#include <iostream>
#include <fstream>

using namespace std;

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

const int NMAX = 105;
const int INF = 2e7;

int n;
int dp[NMAX][NMAX];

void print()
{
    for(int i = 1 ; i <= n ; i++)
    {
        for(int j = 1 ; j <= n ; j++)
            fout << (dp[i][j] == INF ? 0 : dp[i][j]) << ' ';
        fout << '\n';
    }
}

void read()
{
    fin >> n;
    for(int i = 1 ; i <= n ; i++)
        for(int j = 1 ; j <= n ; j++){
            fin >> dp[i][j];
            if(dp[i][j] == 0)
                dp[i][j] = INF;
        }
}

void solve()
{
    for(int k = 1 ; k <= n ; k++)
        for(int i = 1 ; i <= n ; i++)
            for(int j = 1 ; j <= n ; j++)
                if(dp[i][k] + dp[k][j] < dp[i][j] && i != j)
                    dp[i][j] = dp[i][k] + dp[k][j];
}

int main()
{
    read();
    solve();
    print();
    return 0;
}