摘要：
Description A supermarket has a set Prod of products on sale. It earns a profit px for each product x∈Prod sold by a deadline dx that is measured as a 阅读全文
摘要：
贪心 加 优先队列 You can perfectly predict the price of a certain stock for the next N days. You would like to profit on this knowledge, but only want to tra 阅读全文