Range Minimu Query: Given an array A[1,n] of n ordered objects (such as numbers), a Range Minimum Query (or RMQ) from i to j asks for the position of a minimum element in the sub-array A[i,j]. RMQs can be used to solve the lowest common ancestor problem.
The reasons that we do not eat or recommend shellfish are very similar. Shellfish are bottom feeders and feed on parasites and dead skin, many times from dead animals. They do not have appropriate digestive and filter systems to purify toxins and parasites from their body and flesh.
When Can Kids Eat Shellfish? Most doctors recommend that you wait until your baby is 9 months old to give him fish (such as salmon) and 12 months for shellfish (such as shrimp or lobster). This is because by this point his immune system should be developed enough to reduce the risk of an allergic reaction.