#include <fstream>
#include <limits.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int a[101][101],n,i,j,k;
int main()
{
    in>>n;
    for (i=1;i<=n;++i)
    {
        for (j=1;j<=n;++j)
        {
            in>>a[i][j];
            if (i!=j && !a[i][j]) a[i][j]=INT_MAX;
        }
    }
    for (k=1;k<=n;++k)
    {
        for (i=1;i<=n;++i)
        {
            for (j=1;j<=n;++j)
            {
                if (a[i][k]!=INT_MAX && a[k][j]!=INT_MAX && a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
            }
        }
    }
    for (i=1;i<=n;++i)
    {
        for (j=1;j<=n;++j)
             out<<a[i][j]<<" ";
        out<<"\n";
    }
}