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

int clean(int i, int j, int max) {
  int z = 0;
  ifstream in("corrupted.png.bz2", ios::in | ios::binary);
  ofstream out("foo.png.bz2", ios::out | ios::binary);
  char p, n;
  in.read(&p,1);
  while (in.read(&n,1)) {
    if (n != '\n' || p != '\r') {
      out.write(&p,1);
    }
    else {
      if (z == i || z == j) out.write(&p,1);
      z++;
    }
    p = n;
  }
  out.write(&p,1);
  out.close();
  system("bunzip2 foo.png.bz2");
  system("rm foo.png.bz2");
  in.close();
}

int count() {
  int l = 0;
  ifstream in("corrupted.png.bz2", ios::in | ios::binary);
  char p, n;
  in.read(&p,1);
  while (in.read(&n,1)) {
    if (n == '\n' && p == '\r') {
      l++;
    }
    p = n;
  }
  in.close();
  return l;
}

int main() {
  int max = count();
  cout << "Change zip to work with: " << max << endl;
  for (int i = 0; i < max; i++) {
    for (int j = 0; j <= i; j++) {
      clean(i,j,max);
    }
  }
}