#include <bits/stdc++.h>
using namespace std;

const int MAX = 105, inf = 0x3F3F3F3F;
int dp[MAX][MAX];

int main()
{
    ifstream cin("royfloyd.in");
    ofstream cout("royfloyd.out");
    int n;
    cin >> n;

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

            if (i != j && dp[i][j] == 0)
                dp[i][j] = inf;
        }

    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);

    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
            if (dp[i][j] == inf)
                cout << "0 ";
            else
                cout << dp[i][j] << " ";

        cout << "\n";
    }

    return 0;
}