#include <fstream>
#include <vector>
#include <queue>
#define INF 1e9
using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
int n,m,x,y,teste;
int d[105][105];
int main()
{
    cin>>n;
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            d[i][j]=INF;
    }
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            if (i!=j)
            {cin>>d[i][j];if (d[i][j]==0) d[i][j]=INF;}
            else
                if (i==j)
                cin>>d[i][j];
    }
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                if (d[i][j]>d[i][k]+d[k][j] && d[i][k]!=INF && d[k][j]!=INF)
                    d[i][j]=d[i][k]+d[k][j];
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            if (d[i][j]!=INF)
            cout<<d[i][j]<<' ';
        else
            cout<<0<<' ';
        cout<<endl;
    }
    return 0;
}