1 Create a data structure that efficiently supports the stack operations (pop and push) and also return the maximum element. 2  Assume the elements are integers or reals so that you can compare them. 3  Hint: use two stacks, one to store all of the elements and a second stack to store the maximums. 4  Tag systems.
Deep-Sea Mermaid Lake Mermaids Lake mermaids, sometimes known as Freshwater mermaids, live in freshwater and are built for chamouflage and sometimes live partially on land.
Mermaid Syndrome Facts. Mermaid syndrome or sirenomelia syndrome is a deadly birth defect in which the two lower limbs of the newborn are attached or fused together as one. It is named so because the two fused lower limbs look like a mermaid's tail.Let us get more informed about this grave syndrome. It is also known as sirenomelia, as mentioned earlier. 2  It is such a rare birth defect that only 1 in every 70,000 births is known to have it. 3  There are only over 300 (reported) live births of such babies. 4  More often than not, the condition proves fatal for the baby. 5  In fact, very few survive it even after surgery.