#include<fstream>

using namespace std;

int n, a[101][101];

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");


void citire()
{
    int i,j;

    f >> n;

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

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

    citire();

    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++)
            g << a[i][j]<<' ';
        g << '\n';
    }


    return 0;
}