#include <fstream>
#define INF 999999999
#define min(a,b) ((a<b)?(a):(b))

using namespace std;

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

int n, a[105][105];

int main()
{
    int i, j, k;

    fin >> n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            if (i != j)
                a[i][j] = INF;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        {
            fin >> a[i][j];
            if (a[i][j] == 0 && i!=j)
                a[i][j] = INF;
        }
    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for (j=1;j<=n;j++)
                a[i][j] = min(a[i][j],a[i][k]+a[k][j]);
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            if (a[i][j] == INF)
                fout << "0 ";
            else fout << a[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}