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

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

int n, m;
int L[105][105];

int main()
{
    int i, j, k;
    fin >> n;

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

    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            if (i != k)
                for (j = 1; j <= n; j++)
                    if (i != j && L[i][k] != 0 && L[k][j] != 0 && (L[i][j] > L[i][k] + L[k][j] || L[i][j] == 0))
                    L[i][j] = L[i][k] + L[k][j];
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
            fout << L[i][j] << " ";
        fout << "\n";
    }
    return 0;
}