#include <iostream>
#include <cstdio>
using namespace std;

int n;
int sol[103][103];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    cin>>n;
    int i,j,k;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++) cin>>sol[i][j];

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if( ( sol[i][j]> sol[i][k]+sol[k][j] || !sol[i][j]) && i!=j && i!=k && j!=k )
                    sol[i][j]=sol[i][k]+sol[k][j];

    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++) cout<<sol[i][j]<<' ';
        cout<<'\n';
    }
    fclose(stdin);
    fclose(stdout);
    return 0;
}