水題一枚。

題目大意：按照題目要求將所給單詞轉化為複數形式。

#include <iostream>
#include <map>
#include <cstring>

using namespace std;

int main()
{
    map<string, string>M;
    map<char, int>S;
    int l,n;
    S['a'] = 1, S['e'] = 1;
    S['i'] = 1, S['o'] = 1, S['u'] = 1;
    string s[102];
    string a, b;
    while (cin >> l >> n)
    {
          M.clear();
          while (l--)
          {
                cin >> a >> b;
                M[a] = b;
          }
          for (int i = 0;i < n;i++)
          {
                cin >> s[i];
                if (M.find(s[i]) != M.end()) s[i] = M[s[i]];
                else
                {
                    int len = s[i].length();
                    switch (s[i][len - 1])
                    {
                       case 'y': if (len > 1 && (S.find(s[i][len - 2])) == S.end()) s[i][len - 1] = 'i', s[i] += "es";
                                 else s[i] += "s";break;
                       case 'o':
                       case 's':
                       case 'x':s[i] += "es";break;
                       case 'h': if (len > 1 && (s[i][len - 2] == 'c' || s[i][len - 2] == 's'))
                                    s[i] += "es";
                                 else s[i] += "s";break;
                       default:s[i] += "s";break;
                    }
                }
          }
          for (int i = 0;i < n;i++) cout << s[i] << endl;
    }
    return 0;
}