WARSHALL (Matriz de adyacencia C)
	for i = 1 to V do
		for j = 1 to V do
			A[i,j] = C[i,j]
	for k = 1 to V do
		for i = 1 to V do
			for j = 1 to V do
				if A[i,j] = 0 do
					A[i,j] = A[i,k] and A[k,j]