57. State Machine Using Function Pointers

#include <stdio.h>

#define NUM_STATES 4

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 (*state_functions[NUM_STATES])(void) = {
    state_init,
    state_load,
    state_execute,
    state_exit
   };

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

}

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