#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

const int N = 101, INF = 1e9;

int n, a[N][N], d[N][N];

void roy_floyd()
{
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            if (i == j)
                d[i][j] = 0;
            else if (a[i][j] == 0)
                d[i][j] = INF;
            else
                d[i][j] = a[i][j];
                
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                if (d[i][k] + d[k][j] < d[i][j])
                    d[i][j] = d[i][k] + d[k][j];

}

int main()
{
    in >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            in >> a[i][j];

    roy_floyd();

    for (int i = 1; i <= n; ++i, out << '\n')
        for (int j = 1; j <= n; ++j)
        {
            if (d[i][j] == INF)
                d[i][j] = 0;
            
            out << d[i][j] << ' ';
        }
    
    return 0;
}