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 (*fp[4])()={state_init,state_load,state_execute,state_exit};

for (int i = 0; i < 3; i++)
{
        int index = (start + i) % 4;  // Wrap around with modulo
        fp[index] ();
        if(i < 2)
        {
            printf("\n");

}
}
}

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

Solving Approach

 

 

 

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