#include <iostream>
#include <string>
using namespace std;
int main( ) {
// your code goes here
int count= 0 ;
int input[ 25 ] [ 25 ] ;
bool flag[ 25 ] [ 25 ] = { false } ;
cin >> count;
cin .ignore ( ) ;
for ( int i= 0 ; i< count; i++ )
{
for ( int j= 0 ; j< count; j++ )
{
char temp;
cin >> temp;
if ( temp.compare ( '0' ) ) input[ i] [ j] = 0 ;
else input[ i] [ j] = 1 ;
}
cin .ignore ( ) ;
}
for ( int i= 0 ; i< count; i++ )
{
for ( int j= 0 ; j< count; j++ )
{
//if(!flag[i][j])
cout << input[ i] [ j] ;
}
cout << "" << endl;
}
return 0 ;
}
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