#include <iostream>
#include <fstream>

using namespace std;

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

const int NMAX = 100 + 5;
const int INF = 0x3f3f3f3f;

int n;
int a[NMAX][NMAX];

void read()
{
    fin >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
        {
            fin >> a[i][j];
            if (!a[i][j] && i != j)
                    a[i][j] = INF;
        }
}

void roy()
{
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                if (a[i][j] > a[i][k] + a[k][j])
                    a[i][j] = a[i][k] + a[k][j];
}

void write()
{
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
            fout << a[i][j] << " ";
        fout << '\n';
    }
}

int main()
{
    read();
    roy();
    write();
    return 0;
}