2171.cpp

杭电 acm部分代码 有兴趣的可以下载 谢谢

#include <iostream>
#include <algorithm>
#include <string>
using namespace std;
string name[22], *t;
string start, input;
int main()
{
    int test, i, len, st, n;
    scanf("%d", &test);
    while (test--)
    {
        i = 0;
        while (cin >> input)
        {
            t = find(name, name + i, input);
            if (t == name + i)
            {
                name[i++] = input;
            }
            else
            {
                len = i;
                start = input;
                break;
            }
        }
        for (i = 0; i < len; i++)
        {
            if (name[i] == start)
            {
                st = i;
                break;
            }
        }
        cin >> n;
        cout << name[(n + i - 1) % len] << endl;
    }
    return 0;
}