#include <iostream>
#include <fstream>
#define inf 1000000

using namespace std;

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

int a[101][101];

int main()
{
    int n,x;
    in>>n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
        {
            in>>x;
            if (i!=j)
            {
                if (x==0) a[i][j]=inf;
                else a[i][j]=x;
            }
        }
    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]<a[i][j])
                    a[i][j]=a[i][k]+a[k][j];
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            out<<a[i][j]<<' ';
        out<<'\n';
    }
    return 0;
}