#include <fstream>

using namespace std;

int mat[101][101];
int n , m;
ifstream input("royfloyd.in");
ofstream output("royfloyd.out");
const static int infinit = 0;


int main()
{
    input >> n;

    for (int i =1;i<=n;i++)
        for (int j = 1;j<=n;j++)
        {
            input >> mat[i][j];
        }

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

    }
    for (int i =1;i<=n;i++)
    {
        for (int j = 1;j<=n;j++)
        {
            output << mat[i][j] << " ";
        }
        output << "\n";
    }
    return 0;
}