OJ-Problems-Source/HDOJ/2031.cpp

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2017-03-07 16:41:06 +08:00
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <stack>
#include <algorithm>
#include <sstream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
/// This Contest and Compile does not support C++11.
//#include <thread>
//#include <mutex>
//#include <condition_variable>
//#include <functional>
using namespace std;
const char* lab="0123456789ABCDEF";
int main()
{
int n,r;
while(cin>>n)
{
cin>>r;
bool isE=false;
if(n<0){isE=true;n=abs(n);}
stack<char> s;
while(1)
{
int b=n%r;
s.push(lab[b]);
n/=r;
if(n<r)
{
s.push(lab[n]);
break;
}
}
if(isE) cout<<"-";
while(!s.empty())
{
cout<<s.top();
s.pop();
}
cout<<endl;
}
return 0;
}