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Description Olya loves energy drinks. She loves them so much that her room is full of empty cans from energy drinks. Formally, her room can be represented as a field of n × m cells, each cell of which is empty or littered with cans.

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point 記憶體空間管理 資料類型 資料結構 執行內容 變數對象 使用中的物件 範圍 範圍鏈 閉包 important 在學習記憶體空間之前，我們需要對三種資料結構有一個直觀的認知。他們分別是堆(heap)，棧(stack)與隊列(queue)。 JavaScript的執行內容產生之後，會建立一個叫做變數對象的特殊對象 基礎資料類型都是一些簡單的資料區段，JavaScript中有5中基礎資料類型，分別是Undefined、Null、Boolean、

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Lucas定理 ans=C(n,0)+C(n,1)+……+C(n,k) =C(n/2333,0)*C(n%2333,0)+C(n/2333,0)*C(n%2333,1)+……+C(n/2333,0)*C(n%2333,2332)+C(/2333,1)*C(n%2333,0)+……+C(n/2333,k/2333)*(n%2333,k%2333) =∑C(n/2333,j)*sum[n%2333][2332](0<=j<k/2333)+C(n/2333,k/2333)*

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