#include <iostream>
#include <fstream>
#include <vector>
using namespace std;

void usage(char * prog);
void similarityMatrix(vector<char> & s, vector<char> & t);
bool readFile(char * fileName, vector<char> & v);

void usage(char * prog)
{
    cout << "Usage: " << prog << " <file1> <file2>" << endl;
    exit(42);
}

int main(int argc, char * argv[])
{
    vector<char> file1, file2;

    if (argc < 3)
        usage(argv[0]);

    readFile(argv[1], file1);
    readFile(argv[2], file2);

    similarityMatrix(file1, file2);
}

bool readFile(char * fileName, vector<char> & v)
{
    ifstream in(fileName);
    if (!in.is_open())
        return false;
    while (!in.eof())
    {
        char chr;
        in >> chr;
        cout << "Read char 0x" << hex << (int) chr << ", '" << chr << "'" << endl;
        v.push_back(chr);
    }
    return true;
}

void similarityMatrix(vector<char> & s, vector<char> & t)
{
}