摘要：
Description: At a lemonade stand, each lemonade costs $5. Customers are standing in a queue to buy from you, and order one at a time (in the order spe 阅读全文
摘要：
Description: We distribute some number of candies, to a row of n = num_people people in the following way: We then give 1 candy to the first person, 2 阅读全文
摘要：
Description: You are given two arrays (without duplicates) nums1 and nums2 where nums1’s elements are subset of nums2. Find all the next greater numbe 阅读全文