#include <iostream>
#include <fstream>

using namespace std;

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

int a[101][101];

int main()
{
    int n, i, j, k;

    fin>>n;

    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>a[i][j];

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

    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fout<<a[i][j]<<" ";

        fout<<endl;
    }

    return 0;
}