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 (*func[])(void) = {state_init,state_load,state_execute,state_exit};
    for(int i =0; i<start;i++){
        void (*tempf)(void) = func[0];
        for(int k = 0;k<3;k++)
        func[k] = func[k+1];
        func[3] = tempf;
    }
    func[0]();
    func[1]();
    func[2]();
}

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