#include <iostream>
#include <fstream>
#define DIM 105

using namespace std;

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

int n, a[DIM][DIM];

void Roy_Warshall(int n, int a[][DIM])
{
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
                if(a[i][k] && a[k][j] && i != j && (a[i][j] == 0 || a[i][k] + a[k][j] < a[i][j] ))
                    a[i][j] = a[i][k] + a[k][j];
}

int main()
{
    f>>n;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            f>>a[i][j];
    Roy_Warshall(n,a);
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
            g<<a[i][j]<<" ";
        g<<"\n";
    }
}