#include <fstream>
#define MAX 105
#define INF 1000000
using namespace std;
ifstream fi("royfloyd.in");
ofstream fo("royfloyd.out");

int n,D[MAX][MAX];
int main()
{
    fi>>n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
            fi>>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][k] && D[k][j] && (!D[i][j] ||
                D[i][k]+D[k][j]<D[i][j]) && i!=j)
                    D[i][j]=D[i][k]+D[k][j];

    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
            fo<<D[i][j]<<" ";
        fo<<"\n";
    }
    return 0;
}