Recursive solution is faster than iterative solution

  • 3

    Recursive solution in c++ is faster

    bool isUgly(int num) {

        if(num<1)return false;
        if(num==1) return true;
        if(num%2==0) return isUgly(num/2);
        else if(num%3==0) return isUgly(num/3);
        else if(num%5==0) return isUgly(num/5);
        else return false;


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