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.
A mermaid is a legendary aquatic creature with the upper body of a female human and the tail of a fish. Mermaids appear in the folklore of many cultures worldwide, including the Near East, Europe, Africa and Asia.he first known mermaid stories appeared in Assyria c. 1000 BC. The goddess Atargatis, mother of Assyrian queen Semiramis, loved a mortal (a shepherd) and unintentionally killed him. Ashamed, she jumped into a lake and took the form of a fish, but the waters would not conceal her divine beauty.