57. State Machine Using Function Pointers

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Code

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

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

Solving Approach

 

 

 

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