#include <iostream>
#include <string>
#include <map>
#include <vector>

using namespace std;

struct ltstr
{
  bool operator()(const char* s1, const char* s2) const
  {
    return strcmp(s1, s2) < 0;
  }
};

int main( )
{
    map<const char*, int, ltstr> alphabet;

    alphabet["A"] = 0;
    alphabet["C"] = 1;
    alphabet["G"] = 2;
    alphabet["T"] = 3;

    string seed_word = "TTAA";

    vector<vector<double> > pwm;
    for( int i = 0; i < seed_word.length(); i++ )
    {
        cout << seed_word[i] << alphabet[& seed_word[i]] << "\t";
    }
    cout << endl;

    return 0;
}