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#include <dirent.h>
#include <sys/stat.h>
#include <sys/types.h>
/****************************************************
* º¯Êý¹¦ÄÜ: ÅжϲÎÊý·¾¶ÊÇ·ñΪ(ÕýÈ·µÄ)Ŀ¼
* º¯Êý·µ»Ø: 0Ϊ±íʾ·¾¶ÎªÎļþ,1Ϊ·ÇĿ¼.ÆäËûΪ´íÎó
*    ²ÎÊý: pathÎļþÐèÒªÅжϵÄĿ¼µÄ·¾¶.
*          ¿ÉÒÔΪÏà¶Ô·¾¶.
*
*****************************************************/
int isDir(const char *path)
{
        struct stat info;
        if ( 0 != stat(path,&info) )
        {
                return -2;
        }
        if( info.st_mode & S_IFDIR )
        {
                return 0;
        }
        else
        {
                return 1;
        }
}


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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication32
{
class Program
{

static int s = 0;
static void Main(string[] args)
{
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int func(x)
{
int countx = 0;
while(x)
{
countx ++;
x = x&(x-1);
}
return countx;
}
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