algorithm

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Finding all occurrences of a character in a string

I have comma delimited strings I need to pull values from. The problem is these strings will never be a fixed size. So I decided to iterate through the groups of commas and read what is in between. In[详细]

2023-04-12 10:32 分类：问答
Matching arrays by values

I have multiple entries in a temporary table in Database, and I need to merge them to make permanent entries. Now the information is coming from multiple XML Feeds, and I have all sorts of information[详细]

2023-04-12 10:16 分类：问答
priority_queue, iterator and ordering

Consider a std::priority_queue where N elements have the same priority. Now consider some pop()s and push()s of elements with any priority, so that the resulting queue consists of all those N elements[详细]

2023-04-12 09:34 分类：问答
Pygame quick pixel reading

Alright, hopefully someone can help me with this because I\'m at a loss here. I\'m working on a game in python that uses the camera as the main controller. To play the game, you move a simple light a[详细]

2023-04-12 08:30 分类：问答
K nearest neighbour vs User based nearest neighbour

I was reading up on recommender systems on wikipedia and the section o开发者_运维百科n \"Algorithms\" seems to suggest that K nearest neighbour and collaborative filtering based user based algorithm a[详细]

2023-04-12 07:56 分类：问答
How to calculate exact median of a sorted array without holding the whole array and with constant space?

I need to read sorted array from input to awk/gawk and get median. I don\'t want to store the whole array and am trying to get cons开发者_JAVA技巧tant space for the calculation.[详细]

2023-04-12 07:22 分类：问答
Remove common words but when asked to return an understandable content?

I was wondering if somehow (maybe with an aglorithm) a submitted text like the one below can be summarized (removing the common words)[详细]

2023-04-12 07:09 分类：问答
Finding the maximum sum from a matrix

There is a matrix with m rows and n columns. The task is to find the maximum sum choosing a single element from each row and column. I came up with a solution, which finds the maximum from the whole m[详细]

2023-04-12 05:58 分类：问答
How to group objects in a net, on the screen?

I\'m making a simu开发者_JAVA百科lation of the thinking and remembering process, and I have various pictures (cow, airplane, orange) that need to be displayed in a mind map-like style on the screen. E[详细]

2023-04-12 05:53 分类：问答
Visited pages for particular user from log file

How to find visited pages for a particular user from a big log file that contains list of sessionId and PageId combination in each separate line?[详细]

2023-04-12 05:39 分类：问答