聪明人的游戏提高篇第二章综合练习：hex

#include 
#include  
#include 
#include 
using namespace std;
string a,b,s="",k[20]={"0000","1000","0100","1100","0010","1010","0110","1110","0001","1001","0101","1101","0011","1011","0111","1111"};
string t="0123456789ABCDEF";
int i,j,len;
bool n=0;
int main()
{
	cin >>a;
	for (i=a.size()-1;i>=0;i--)
		s+=k[t.find(a[i])];
	len=s.size();
	if (len%3==1)
	{
		len+=2;
		s+="00";
	}
	else if (len%3==2)
	{
		len+=1;
		s+="0"; 
	}
	for (i=0;i=0;i--)
	{
		if (b[i]!=48)
		{
			n=1;
			cout < 
					
										


					

						
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原文地址: http://outofmemory.cn/zaji/4653728.html