Apple Two Pointers Questions

41 two pointers problems asked at Apple interviews

Easy (15)Medium (23)Hard (3)

Questions

TitleDifficulty
Rotate ArrayMedium
Valid PalindromeEasy
Reverse Words in a StringMedium
Meeting Rooms IIMedium
Trapping Rain WaterHard
Find Median from Data StreamHard
Move ZeroesEasy
Compare Version NumbersMedium
Merge Sorted ArrayEasy
String CompressionMedium
Find the Index of the First Occurrence in a StringEasy
3SumMedium
Remove Duplicates from Sorted ArrayEasy
Count the Number of Incremovable Subarrays IIHard
Count the Number of Incremovable Subarrays IEasy
Remove Nth Node From End of ListMedium
Two Sum II - Input Array Is SortedMedium
Longest Palindromic SubstringMedium
Container With Most WaterMedium
Find K Closest ElementsMedium
Reverse StringEasy
Middle of the Linked ListEasy
Lowest Common Ancestor of a Binary Tree IIIMedium
Sort ColorsMedium
Happy NumberEasy
Palindromic SubstringsMedium
Valid Palindrome IIEasy
Find the CelebrityMedium
Remove ElementEasy
Reorder ListMedium
Intersection of Two ArraysEasy
Intersection of Two Linked ListsEasy
Interval List IntersectionsMedium
4SumMedium
Permutation in StringMedium
Reverse Vowels of a StringEasy
Dot Product of Two Sparse VectorsMedium
Assign CookiesEasy
Meeting SchedulerMedium
One Edit DistanceMedium
Remove Duplicates from Sorted List IIMedium

Showing 41 questions