#include "stdafx.h"

#include <windows.h>

void countone2(int N)

{

int a = N;

int count = 0;

int b ;

for (int i=0;i<32;i++)

{

b = (a>>i)&0x01;

printf("%d ",b);

if (1 == b)

{

count ++;

}

}

printf("\n二进制总共同拥有%d个‘1’\n",count);

}

void gethorl()

{

unsigned int test = 255;

unsigned int test_h = (test>>16)&0xffff;

unsigned int test_l = test&0xffff; 

printf("%u %u\n",test_l,test_h);

}

void low_high()

{

int a = 250;

byte low8a = (a<<8)>>8;//低8位

byte high8a = a>>8;//高8位

printf("%u %u\n",low8a,high8a);

}

int _tmain(int argc, _TCHAR* argv[])

{

countone2(255);

gethorl();

low_high();

system("pause");

return 0;

}