#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
#define INF 100000000
int n, d[101][101], i, j, k, ok;
int main()
{
    fin >> n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++) {
            fin >> d[i][j];
            if (d[i][j]==0) d[i][j] = INF;
        }
    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
             for (j=1;j<=n;j++)
                 if (d[i][k]!=INF && d[k][j]!=INF)
                     if (d[i][j]>d[i][k]+d[k][j]) d[i][j] = d[i][k]+d[k][j];
    for (i=1;i<=n;i++) {
        for (j=1;j<=n;j++)
            if (i==j || d[i][j]==INF) fout << 0 << " ";
            else fout << d[i][j] << " ";
        fout << '\n';
    }
    return 0;
}