Visa Hash Table Questions

36 hash table problems asked at Visa interviews

Easy (8)Medium (25)Hard (3)

Questions

TitleDifficulty
Two SumEasy
Split the ArrayEasy
Longest Substring Without Repeating CharactersMedium
Minimum Operations to Write the Letter Y on a GridMedium
Find the Length of the Longest Common PrefixMedium
LRU CacheMedium
Number of Black BlocksMedium
Group AnagramsMedium
Odd String DifferenceEasy
Match Alphanumerical Pattern in Matrix IMedium
Number of Divisible Triplet SumsMedium
Divide Players Into Teams of Equal SkillMedium
Happy NumberEasy
Grid Teleportation TraversalMedium
Subarray Sum Equals KMedium
Check If Array Pairs Are Divisible by kMedium
Word LadderHard
Number of Matching SubsequencesMedium
Top K Frequent ElementsMedium
Maximum Palindromes After OperationsMedium
Find Score of an Array After Marking All ElementsMedium
Substrings of Size Three with Distinct CharactersEasy
LFU CacheHard
Contains DuplicateEasy
Sort Characters By FrequencyMedium
Valid AnagramEasy
Ugly Number IIMedium
Letter Combinations of a Phone NumberMedium
Word BreakMedium
Word Break IIHard
Restore the Array From Adjacent PairsMedium
Design Memory AllocatorMedium
Subarray Sums Divisible by KMedium
Longest Consecutive SequenceMedium
First Unique Character in a StringEasy
Hand of StraightsMedium

Showing 36 questions