57. State Machine Using Function Pointers

#include <stdio.h>

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

typedef void (*stateFunc)();
stateFunc arr[4] = {state_init, state_load, state_execute, state_exit};

// Your logic here
void run_state_sequence(int start) {
    // Implement using function pointer array
    int counter = 0;
    for(int i = start; i < start + 3 && i < 4; i++) {
        arr[i]();
        counter++;
    }
    for(int i = 0; i < 3 - counter; i++) arr[i]();
}

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