#include <fstream>
#include <climits>
#define nmax 105
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
short 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)
if (matrix[i][k] + matrix[k][j] < matrix[i][j])
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] << " ";
fout << "\n";
}
return 0;
}