#include<iostream>
#include<stdio.h>
#include<fstream>
using namespace std;
ofstream g("royfloyd.out");
ifstream f("royfloyd.in");
int k,n,a[101][101],i,j;
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            f>>a[i][j];
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            if ((a[i][j] > a[i][k] + a[k][j] || a[i][j]==0)&&(a[i][k]!=0)&&(a[k][j]!=0)&&(i!=j))
            a[i][j]=a[i][k]+a[k][j];
            for(i=1;i<=n;i++)
            {   
            for(j=1;j<=n;j++)
            g<<a[i][j]<<" ";
            g<<endl; }
            return 0;
            g.close();
            }