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
2105. Watering Plants II	Solve	Medium	Google	Array Simulation+1
2108. Find First Palindromic String in the Array	Solve	Easy	Amazon+1	Array String+1
2109. Adding Spaces to a String	Solve	Medium	Amazon	Array Simulation+2
2122. Recover the Original Array	Solve	Hard	Google	Array Enumeration+3
2130. Maximum Twin Sum of a Linked List	Solve	Medium	Amazon	Linked List Stack+1
2149. Rearrange Array Elements by Sign	Solve	Medium	Amazon	Array Simulation+1
2161. Partition Array According to Given Pivot	Solve	Medium	Amazon	Array Simulation+1
2193. Minimum Number of Moves to Make Palindrome	Solve	Hard	Amazon+2	Binary Indexed Tree Greedy+2
2200. Find All K-Distant Indices in an Array	Solve	Easy	Google	Array Two Pointers
2234. Maximum Total Beauty of the Gardens	Solve	Hard	Amazon+1	Array Binary Search+3
2300. Successful Pairs of Spells and Potions	Solve	Medium	Goldman Sachs	Array Binary Search+2
2330. Valid Palindrome IV	Solve	Medium	Amazon	String Two Pointers
2332. The Latest Time to Catch a Bus	Solve	Medium	Google+1	Array Binary Search+2
2337. Move Pieces to Obtain a String	Solve	Medium	Amazon+1	String Two Pointers
2367. Number of Arithmetic Triplets	Solve	Easy	-	Array Enumeration+2
2396. Strictly Palindromic Number	Solve	Medium	Amazon+1	Brainteaser Math+1
2406. Divide Intervals Into Minimum Number of Groups	Solve	Medium	Adobe+2	Array Greedy+4
2410. Maximum Matching of Players With Trainers	Solve	Medium	Amazon	Array Greedy+2
2422. Merge Operations to Turn Array Into a Palindrome	Solve	Medium	Accolite+3	Array Greedy+1
2441. Largest Positive Integer That Exists With Its Negative	Solve	Easy	Microsoft	Array Hash Table+2
2460. Apply Operations to an Array	Solve	Easy	Amazon	Array Simulation+1
2462. Total Cost to Hire K Workers	Solve	Medium	Mathworks	Array Heap (Priority Queue)+2
2465. Number of Distinct Averages	Solve	Easy	Amazon	Array Hash Table+2
2472. Maximum Number of Non-overlapping Palindrome Substrings	Solve	Hard	LinkedIn+2	Dynamic Programming Greedy+2
2486. Append Characters to String to Make Subsequence	Solve	Medium	Amazon	Greedy String+1
2491. Divide Players Into Teams of Equal Skill	Solve	Medium	Expedia+1	Array Hash Table+2
2503. Maximum Number of Points From Grid Queries	Solve	Hard	JPMorgan	Array Breadth-First Search+5
2511. Maximum Enemy Forts That Can Be Captured	Solve	Easy	-	Array Two Pointers
2540. Minimum Common Value	Solve	Easy	Apple+1	Array Binary Search+2
2562. Find the Array Concatenation Value	Solve	Easy	IBM	Array Simulation+1
2563. Count the Number of Fair Pairs	Solve	Medium	Salesforce	Array Binary Search+2
2565. Subsequence With the Minimum Score	Solve	Hard	DoorDash+1	Binary Search String+1
2570. Merge Two 2D Arrays by Summing Values	Solve	Easy	Google	Array Hash Table+1
2576. Find the Maximum Number of Marked Indices	Solve	Medium	-	Array Binary Search+3
2592. Maximize Greatness of an Array	Solve	Medium	Twilio	Array Greedy+2
2604. Minimum Time to Eat All Grains	Solve	Hard	Confluent	Array Binary Search+2
2674. Split a Circular Linked List	Solve	Medium	-	Linked List Two Pointers
2697. Lexicographically Smallest Palindrome	Solve	Easy	-	Greedy String+1
2824. Count Pairs Whose Sum is Less than Target	Solve	Easy	Amazon+1	Array Binary Search+2
2825. Make String a Subsequence Using Cyclic Increments	Solve	Medium	Amazon	String Two Pointers
2838. Maximum Coins Heroes Can Collect	Solve	Medium	Deutsche Bank	Array Binary Search+3
2856. Minimum Array Length After Pair Removals	Solve	Medium	Snowflake	Array Binary Search+4
2868. The Wording Game	Solve	Hard	-	Array Game Theory+4
2903. Find Indices With Index and Value Difference I	Solve	Easy	PayTM	Array Two Pointers
2905. Find Indices With Index and Value Difference II	Solve	Medium	PayTM	Array Two Pointers
2911. Minimum Changes to Make K Semi-palindromes	Solve	Hard	-	Dynamic Programming String+1
2938. Separate Black and White Balls	Solve	Medium	1Kosmos	Greedy String+1
2970. Count the Number of Incremovable Subarrays I	Solve	Easy	Apple	Array Binary Search+2
2972. Count the Number of Incremovable Subarrays II	Solve	Hard	Apple	Array Binary Search+1
3006. Find Beautiful Indices in the Given Array I	Solve	Medium	-	Binary Search Hash Function+4