#include<iostream>
#include<stdio.h>

using namespace std;
int min(int a,int b)
{
    return a < b ? a : b;
}
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n,i,j,k;
    int d[101][101];
    cin >> n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            cin >> d[i][j];
        }
    }
    for(k=1;k<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                if(d[i][k]&&d[k][j])
                {
                    //if((!v[i][j]||v[i][j]>v[i][k]+v[k][j])&&i!=j)
                        d[i][j]=min(d[i][j],d[i][k]+d[k][j]);
                }
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            cout << d[i][j] << " ";
        }
        cout << endl;
    }
    return 0;
}