#include <fstream>
using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int mat[102][102];

int main()
{
    int i, j, k, n;
    cin>>n;
    for (i = 1; i <= n; i++) {
        for (j = 1; j <= n; j++) {
            cin>>mat[i][j];
        }
    }
    for (k = 1; k <= n; k++) {
        for (i = 1; i <= n; i++) {
            for (j = 1; j <= n; j++) {
                if (i != j && mat[i][k] > 0 && mat[k][j] > 0) {
                    if (mat[i][j] == 0) {
                        mat[i][j] = mat[i][k] + mat[k][j];
                    }
                    mat[i][j] = min(mat[i][k] + mat[k][j], mat[i][j]);
                }
            }
        }
    }
    for (i = 1; i <= n; i++) {
        for (j = 1; j <= n; j++) {
            cout<<mat[i][j]<<" ";
        }
        cout<<"\n";
    }
    return 0;
}