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#include <bits/stdc++.h>
using namespace std;
 
int n;
bool ways(int x,int y, int mat[n][n], int res[n][n]);
void printsol(int res[n][n]);
int main()
{
	cin>>n;
	int mat[n][n];
	int res[n][n];
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
			cin>>mat[i][j];
 
	for(int i=0;i<n;i++)
	{
		for(int j=0;j<n;j++)
		{
			if(mat[i][j]==0)
				res[i][j]=-1;
			else res[i][j]=0;	
		}
	}	
 
	if(ways(0,0,mat,res)==true)
		printsol(res);
	else 
		cout<<no solution found;
 
	return 0;		
}
 
void printsol(int res[n][n])
{
	for(int i=0;i<n;i++)
	{
		for(int j=0;j<n;j++)
			cout<<res[i][j]<<" ";
		cout<<endl;	
	}
}
 
bool ways(int x,int y, int mat[n][n], int res[n][n])
{
	if(res[n-1][n-1]==1)
		return true;
	if(mat[x][y]==1)
	{
		res[x][y]=1;
		if(ways(x+1,y,mat,res)==true)
		{
			return true;
		}
		if(ways(x,y+1,mat,res)==true)
		{
			return true;
		}
		res[x][y]=0;
		return false;
	}
}
 

prog.cpp:5:33: error: array bound is not an integer constant before ‘]’ token
 bool ways(int x,int y, int mat[n][n], int res[n][n]);
                                 ^
prog.cpp:5:36: error: array bound is not an integer constant before ‘]’ token
 bool ways(int x,int y, int mat[n][n], int res[n][n]);
                                    ^
prog.cpp:5:37: error: expected ‘)’ before ‘,’ token
 bool ways(int x,int y, int mat[n][n], int res[n][n]);
                                     ^
prog.cpp:5:39: error: expected unqualified-id before ‘int’
 bool ways(int x,int y, int mat[n][n], int res[n][n]);
                                       ^~~
prog.cpp:6:24: error: array bound is not an integer constant before ‘]’ token
 void printsol(int res[n][n]);
                        ^
prog.cpp:6:27: error: array bound is not an integer constant before ‘]’ token
 void printsol(int res[n][n]);
                           ^
prog.cpp: In function ‘int main()’:
prog.cpp:29:9: error: ‘no’ was not declared in this scope
   cout<<no solution found;
         ^~
prog.cpp: At global scope:
prog.cpp:34:24: error: array bound is not an integer constant before ‘]’ token
 void printsol(int res[n][n])
                        ^
prog.cpp:34:27: error: array bound is not an integer constant before ‘]’ token
 void printsol(int res[n][n])
                           ^
prog.cpp: In function ‘void printsol(...)’:
prog.cpp:39:10: error: ‘res’ was not declared in this scope
    cout<<res[i][j]<<" ";
          ^~~
prog.cpp: At global scope:
prog.cpp:44:33: error: array bound is not an integer constant before ‘]’ token
 bool ways(int x,int y, int mat[n][n], int res[n][n])
                                 ^
prog.cpp:44:36: error: array bound is not an integer constant before ‘]’ token
 bool ways(int x,int y, int mat[n][n], int res[n][n])
                                    ^
prog.cpp:44:37: error: expected ‘)’ before ‘,’ token
 bool ways(int x,int y, int mat[n][n], int res[n][n])
                                     ^
prog.cpp:44:39: error: expected unqualified-id before ‘int’
 bool ways(int x,int y, int mat[n][n], int res[n][n])
                                       ^~~

Standard output is empty