rule (the result of formula calculation is the ranking of topic heat): : I would like to ask how such a requirement can reduce the consumption of server performance, can you tell me about the solution? ...
demand: an array Each element of the array is a string The string may be empty, that is, " " sort the array with special characters first and strings of length 0 first, that is, the example in requirement 3, followed by underscores. Other sp...