#include <fstream>

#define NMAX 510
#define INF 999999999

using namespace std;

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

void roy_floyd();

int C[NMAX][NMAX];
int n, m, i, j, k, x, y, c, nod, maxi;
int poz, minu;

int main()
{
    fin >> n;
    for(i = 1; i <= n; ++i)
        for(j = 1; j <= n; ++j)
            if(i != j)
                C[i][j] = INF;
    for(j = 1; j <= n; ++j)
    for(i = 1; i <= n; ++i)
    {
        fin >> C[j][i];
    }
    //fin >> nod;
    roy_floyd();
    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
            if(C[i][j] != INF)
                fout << C[i][j] << ' ';
            else
                fout << "0 ";
        fout << '\n';
    }
    return 0;
}

void roy_floyd()
{
    int i, j, k;
    for(i = 1; i <= n; ++i)
        for(j = 1; j <= n; ++j)
            for(k = 1; k <= n; ++k)
                if(C[j][i] != INF && C[i][k] != INF)
                    if(C[j][k] > C[j][i]+C[i][k])
                        C[j][k] = C[j][i]+C[i][k];
}