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
    //1. Create function pointer array
    void (*state_fct_ptr_arr[4])() = {state_init,state_load,state_execute,state_exit};
    //2. Run sequence from start -> 3 times (loop if necessary)
    for (int i=0;i<3;i++){
        //How to ensure it goes from 0,1,2,3,0 (%4?)
        int n = (start + i) % 4; //Wrap around states from starting index
        state_fct_ptr_arr[n]();
        printf("\n");
    }
}

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