1class Solution {2 public:3 bool isUgly(int n) {4 if (n <= 0) return false;5 int n1 = 0;6 while (n != n1) {7 n1 = n;8 if ((n % 2) == 0) n /= 2;9 if ((n % 3) == 0) n /= 3;10 if ((n % 5) == 0) n /= 5;11 }12 if (n < 7) return true;13 return false;14 }15};
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