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.
Mermaids have been a popular subject of art and literature in recent centuries, such as in Hans Christian Andersen 's well-known fairy tale . The Little Mermaid  (1836). They have subsequently been depicted in operas, paintings, books, films and comics.hereafter, she took the form of a mermaid â human above the waist, fish below â although the earliest representations of Atargatis showed her as a fish with a human head and arm, similar to the Babylonian god Ea.