Dashboard Questions Topics Companies Sheets

Two Pointers

Topic

209 coding problems covering Two Pointers concepts. Master this topic and improve your problem-solving skills.

209

Problems

Easy

125

Medium

Hard

Difficulty

All209 Easy59 Medium125 Hard25

Title	Solve	Difficulty	Companies	Topics
1055. Shortest Way to Form String	Solve	Medium	Facebook+2	Binary Search Greedy+2
1089. Duplicate Zeros	Solve	Easy	Amazon+1	Array Two Pointers
1099. Two Sum Less Than K	Solve	Easy	Amazon+3	Array Binary Search+2
1147. Longest Chunked Palindrome Decomposition	Solve	Hard	Google	Dynamic Programming Greedy+4
1163. Last Substring in Lexicographical Order	Solve	Hard	Mathworks	String Two Pointers
1214. Two Sum BSTs	Solve	Medium	Amazon	Binary Search Binary Search Tree+5
1229. Meeting Scheduler	Solve	Medium	Adobe+8	Array Sorting+1
1237. Find Positive Integer Solution for a Given Equation	Solve	Medium	Google	Binary Search Interactive+2
1265. Print Immutable Linked List in Reverse	Solve	Medium	Facebook	Linked List Recursion+2
1332. Remove Palindromic Subsequences	Solve	Easy	Bloomberg	String Two Pointers
1346. Check If N and Its Double Exist	Solve	Easy	Google	Array Binary Search+3
1385. Find the Distance Value Between Two Arrays	Solve	Easy	Uber	Array Binary Search+2
1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence	Solve	Easy	Amazon	String String Matching+1
1471. The k Strongest Values in an Array	Solve	Medium	Google	Array Sorting+1
1498. Number of Subsequences That Satisfy the Given Sum Condition	Solve	Medium	Amazon+2	Array Binary Search+2
1508. Range Sum of Sorted Subarray Sums	Solve	Medium	Google	Array Binary Search+2
1537. Get the Maximum Score	Solve	Hard	DE Shaw+1	Array Dynamic Programming+2
1570. Dot Product of Two Sparse Vectors	Solve	Medium	Amazon+4	Array Design+2
1574. Shortest Subarray to be Removed to Make Array Sorted	Solve	Medium	Amazon+1	Array Binary Search+3
1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers	Solve	Medium	-	Array Hash Table+2
1616. Split Two Strings to Make Palindrome	Solve	Medium	Google	String Two Pointers
1634. Add Two Polynomials Represented as Linked Lists	Solve	Medium	Amazon	Linked List Math+1
1650. Lowest Common Ancestor of a Binary Tree III	Solve	Medium	Amazon+6	Binary Tree Hash Table+2
1679. Max Number of K-Sum Pairs	Solve	Medium	Amazon	Array Hash Table+2
1697. Checking Existence of Edge Length Limited Paths	Solve	Hard	Google	Array Graph+3
1712. Ways to Split Array Into Three Subarrays	Solve	Medium	Microsoft+1	Array Binary Search+2
1721. Swapping Nodes in a Linked List	Solve	Medium	Amazon+2	Linked List Two Pointers
1750. Minimum Length of String After Deleting Similar Ends	Solve	Medium	Goldman Sachs	String Two Pointers
1754. Largest Merge Of Two Strings	Solve	Medium	Snapchat	Greedy String+1
1755. Closest Subsequence Sum	Solve	Hard	Sprinklr+1	Array Bit Manipulation+3
1764. Form Array by Concatenating Subarrays of Another Array	Solve	Medium	Amazon	Array Greedy+2
1768. Merge Strings Alternately	Solve	Easy	Uber	String Two Pointers
1782. Count Pairs Of Nodes	Solve	Hard	Amazon	Array Binary Search+3
1793. Maximum Score of a Good Subarray	Solve	Hard	Google	Array Binary Search+3
1813. Sentence Similarity III	Solve	Medium	Google	Array String+1
1826. Faulty Sensor	Solve	Easy	Facebook	Array Two Pointers
1842. Next Palindrome Using Same Digits	Solve	Hard	Amazon+1	String Two Pointers
1850. Minimum Adjacent Swaps to Reach the Kth Smallest Number	Solve	Medium	Amazon+1	Greedy String+1
1855. Maximum Distance Between a Pair of Values	Solve	Medium	Amazon	Array Binary Search+1
1861. Rotating the Box	Solve	Medium	Capital One+3	Array Matrix+1
1868. Product of Two Run-Length Encoded Arrays	Solve	Medium	Facebook+1	Array Two Pointers
1877. Minimize Maximum Pair Sum in Array	Solve	Medium	Adobe+2	Array Greedy+2
1885. Count Pairs in Two Arrays	Solve	Medium	Google+1	Array Binary Search+2
1898. Maximum Number of Removable Characters	Solve	Medium	Alphonso	Array Binary Search+2
1961. Check If String Is a Prefix of Array	Solve	Easy	Uber	Array String+1
1963. Minimum Number of Swaps to Make the String Balanced	Solve	Medium	Apple+3	Greedy Stack+2
2000. Reverse Prefix of Word	Solve	Easy	Optum	Stack String+1
2035. Partition Array Into Two Arrays to Minimize Sum Difference	Solve	Hard	Adobe+10	Array Binary Search+5
2046. Sort Linked List Already Sorted Using Absolute Values	Solve	Medium	-	Linked List Sorting+1
2095. Delete the Middle Node of a Linked List	Solve	Medium	Adobe+1	Linked List Two Pointers