56. Function Pointer Dispatch Table

#include <stdio.h>

int add(int a, int b) 
{ return a + b; }
int sub(int a, int b) 
{ return a - b; }
int mul(int a, int b) 
{ return a * b; }
int divide(int a, int b) 
{ return a / b; }

int execute_command(int a, int b, int cmd) 
{
    int (*arr_func[])(int ,int) ={add,sub,mul,divide};
    return arr_func[cmd](a,b);
}

int main() {
    int a, b, cmd;
    scanf("%d %d %d", &a, &b, &cmd);

    int result = execute_command(a, b, cmd);
    printf("%d", result);

    return 0;
}

Solving Approach