#include <fstream>

using namespace std;

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

const int MAX = 101, inf = (1 << 30) - 1;
int dp[MAX][MAX], n, nr;

int main()
{
    fin >> n;
    for (int i = 1; i <= n ; i++)
    for (int j = 1; j <= n; j++){
        fin >> nr;
        dp[i][j] = (!nr ? inf : nr);
    }
    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][j] = dp[i][k] + dp[k][j];

    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++)
            fout << (dp[i][j] == inf? 0 : dp[i][j]) << ' ';
        fout << '\n';
    }
    return 0;
}