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"); }

typedef void (*state_fptr_t)();

state_fptr_t system_states[4] = {
    state_init,
    state_load,
    state_execute,
    state_exit
};

// Your logic here
void run_state_sequence(int start) {
    for (int i = 0; i < 3; ++i) {
        system_states[(start + i) % 4]();
        printf("\n"); // <!> \r\n doesn't match expected output
    }

}

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