LN : leetcode 231 Power of Two

lc 231 Power of Two

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231 Power of Two

Given an integer, write a function to determine if it is a power of two.

analysation##

Easy problem.

solution

bool isPowerOfTwo(int n) {
  if (n <= 0)
  return false;
  while (n%2 == 0)
  n = n>>1;
  return (n == 1);
}