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Leetcode Problem 751. IP to CIDR

751. IP to CIDR

Leetcode Solutions

Greedy Approach with Bit Manipulation

  1. Convert the starting IP address to its binary representation.
  2. While there are still IP addresses left to cover: a. Count the number of trailing zeros in the binary representation of the current IP address. b. Determine the maximum number of IP addresses that can be covered without exceeding the remaining count (n). c. Create a CIDR block with the current IP address and the appropriate prefix length. d. Add the CIDR block to the result list. e. Update the current IP address by adding the number of IP addresses covered by the CIDR block. f. Decrease n by the number of IP addresses covered.
  3. Return the list of CIDR blocks.
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Iterative Expansion with Stack

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