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1396 problems

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Problem	Difficulty	Frequency	Topics
2742. Painting the Walls	Hard	5%	ArrayDynamic Programming
1326. Minimum Number of Taps to Open to Water a Garden	Hard	5%	ArrayDynamic ProgrammingGreedy
2259. Remove Digit From Number to Maximize Result	Easy	5%	StringGreedyEnumeration
Longest Uncommon Subsequence I	Easy	5%	String
1007. Minimum Domino Rotations For Equal Row	Medium	5%	ArrayGreedy
2901. Longest Unequal Adjacent Groups Subsequence II	Medium	5%	ArrayStringDynamic Programming
3341. Find Minimum Time to Reach Last Room I	Medium	5%	ArrayGraph TheoryHeap (Priority Queue)MatrixShortest Path
2131. Longest Palindrome by Concatenating Two Letter Words	Medium	5%	ArrayHash TableStringGreedyCounting
1850. Minimum Adjacent Swaps to Reach the Kth Smallest Number	Medium	5%	Two PointersStringGreedy
Clone Binary Tree With Random Pointer	Medium	5%	Hash TableTreeDepth-First SearchBreadth-First SearchBinary Tree
Kth Smallest Number in Multiplication Table	Hard	5%	MathBinary Search
Bitwise AND of Numbers Range	Medium	5%	Bit Manipulation
3442. Maximum Difference Between Even and Odd Frequency I	Easy	5%	Hash TableStringCounting
926. Flip String to Monotone Increasing	Medium	5%	StringDynamic Programming
3576. Transform Array to All Equal Elements	Medium	5%	ArrayGreedy
1432. Max Difference You Can Get From Changing an Integer	Medium	5%	MathGreedy
3405. Count the Number of Arrays with K Matching Adjacent Elements	Hard	5%	MathCombinatoricsFermat's Little Theorem
2966. Divide Array Into Arrays With Max Difference	Medium	5%	ArrayGreedySorting
3443. Maximum Manhattan Distance After K Changes	Medium	5%	Hash TableMathStringCounting
2477. Minimum Fuel Cost to Report to the Capital	Medium	5%	TreeDepth-First SearchBreadth-First SearchGraph Theory
3282. Reach End of Array With Max Score	Medium	5%	ArrayGreedy
Find Duplicate Subtrees	Medium	5%	Hash TableTreeDepth-First SearchBinary Tree
2007. Find Original Array From Doubled Array	Medium	5%	ArrayHash TableGreedySorting
2787. Ways to Express an Integer as Sum of Powers	Medium	5%	Dynamic Programming
866. Prime Palindrome	Medium	5%	MathNumber TheoryPrimality Test