#include #include #include #include #include using namespace std; int main() { int n, m; cin >> n >> m; char mat[n][m]; int si = 0, sj = 0; for(int i = 0; i < n; i++) { for(int j = 0; j < m; j++) { cin >> mat[i][j]; if(mat[i][j] == 'S') { si = i; sj = j; } } } int dist[n][m]; // ke ni zapisuva kolkav e najkratiot pat od poleto S do poleto (i, j) for(int i = 0; i < n; i++) { for(int j = 0; j < m; j++) { dist[i][j] = -1; } } dist[si][sj] = 0; queue q; q.push(si); q.push(sj); int di[] = {-1, 1, 0, 0}; int dj[] = {0, 0, -1, 1}; while(!q.empty()) { int ci = q.front(); q.pop(); int cj = q.front(); q.pop(); for(int k = 0; k < 4; k++) { int ti = ci + di[k]; int tj = cj + dj[k]; if(ti >= 0 and ti < n and tj >= 0 and tj < m and mat[ti][tj] != '#' and dist[ti][tj] == -1) { dist[ti][tj] = dist[ci][cj] + 1; q.push(ti); q.push(tj); } } } for(int i = 0; i < n; i++) { for(int j = 0; j < m; j++) { cout << dist[i][j] << " "; } cout << endl; } return 0; } /* 4 4 #### ..## S... #### */