#include <iostream>
#include <fstream>

using namespace std;
#define minim(a, b) ( (a < b) ? a : b )
#define nMax 101
#define INF 1000000

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

int n, a[nMax][nMax];

void roy_floyd(){
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                a[i][j] = minim(a[i][j], a[i][k] + a[k][j]);
}

int main()
{
    //Citirea fisierului
    fin >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j){
            fin >> a[i][j];
            if(a[i][j] == 0) a[i][j] = INF;
        }


    roy_floyd();


    //Afisarea matricei dupa aplicarea algoritmului
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            if(i == j || a[i][j] == INF)
                fout << "0 ";
            else
                fout << a[i][j] << " ";
        }
        fout << "\n";
    }


    fin.close();
    fout.close();
    return 0;
}