水题，LA我居然没找到在那里。
#include <cstdio>
#include <cstring>
#include <string>
#include <cmath>
#include <ctime>
#include <cstdlib>
#include <iostream>
using namespace std;
#define LL long long
LL dp[],bin[];
int que[],s;
void judge(int x)
{
s = ;
while(x)
{
que[s++] = x%;
x /= ;
}
}
int main()
{
int i;
LL temp,n,x;
temp = ;
bin[] = ;
for(i = ;i <= ;i ++)
bin[i] = *bin[i-];
for(i = ;i <= ;i ++)
{
if(i% == )
{
dp[i] = temp*;
temp *= ;
}
else
{
dp[i] = dp[i-];
}
}
while(cin>>n&&n)
{
for(i = ;i <= ;i ++)
{
if(n > dp[i])
n -= dp[i];
else
{
if(i == )
cout<<n<<endl;
else if(i == )
cout<<n<<n<<endl;
else if(i% == )
{
x = bin[i/] + n - ;
cout<<x;
judge(x);
for(i = ;i < s;i ++)
cout<<que[i];
cout<<endl;
}
else
{
x = bin[i/-] + n - ;
cout<<x;
judge(x);
for(i = ;i < s;i ++)
cout<<que[i];
cout<<endl;
}
break;
}
}
}
return ;
}