#include <bits/stdc++.h>

using namespace std;

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

const int DIM = 101;

int dist[DIM][DIM];

main()
{
	int n;
	fin >> n;
	
	for(int i = 1; i <= n; ++i)
		for(int j = 1; j <= n; ++j)
			fin >> dist[i][j];
	
	for(int k = 1; k <= n; ++k)
		for(int i = 1; i <= n; ++i)
			for(int j = 1; j <= n; ++j)
				if(dist[i][k] && dist[k][j] && i != j && (!dist[i][j] || dist[i][j] > dist[i][k] + dist[k][j]))
					dist[i][j] = dist[i][k] + dist[k][j];
	
	for(int i = 1; i <= n; ++i)
	{
		for(int j = 1; j <= n; ++j)
			fout << dist[i][j] << ' ';
		
		fout << '\n';
	}
}