LeetCode 231. Power of Two
bool isPowerOfTwo(int n)
{
if (n == 1)
return true;
int temp=n;
while (temp>1)
{
if (temp % 2 == 0)
{
if (temp / 2 == 1)
{
return true;
}
else
{
temp /=2;
}
}
else
{
return false;
}
}
return false;
}
原文地址:http://blog.csdn.net/pvzhtb/article/details/78196450