#include <bits/stdc++.h>

using namespace std;
/******************************************/
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
/******************************************/
//variabile globale

int n;
int dist[101][101];
/******************************************/
///---------------------------------------------
inline void readInput()
{
    f>>n;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
         f>>dist[i][j];
         if(dist[i][j]==0) dist[i][j] = 1000000000;
        }
    }
}
///---------------------------------------------
inline void Solution()
{
    for(int k=1;k<=n;k++)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                if(dist[i][j] > dist[i][k] + dist[k][j])
                {
                    dist[i][j] = dist[i][k] + dist[k][j];
                }
            }
        }
    }
}
///---------------------------------------------
inline void Afisare()
{

    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
         if(dist[i][j]== 1000000000 || i==j)  g<<"0"<<" ";
         else g<<dist[i][j]<<" ";
        }
        g<<"\n";
    }
}
///---------------------------------------------
int main()
{
    readInput();
    Solution();
    Afisare();
    return 0;
}