of an integer which corresponds to b.
  
  Output format:
  
  Output consists of a single line [a op b]. Refer to sample output for details.
  
  

• CODING ARENA::

• #include <stdio.h>

  int main()

  {

    int a, b;

    char c;

    scanf("%d %c %d",&a,&c,&b); 

    switch (c)

      {

      case '+':

    printf("Answer=%d",a+b); 

    break; 

      case '-':

    printf("Answer=%d",a-b); 

    break; 

    case '*':

    printf("Answer=%d",a*b); 

    break; 

    case '/':

    printf("Answer=%d",a/b); 

    break; 

    }

  return 0;

  }

• Test Case 1

  
  Input (stdin)

  3+5
  
  

  Expected Output

  Answer=8

• Test Case 2

  
  Input (stdin)

  12-6
  
  

  Expected Output

  Answer=6