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

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

const int maxN = 105;
const int INF = 1e9;

int a[maxN][maxN];

int main()
{
    int n; 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;
        }

    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                a[i][j] = min(a[i][k] + a[k][j], a[i][j]);

    for(int i = 1; i <= n; ++i, fout << '\n')
        for(int j = 1; j <= n; ++j)
            if(a[i][j] == INF)
                fout << "0 ";
            else
                fout << a[i][j] << " ";

    return 0;
}