#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");



int main()
{
    int a[100][100], n;
    ///citire
    fin >> n;
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
            fin >> a[i][j];

   ///Roy-Floyd
   for(int k=0;k<n;k++)
        for(int i=0;i<n;i++)
            for(int j=0;j<n;j++)
                if(a[i][k] && a[k][j] && i!=j && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]))
                    a[i][j]=a[i][k]+a[k][j];

   ///afisare
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++)
            fout << a[i][j] << " ";
        fout << "\n";
    }
    return 0;
}