Leet Code 263. Ugly Number
class Solution {
public:
bool isUgly(int num) {
if(num<=0)
return false;
while(num!=1)
{
if(num%2==0)
{
num/=2;
continue;
}
else if(num%3==0)
{
num/=3;
continue;
}
else if(num%5==0)
{
num/=5;
continue;
}
return false;
}
return true;
}
};