#include <fstream>

using namespace std;

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

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

int n;
int dis[NMAX][NMAX];

void citire() {
    fin >> n;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fin >> dis[i][j];
            if (i != j && !dis[i][j])
                dis[i][j] = INF;
        }
    }
}

void roy_floyd() {
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (i != j)
                    dis[i][j] = min(dis[i][j], dis[i][k] + dis[k][j]);
}

void afis() {
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fout << dis[i][j] << ' ';
        }
        fout << '\n';
    }
}

int main(){
    citire();
    roy_floyd();
    afis();
    return 0;
}