#include <iostream>
#include <fstream>
#define nn 101
#define INF 100005
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a1[nn][nn],n,i,j,k;
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
           {f>>a1[i][j];
           if(a1[i][j]==0 && i!=j)a1[i][j]=INF;}



    for(k=1;k<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {

              if(a1[i][j]!=0 && a1[i][k]+a1[k][j]<a1[i][j])
                a1[i][j]=a1[i][k]+a1[k][j];
        }

        }
    }

    for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            { g<<a1[i][j]<<" ";}g<<endl;}

}