#include<fstream>
#define N 103
#define inf 1000000000

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

int n,i,j,k,a[N][N];

int main()
{
    fin >> n;
    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++)
            fout<<(a[i][j]>=inf ? 0 : a[i][j]) << ' ';
        fout<<'\n';
    }
    return 0;
}