Menu Driven Calculator

Problem Statement

Input Format

An operator character (+, -, *, /) followed by two numbers A and B.

Output Format

Print the calculation result.

Constraints

-10000 <= A, B <= 10000

Sample Input

+ 10 20

Sample Output

30

Explanation

Performs addition using a modular function.

Starter Code

#include <stdio.h>

// Define calculator functions here

int main() {
    char op;
    int a, b;
    if (scanf("%c %d %d", &op, &a, &b) == 3) {
        // Handle menu options
    }
    return 0;
}

Limits

• Time Limit: 1s
• Memory Limit: 256MB