#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101],b[101][101],i,j,n,k;
int main()
{
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 (i!=j&& a[i][k]!=0 && a[k][j]!=0)
           {
               if (a[i][j]==0) a[i][j]=a[i][k]+a[k][j];
               else 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++) g<<a[i][j]<<" ";
    g<<"\n";
}


    return 0;
}