#include <bits/stdc++.h>

using namespace std;

const char* input = "royfloyd.in";
const char* output = "royfloyd.out";

const int NMAX = 105;
int N, dp[NMAX][NMAX];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);

    freopen(input, "r", stdin);
    freopen(output, "w", stdout);

    cin >> N;
    for(int i = 1; i <= N; ++i)
        for(int j = 1; j <= N; ++j)
            cin >> 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] && (dp[i][j] > dp[i][k] + dp[k][j] || dp[i][j] == 0))
                    dp[i][j] = dp[i][k] + dp[k][j];

    for(int i = 1; i <= N; ++i) {
        for(int j = 1; j <= N; ++j)
            cout << dp[i][j] << " ";
        cout << "\n";
    }
    return 0;
}