Leetcode Problem 1062. Longest Repeating Substring
Leetcode Solutions
Approach: Binary Search + Rabin-Karp
- Define a function to compute the Rabin-Karp hash of a substring.
- Implement a binary search to find the maximum length of a repeating substring.
- For each length 'L' in the binary search, slide a window of size 'L' across the string.
- Compute the hash for each window and store it in a hashset.
- If a hash is already in the hashset, a repeating substring of length 'L' exists.
- If a repeating substring is found, continue the binary search in the upper half; otherwise, in the lower half.
- Return the maximum length found.
Approach: Binary Search + Hashset of Already Seen Strings
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