打印二进制位

/****************************** 
作者：cncoderalex 
博客：http://blog.youkuaiyun.com/cncoderalex 
*******************************/

#include<iostream>

using namespace std;

template <typename T>
void PrintBinary(T value)
{
	int BytesCount = sizeof(T);
	unsigned long long Bit = 1;

	string str;
	for (int i = 0; i < BytesCount * 8; i++)
	{
		if (value & Bit)
		{
			str.append("1");
		}
		else
		{
			str.append("0");
		}

		Bit <<= 1;
	}

	int len = str.length();
	for (int i = len - 1; i >= 0; i--)
	{
		printf("%c", str[i]);
	}

	printf("\n");
}

int main()
{
	printf("http://blog.youkuaiyun.com/cncoderalex");
	printf("\n");

	int a = -1;
	unsigned char b = a;
	int c = b;

	char d = a;
	int e = b;

	short f = a;
	int g = b;

	PrintBinary(a);
	PrintBinary(b);
	PrintBinary(c);

	PrintBinary(d);
	PrintBinary(e);

	PrintBinary(f);
	PrintBinary(g);

	system("pause");

	return 0;
}