can someone please help for me to change this function to iterative?

int recursive(int n)
    int total = 0;
        return recursive(n-1) + 2*recursive(n-2) + 2*recursive(n-3);
    else if(n>=2)
        return  total + recursive(n-1) + 2*recursive(n-2);
        return  total+1;

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Good to hear. Please remember to mark this solved thanks.

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or at least a step in the right direction

Nevermind. I solved it.

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