#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int NMAX = 101, INF = 1e9;
int n, adj[NMAX][NMAX];

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

int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            fin >> adj[i][j];
            if(i != j)
                adj[i][j] = (adj[i][j] == 0 ? INF : adj[i][j]);
        }
    }
    roy_floyd();
    for(int i = 1; i <= n; i++, fout << "\n")
        for(int j = 1; j <= n; j++)
            fout << (adj[i][j] == INF ? 0 : adj[i][j]) << " ";

    fin.close();
    fout.close();
    return 0;
}