#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,m,i,j,k,a[105][105];
int main()
{
    fin>>n;
    for(i=1; i<=n; i++)
        for(j=1; j<=n; j++)
            fin>>a[i][j];
    for(k=1; k<=n; k++)
            for(i=1; i<=n; i++)
                for(j=1; j<=n; j++)
                    if(a[i][k] and a[k][j] and i!=j and (a[i][j]>a[i][k]+a[k][j] or a[i][j]==0))
                        a[i][j]=a[i][k]+a[k][j];

     for(i=1; i<=n; i++)
        {
            for(j=1; j<=n; j++)
                fout<<a[i][j]<<" ";
            fout<<'\n';
        }
}