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"); }

// Your logic here
void run_state_sequence(int start) {
    // Implement using function pointer array
    void(*arr[4])()={state_init,state_load,state_execute,state_exit};
    int count=3;
    int i=0;
    while(count){
        arr[(start+i)%4]();
        i++;        
        count--;
    }
}

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