#include<iostream>
#include<fstream>
#define INF 1000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int mat[100][100];
int main()
{
    fin>>n;
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
        {
            fin>>mat[i][j];
            if(mat[i][j] == 0)
            {
                if(i != j)
                {
                    mat[i][j] = INF;
                }
            }
        }
    for(int k=0;k<n;k++)
        for(int i=0;i<n;i++)
            for(int j=0;j<n;j++)
    {
        if(mat[i][k] == INF || mat[k][j] == INF)
        {
            continue;
        }
        if(mat[i][k] + mat[k][j] < mat[i][j])
        {
            mat[i][j] = mat[i][k] + mat[k][j];
        }
    }
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<n;j++)
        {
            if(mat[i][j] == INF) fout<<"0"<<" ";
            else fout<<mat[i][j]<<" ";
        }
        fout<<"\n";
    }
}