// PATn.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
using namespace std;
int main()
{
unsigned m, n, s;
cin >> m >> n >> s;
vector<string> data;
for (unsigned i = 0; i < m; ++i)
{
string tmp;
cin >> tmp;
data.push_back(tmp);
}
vector<string> luck;
for (unsigned i = s - 1; i < m; )
{
if(find(luck.begin(),luck.end(),data[i])==luck.end())
{
luck.push_back(data[i]);
i = i + n;
}
else
{
i = i + 1;
}
}
if (luck.size() == 0)
{
cout << "Keep going...";
}
else
{
for (size_t i = 0; i < luck.size(); ++i)
{
cout << luck.at(i);
if (i != (luck.size() - 1))
cout << endl;
}
}
system("pause");
return 0;
}
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