#include <iostream>
#include <fstream>
#define NMax 101
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[NMax][NMax],n;
int main ()
{
    int i,j,k;
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            f>>a[i][j];
    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]) && i != j) a[i][j] = a[i][k] + a[k][j];
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            g<<a[i][j]<<" ";
        }
        g<<endl;
    }
}