#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
#define nmax 105
int n, dp[nmax][nmax];
int main()
{
    f >> n;
    for (int i = 1; i <= n; ++i) for (int j = 1; j <= n; ++j) f >> 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) if ((dp[i][j] > dp[i][k] + dp[k][j] || !dp[i][j]) && dp[i][k] && dp[k][j])
                    dp[i][j] = dp[i][k] + dp[k][j];
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) g << dp[i][j] << ' ';
        g << '\n';
    }
    return 0;
}