#include <iostream>
#include <fstream>
#include <limits>
using namespace std;

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

int n,a[101][101];

void initialsetup()
{
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            a[i][j]=1000000000;
}

int main()
{

    in>>n;
    //initialsetup();
    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] = 1000000000;
            }
        }
    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];
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            if(i==j || a[i][j] == 1000000000)
                out<<0<<" ";
            else
                out<<a[i][j]<<" ";
        }
        out<<"\n";
    }
    return 0;
}