Dashboard Questions Topics Companies Sheets

Hash Function

Topic

39 coding problems covering Hash Function concepts. Master this topic and improve your problem-solving skills.

Problems

Easy

Medium

Hard

Difficulty

All39 Easy4 Medium16 Hard19

Title	Solve	Difficulty	Companies	Topics
187. Repeated DNA Sequences	Solve	Medium	Amazon+1	Bit Manipulation Hash Function+4
214. Shortest Palindrome	Solve	Hard	Apple+3	Hash Function Rolling Hash+2
535. Encode and Decode TinyURL	Solve	Medium	Amazon+2	Design Hash Function+2
572. Subtree of Another Tree	Solve	Easy	Amazon+3	Binary Tree Depth-First Search+3
694. Number of Distinct Islands	Solve	Medium	Amazon+3	Breadth-First Search Depth-First Search+3
705. Design HashSet	Solve	Easy	Amazon+6	Array Design+3
706. Design HashMap	Solve	Easy	Adobe+26	Array Design+3
711. Number of Distinct Islands II	Solve	Hard	Amazon+1	Breadth-First Search Depth-First Search+3
718. Maximum Length of Repeated Subarray	Solve	Medium	Indeed+2	Array Binary Search+4
1044. Longest Duplicate Substring	Solve	Hard	-	Binary Search Hash Function+4
1062. Longest Repeating Substring	Solve	Medium	VMware	Binary Search Dynamic Programming+4
1147. Longest Chunked Palindrome Decomposition	Solve	Hard	Google	Dynamic Programming Greedy+4
1316. Distinct Echo Substrings	Solve	Hard	Google	Hash Function Rolling Hash+2
1392. Longest Happy Prefix	Solve	Hard	Amazon	Hash Function Rolling Hash+2
1461. Check If a String Contains All Binary Codes of Size K	Solve	Medium	Google	Bit Manipulation Hash Function+3
1554. Strings Differ by One Character	Solve	Medium	Airbnb+1	Hash Function Hash Table+2
1698. Number of Distinct Substrings in a String	Solve	Medium	Bloomberg+3	Hash Function Rolling Hash+3
1923. Longest Common Subpath	Solve	Hard	Amazon	Array Binary Search+3
1948. Delete Duplicate Folders in System	Solve	Hard	Booking.com+1	Array Hash Function+3
1960. Maximum Product of the Length of Two Palindromic Substrings	Solve	Hard	Codenation	Hash Function Rolling Hash+1
2156. Find Substring With Given Hash Value	Solve	Hard	-	Hash Function Rolling Hash+2
2168. Unique Substrings With Equal Digit Frequency	Solve	Medium	Expedia	Counting Hash Function+3
2223. Sum of Scores of Built Strings	Solve	Hard	Amazon	Binary Search Hash Function+4
2261. K Divisible Elements Subarrays	Solve	Medium	Amazon+1	Array Enumeration+4
2430. Maximum Deletions on a String	Solve	Hard	DE Shaw	Dynamic Programming Hash Function+3
3006. Find Beautiful Indices in the Given Array I	Solve	Medium	-	Binary Search Hash Function+4
3008. Find Beautiful Indices in the Given Array II	Solve	Hard	-	Binary Search Hash Function+4
3023. Find Pattern in Infinite Stream I	Solve	Medium	-	Array Hash Function+3
3029. Minimum Time to Revert Word to Initial State I	Solve	Medium	-	Hash Function Rolling Hash+2
3031. Minimum Time to Revert Word to Initial State II	Solve	Hard	-	Hash Function Rolling Hash+2
3034. Number of Subarrays That Match a Pattern I	Solve	Medium	-	Array Hash Function+2
3036. Number of Subarrays That Match a Pattern II	Solve	Hard	-	Array Hash Function+2
3037. Find Pattern in Infinite Stream II	Solve	Hard	-	Array Hash Function+3
3042. Count Prefix and Suffix Pairs I	Solve	Easy	-	Array Hash Function+4
3045. Count Prefix and Suffix Pairs II	Solve	Hard	-	Array Hash Function+4
3135. Equalize Strings by Adding or Removing Characters at Ends	Solve	Medium	-	Binary Search Dynamic Programming+3
3291. Minimum Number of Valid Strings to Form Target I	Solve	Medium	-	Array Binary Search+7
3292. Minimum Number of Valid Strings to Form Target II	Solve	Hard	-	Array Binary Search+6
3327. Check if DFS Strings Are Palindromes	Solve	Hard	-	Array Depth-First Search+4