#include <fstream>
#include <climits>
#include <algorithm>
#define nmax 105
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n, matrix[nmax][nmax];

int main()
{
    fin >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j) {
            fin >> matrix[i][j];
            if (!matrix[i][j] and i != j)
                matrix[i][j] = INT_MAX;
        }
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                matrix[i][j] = min(matrix[i][j], matrix[i][k] + matrix[k][j]);
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
            fout << ((matrix[i][j] == INT_MAX) ? 0 : matrix[i][j]) << " ";
        fout << "\n";
    }
    return 0;
}