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PhantomCodeAI
Features
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Features
Mock Interview
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LeetCode Problems
Hash Function
Hash Function
Problems
31 Hash Function LeetCode problems · Solve with AI-powered hints & step-by-step explanations.
187
Repeated DNA Sequences
Medium
214
Shortest Palindrome
Hard
535
Encode and Decode TinyURL
Medium
572
Subtree of Another Tree
Easy
705
Design HashSet
Easy
706
Design HashMap
Easy
718
Maximum Length of Repeated Subarray
Medium
1044
Longest Duplicate Substring
Hard
1147
Longest Chunked Palindrome Decomposition
Hard
1316
Distinct Echo Substrings
Hard
1392
Longest Happy Prefix
Hard
1461
Check If a String Contains All Binary Codes of Size K
Medium
1923
Longest Common Subpath
Hard
1948
Delete Duplicate Folders in System
Hard
1960
Maximum Product of the Length of Two Palindromic Substrings
Hard
2156
Find Substring With Given Hash Value
Hard
2223
Sum of Scores of Built Strings
Hard
2261
K Divisible Elements Subarrays
Medium
2430
Maximum Deletions on a String
Hard
3006
Find Beautiful Indices in the Given Array I
Medium
3008
Find Beautiful Indices in the Given Array II
Hard
3029
Minimum Time to Revert Word to Initial State I
Medium
3031
Minimum Time to Revert Word to Initial State II
Hard
3034
Number of Subarrays That Match a Pattern I
Medium
3036
Number of Subarrays That Match a Pattern II
Hard
3042
Count Prefix and Suffix Pairs I
Easy
3045
Count Prefix and Suffix Pairs II
Hard
3291
Minimum Number of Valid Strings to Form Target I
Medium
3292
Minimum Number of Valid Strings to Form Target II
Hard
3327
Check if DFS Strings Are Palindromes
Hard
3529
Count Cells in Overlapping Horizontal and Vertical Substrings
Medium
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