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- #include <iostream>
- #include <fstream>
- #include <iomanip>
- using namespace std;
- ifstream fin("hercule.in");
- ofstream fout("hercule.out");
- int di[] = {1, 0};
- int dj[] = {0, 1};
- int res = 0;
- int a[11][11];
- int n, m;
- bool e_corect(int i, int j, int TIMP)
- {
- return i <= n && j <= m && a[i][j] - TIMP > 0;
- }
- void backtr(int i, int j, int TIMP = 1)
- {
- a[i][j] -= TIMP;
- if(i == n && j == m)
- {
- for(int i = 1; i <= n; i++)
- {
- for(int j = 1; j <= m; j++)
- {
- fout << setw(4) << a[i][j] << ' ';
- }
- fout << '\n';
- }
- fout << "\n\n";
- res++;
- return;
- }
- for(int k = 0; k < 2; k++)
- {
- int nexti = i + di[k];
- int nextj = j + dj[k];
- if(e_corect(nexti, nextj, TIMP))
- {
- backtr(nexti, nextj, TIMP + 1);
- a[i][j] += TIMP;
- }
- }
- }
- int main()
- {
- fin >> n >> m;
- for(int i = 1; i <= n; i++)
- for(int j = 1; j <= m; j++)
- fin >> a[i][j];
- backtr(1, 1);
- fout << res;
- return 0;
- }
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