soarece 23/11/2020

//https://www.pbinfo.ro/probleme/342/soarece
#include <iostream>
#include <fstream>
using namespace std;

ifstream fin("soarece.in");
ofstream fout("soarece.out");

int n, m, is, js, ib, jb, a[11][11], nrsol = 0;

const int di[] = {0, 0, 1, -1}, dj[] = {1, -1, 0, 0};

void afis() {
  nrsol++;
}

void back(int i, int j, int pas) {
  if (i > 0 && i <= n && j > 0 && j <= m && a[i][j] == 0) {
    a[i][j] = pas;
    if (i == ib && j == jb)
      afis();
    else
      for (int k = 0; k < 4; ++k)
        back(i + di[k], j + dj[k], pas + 1);
    a[i][j] = 0;
  }
}

int main() {
  fin >> n >> m;
  for (int i = 1; i <= n; ++i)
    for (int j = 1; j <= m; ++j)
      fin >> a[i][j], a[i][j] = -a[i][j];
  fin >> is >> js >> ib >> jb;
  back(is, js, 1);
  fout << nrsol;
  return 0;
}