#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int NMAX = 105;
const int INF = 1e9;

int a[NMAX][NMAX];

int main()
{
    int n;
    fin >> n;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            fin >> a[i][j];
            if(a[i][j] == 0){
                a[i][j] = INF;
            }
        }
    }
    for(int k = 1; k <= n; ++k){
        for(int i = 1; i <= n; ++i){
            for(int j = 1; j <= n; ++j){
                if(i != j){
                    a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
                }
            }
        }
    }
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            if(a[i][j] == INF){
                fout << 0 << " ";
            }
            else{
                fout << a[i][j] << " ";
            }

        }
        fout << "\n";
    }
    return 0;
}