public int compareTo(Pair other) { return Integer.compare(this.c, other.c); } } public int minCostConnectPoints(int[][] points) { int n = points.length; ArrayList<ArrayList<Pair>> adj = new ArrayList<>(); for (int i = 0; i <...
Question: QUESTION 1 We can represent questions about context-free languages and regular languages by choosing a standard encoding for context-free grammars (CFG's) and another for regular expressions (RE's), and phrasing the question as recognition of the c...
Indeed, the technology’s popularity has raised awkward questions for companies like Chegg, whose share price plunged last May after Dan Rosensweig, its chief executive, told investors it was losing customers to Chatgpt. 事实上,这项技术的普及给Chegg等公司带来了尴尬的问题。去年5月,Chegg首席执行官...
My advice if you’re going to consider writing eBooks is to write lots of them. The more books you have to offer, the more money you’ll make. Plus, once a reader finishes one of your books, if they like it, they’ll want to read another, so have one ready for them to buy!
When reflecting on cost structures, retail executives should ask themselves several questions: do we understand the economics of our major vendors well enough to know their true costs and what profit margins they’re making from our business? Are we managing the cost of core retail functions and...
Chegg will not buy back international or teacher's edition books, which are usually denoted by marks on the spine, cover, or first few pages of the book. You can receive payment via check (10 - 15 business days after the book is received), PayPal (3 business days after the book is ...
When reflecting on cost structures, retail executives should ask themselves several questions: do we understand the economics of our major vendors well enough to know their true costs and what profit margins they’re making from our business? Are we managing the cost of core retail functions ...
If you’ve been married more than once, you can also hack your ex-wives and see what they’re up to. To See If You Have Any Anonymous Friends:If you’ve ever been on the internet looking for friends, you may have come across any number of people with the same name as you. They...
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Indeed, the technology’s popularity has raised awkward questions for companies like Chegg, whose share price plunged last May after Dan Rosensweig, its chief executive, told investors it was losing customers to Chatgpt. 事实上,这项技术的普及给Chegg等公司带来了尴尬的问题。去年5月,Chegg首席执行官...