Arithmetic operations such as addition, subtraction, multiplication, and division C program

• First, we declare two integer variables num1 and num2 to store the two numbers to be operated upon.
• Then, we declare a float variable result to store the result of the arithmetic operation.
• Next, we declare a character variable operator to store the arithmetic operator to be used.
• We then use the printf function to prompt the user to enter two numbers and an operator.
• The scanf function is used to read the input values for the two numbers and the operator.
• Next, we use a switch statement to perform the arithmetic operation based on the value of the operator variable.
• In each case of the switch statement, we perform the respective arithmetic operation and print the result using the printf function.
• If the value of the operator variable is not one of the four arithmetic operators (+, -, *, /), the default case is executed and an error message is displayed.
• Finally, the return statement is used to return a value of 0 to indicate that the program has run successfully.

#include <stdio.h>

int main()
{
  int num1, num2;
  float result;
  char operator;

  printf("Enter two numbers: ");
  scanf("%d %d", &num1, &num2);

  printf("Enter an operator (+, -, *, /): ");
  scanf(" %c", &operator);

  switch(operator)
  {
    case '+':
      result = num1 + num2;
      printf("%.2f\n", result);
      break;

    case '-':
      result = num1 - num2;
      printf("%.2f\n", result);
      break;

    case '*':
      result = num1 * num2;
      printf("%.2f\n", result);
      break;

    case '/':
      result = (float) num1 / num2;
      printf("%.2f\n", result);
      break;

    default:
      printf("Invalid operator\n");
      break;
  }

  return 0;
}

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