Leetcode Problem 2747. Count Zero Request Servers

2747. Count Zero Request Servers

Leetcode Solutions

Sort the logs by their time values.
Sort the queries by their values, keeping track of their original indices for the final answer.
Initialize two pointers, l and r, to traverse the logs.
For each query, increment r until the logs' time is greater than the query time.
Increment l until the logs' time is less than the query start time (query time minus x).
Use a set to keep track of unique servers within the current window.
The answer for each query is the total number of servers minus the size of the set.
Return the answers in the order of the original queries.

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