#include <iostream>
#include <fstream>
using namespace std;
int a[257][257];
int exista[257][257];
int main()
{
	ifstream in("royfloyd.in");
	ofstream out("royfloyd.out");
	int i, j, k, n;
	in >> n;
	for (i = 1; i <= n; i++)
	{
		for (j = 1; j <= n; j++)
		{
			in >> a[i][j];
			if (a[i][j]!=0)
			exista[i][j] = 1;
		}
	}
	for (k = 1; k <= n; k++)
	{
		for (i = 1; i <= n; i++)
		{
			for (j = 1; j <= n; j++)
			{
				if (exista[i][j]==0||exista[i][k]==0||exista[k][j]==0){ continue; }
				if (a[i][k] + a[k][j] < a[i][j])
				{
					a[i][j] = a[i][k] + a[k][j];
				}
			}
		}
	}
	for (i = 1; i <= n; i++)
	{
		for (j = 1; j <= n; j++)
		{
			out << a[i][j] << " ";
		}
		out << "\n";
	}
}