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) {
    void (*ptr[4])() = {state_init,state_load,state_execute,state_exit};
    int i = 0;
    for(i;i < 3;i++){
        ptr[start]();
        printf("\n");
        start = (start + 1)%4;
    }
}

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