57. State Machine Using Function Pointers

#include <stdio.h>

void state_init()    { printf("Init"); }
void state_load()    { printf("Load"); }
void state_execute() { printf("Execute"); }
void state_exit()    { printf("Exit"); }

// Your logic here
void run_state_sequence(int start) {
    // Implement using function pointer array
    void (*func_arr[4])();
    func_arr[0]=state_init;
    func_arr[1]=state_load;
    func_arr[2]=state_execute;
    func_arr[3]=state_exit;

    for(int i=0; i<3;i++){
        func_arr[(start+i)%4]();
        printf("\n");
    }
}

int main() {
    int start;
    scanf("%d", &start);
    run_state_sequence(start);
    return 0;
}