#include <bits/stdc++.h>
using namespace std;

int N,i,j,k,path,u,v;
int A[101][101],B[101][101];



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

int main()
{
    fin >> N ;
    for (i=1;i<=N;i++)
    {
        for (j=1;j<=N;j++)
        {
            fin>>A[i][j];
            B[i][j]=j;
        }
    }
    for (k=1;k<=N;k++)
    {
        for (i=1;i<=N;i++)
        {
            for (j=1;j<=N;j++)
            {
                if ((A[i][k] && A[k][j] && A[i][j]>A[i][k]+A[k][j] || !A[i][j]) && i != j)
                {
                    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";
    }
    return 0;
}