#include <fstream>
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n;
int c[101][101];

void Floyd_Warshall();

int main()
{
    fin >> n;
    for ( int i = 1; i <= n; ++i )
        for ( int j = 1; j <= n; ++j )
            fin >> c[i][j];
    Floyd_Warshall();
    for ( int i = 1; i <= n; ++i )
    {
        for ( int j = 1; j <= n; ++j )
            fout << c[i][j] << ' ';
        fout << '\n';
    }

    fin.close();
    fout.close();
    return 0;
};


void Floyd_Warshall()
{
	for (int k = 1; k <= n; k++)
		for ( int i = 1; i <= n; ++i)
			for (int j = 1; j <= n; ++j)
				if ( c[i][k] && c[k][j] && (c[i][j] > c[i][k] + c[k][j] || !c[i][j]) && i != j )
					c[i][j] = c[i][k]  + c[k][j];
}