#include <fstream>

using namespace std;

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

const int INF = 1e6;
const int N=101;

int n,a[N][N];

void citire()

{
    in>>n;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
        {
            in>>a[i][j];
            if (i != j && a[i][j] == 0)
            {
                a[i][j] = INF;
            }
        }
}

void afisare()
{
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
            if(a[i][j]==INF)
                out<<0<<" ";
            else
                out<<a[i][j]<<" ";
        out<<"\n";
    }
}
void RF()
{
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
                if(a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
}


int main()
{
    int x,y;
    citire();
    RF();
    afisare();
    return 0;
}