xuanweiace的博客

题干： Even the most successful company can go through a crisis period when you have to make a hard decision — to restructure, discard and merge departments, fire employees and do other unpleasant stuff...

题干： An array of size n ≤ 10 6 is given to you. There is a sliding window of size k which is moving from the very left of the array to the very right. You can only see the k numbers in the window. Eac...

题干： Recognizing junk mails is a tough task. The method used here consists of two steps:  1) Extract the common characteristics from the incoming email.  2) Use a filter matching the set of common cha...