#include<iostream>
#include<fstream>
#define DX 1010
using namespace std;
fstream fin("royfloyd.in",ios::in),fout("royfloyd.out",ios::out);
short x[DX][DX];
int main()
{
    int n,i,j,k;
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>x[i][j];
    for(k=1;k<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                if(i!=j && x[i][k] && x[k][j])
                {
                    if(x[i][j]>x[i][k]+x[k][j]) x[i][j]=x[i][k]+x[k][j];
                    if(x[i][j]==0 && x[i][k]+x[k][j]) x[i][j]=x[i][k]+x[k][j];
                }
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fout<<x[i][j]<<" ";
        fout<<"\n";
    }
}