#include <fstream>

#define NMax 110
#define INF 2000000000

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int nodes, dist[NMax][NMax];

int getMin(int a, int b)
{
    if (a < b)
        return a;
    return b;
}

int main()
{
    f>>nodes;
    
    for (int i=1; i<=nodes; i++) {
        for (int j=1; j<=nodes; j++) {
            f>>dist[i][j];
            if (!dist[i][j])
                dist[i][j] = INF;
        }
    }
    
    for (int k = 1; k<=nodes; k++)
        for (int i=1; i<=nodes; i++)
            for (int j=1; j<=nodes; j++)
                if (i != j)
                    dist[i][j] = getMin(dist[i][j], dist[i][k] + dist[k][j]);
    
    for (int i=1; i<=nodes; i++) {
        for (int j=1; j<=nodes; j++) {
            if (dist[i][j] == INF)
                g<<0<<" ";
            else
                g<<dist[i][j]<<" ";
        }
        g<<"\n";
    }
    
    return 0;
}