#include <fstream>

using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int mat[105][105];
int main()
{
    int n;
    cin>>n;
    ///citire
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            cin>>mat[i][j];
            if(mat[i][j]==0)
            {
                mat[i][j]=1000000000;
            }
        }
    }
    ///alegi drumul minim intre drumul dintre 2 indici vs 2 indici si un intermediar
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            for(int k=1;k<=n;k++)
            {
                if(i!=j)
                mat[i][j]=min(mat[i][j],mat[i][k]+mat[k][j]);
            }
        }
    }
    ///afisare
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            if(mat[i][j]==1000000000)
                mat[i][j]=0;
            cout<<mat[i][j]<<" ";
        }
        cout<<'\n';
    }
    return 0;
}