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