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. Source. A mermaid is a mythological aquatic creature with a female human head and torso and the tail of a fish..The mermaids have been discussed since at least 5000 BC. Her origins are believed to be from the Great Queen Atargatis, who loved a mortal shepherd and unintentionally killed him.. Source. A mermaid is a mythological aquatic creature with a female human head and torso and the tail of a fish..The mermaids have been discussed since at least 5000 BC. Her origins are believed to be from the Great Queen Atargatis, who loved a mortal shepherd and unintentionally killed him.