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

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


int main()
{

    int n;
    fin>>n;
    vector<vector<int>>a(n+1,vector<int>(n+1)),rez(n+1,vector<int>(n+1));
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++){

            fin>>a[i][j];

        }

    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]&&i!=j)
                    a[i][j]=a[i][k] + a[k][j];

    for(int i=1;i<=n;i++,fout<<'\n')
        for(int j=1;j<=n;j++){

            fout<<a[i][j]<<" ";

        }

    return 0;
}