#include <fstream>
using namespace std;

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

const int MaxN = 110, Inf = 0x3f3f3f3f;
int n, a[MaxN][MaxN];

void Read();
void FloydWarshall();
void Write();

int main()
{
    Read();
    FloydWarshall();
    Write();

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

void FloydWarshall()
{
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (i != j && 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++, fout << '\n')
        for (int j = 1; j <= n; j++)
            if (a[i][j] == Inf)
                fout << "0 ";
            else
                fout << a[i][j] << ' ';
}

void Read()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            if (i != j)
                a[i][j] = Inf;
    int x;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
        {
            fin >> x;
            if ( x )
                a[i][j] = x;
        }
}