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

    // Ensure valid "start"
    start %= 4;
    for (int i = 0; i < 3; i++) {
        state_handlers[start]();
        printf("\n");
        start = (start + 1) % 4;
    }
}

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