a-hooks.cpp

#include <string>
#include <set>
#include <list>
#include <fstream>
#include <iostream>

using namespace std;

int main() {
  set<string> sevens;
  list<string> eights;
  ifstream input("/home/john/scrabble/twl.txt");

  string word;
  while (getline(input, word)) {
    int length = word.length();
    if (length == 7)
      sevens.insert(word);
    else if ((length == 8) && (word[0] == 'A'))
      eights.push_back(word);
  }

  list<string>::iterator i;
  for (i = eights.begin(); i != eights.end(); i++)
    if (sevens.count((*i).substr(1)))
      cout << *i << endl;
}