#include <bits/stdc++.h>

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

const int Nmax = 100 + 5;
int dp[Nmax][Nmax], n;

int main()
{
    fin >> n;

    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            fin >> dp[i][j];

    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
            {
                if(i == j || !dp[i][k] || !dp[k][j])continue;
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
            }

    for(int i = 1; i <= n; ++i, fout << '\n')
        for(int j = 1; j <= n; ++j)
            fout << dp[i][j] << ' ';

    return 0;
}