#include <iostream>
#include <string>
#include <queue>
using namespace std;
int main() {
int n, m;
cin >> n >> m;
int arr[n][m];
int arr2[n][m] = {0};
string sss;
for (int i = 0; i < n; i++) {
cin >> sss;
for (int j = 0; j < m; j++) {
arr[i][j] = sss[j] - '0';
}
}
int dx[4] = {-1, 1, 0, 0};
int dy[4] = {0, 0, -1, 1};
queue<pair<int,int>> q;
q.push({0, 0});
arr2[0][0] = 1;
while (!q.empty()) {
int x = q.front().first;
int y = q.front().second;
q.pop();
// cout<<x<<y<<"start";
// cout<<"\n";
for (int i = 0; i < 4; i++) {
int nx = x + dx[i];
int ny = y + dy[i];
cout << arr[nx][ny];
cout<<"\n";
cout<<arr2[nx][ny];
cout <<"number";
cout<<"\n";
if (nx < 0 || ny < 0 || nx >= n || ny >= m){
continue;
}
if (arr[nx][ny] == 1 && arr2[nx][ny] == 0) {
arr2[nx][ny] = arr2[x][y] + 1;
q.push({nx, ny});
// cout<<nx<<ny;
// cout<<"\n";
}
}
}
// cout << arr2[n-1][m-1];
return 0;
}
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