#include <iostream>
#include <fstream>

using namespace std;

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

int n;
int a[105][105];

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

    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if(i!=j && a[i][k]!=0 && a[k][j]!=0 && (a[i][j]>a[i][k]+a[k][j] or a[i][j] == 0) )
                    a[i][j]=a[i][k]+a[k][j];
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            g << a[i][j] << " ";
        g << '\n';
    }

    return 0;
}