#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[105][105];
void citire()
{
    int i,j;
    f>>n;
    for(i=1; i<=n; ++i)
        for(j=1; j<=n; ++j)
            f>>a[i][j];
}
void roy_floyd()
{
    int i,j,k;
    for (k=1; k<=n; ++k)
        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
                if(a[i][k]&&
                    a[k][j]&&
                    (a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&
                    i!=j)
                    a[i][j]=a[i][k]+a[k][j];
}
void afis()
{
    int i,j;
    for (i=1; i<=n; ++i)
    {
        for (j=1; j<=n; ++j)
            g<<a[i][j]<<" ";
        g<<'\n';
    }
}
int main()
{
    citire();
    roy_floyd();
    afis();
    return 0;
}