LeetCode 231

Power of Two

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

 /*************************************************************************
     > File Name: LeetCode231.c
     > Author: Juntaran
     > Mail: [e-mail]
     > Created Time: 2016年05月10日 星期二 02时55分46秒
  ************************************************************************/

 /*************************************************************************

     Power of Two

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

  ************************************************************************/

 #include "stdio.h"

 int isPowerOfTwo(int n) {
     int temp = (n> && !(n&(n-)));
     return temp;
 }

 int main()
 {
     int n = ;
     int ret = isPowerOfTwo(n);
     printf("%d\n",ret);

     n = ;
     ret = isPowerOfTwo(n);
     printf("%d\n",ret);

     return ;
 }