#include <iostream>
#include <fstream>

using namespace std;

int n,a[105][105];

ifstream ci("royfloyd.in");
ofstream cou("royfloyd.out");

int main()
{
    ci>>n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
            ci>>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 and a[i][k] and a[k][k] and (!a[i][j] or a[i][j]>a[i][k]+a[k][j]))
                    a[i][j]=a[i][k]+a[k][j];
    for (int i=1; i<=n; i++,cou<<'\n')
        for (int j=1; j<=n; j++)
            cou<<a[i][j]<<" ";

}