今回の記事ではいつもAtcoder中にpythonの普通のリストだと計算量的に間に合わないけどなんかデータ型使えば上手く行けたはず，，，ってのを記事にしてまとめておきます． リスト型の計算量について ・heapq.heapify(リスト)でリストを優先度付きキューに変換 ...

A deque is a double-ended queue. It can be used to add or remove elements from both ends. Deques support thread safe, memory efficient appends and pops from either side of the deque with approximately ...

Classic Snake Game built with pygame library and collections.deque(Arrays are terrible for the memory). The snake can eat food, grow longer, and collide with itself. Who likes boundaries, so snake is ...