Problems

3,374+ problems · 840 Easy · 1762 Medium · 772 Hard

Title	Solution	Practice	Difficulty	Companies	Topics
3251. Find the Count of Monotonic Pairs II	Solution	Solve	Hard	-	Array Combinatorics+3
3252. Premier League Table Ranking II	Solution	Solve	Medium	-	Database
3253. Construct String with Minimum Cost (Easy)	Solution	Solve	Medium	-
3254. Find the Power of K-Size Subarrays I	Solution	Solve	Medium	-	Array Sliding Window
3255. Find the Power of K-Size Subarrays II	Solution	Solve	Medium	-	Array Sliding Window
3256. Maximum Value Sum by Placing Three Rooks I	Solution	Solve	Hard	-	Array Dynamic Programming+2
3257. Maximum Value Sum by Placing Three Rooks II	Solution	Solve	Hard	-	Array Dynamic Programming+2
3258. Count Substrings That Satisfy K-Constraint I	Solution	Solve	Easy	-	Sliding Window String
3259. Maximum Energy Boost From Two Drinks	Solution	Solve	Medium	-	Array Dynamic Programming
3260. Find the Largest Palindrome Divisible by K	Solution	Solve	Hard	-	Dynamic Programming Greedy+3
3261. Count Substrings That Satisfy K-Constraint II	Solution	Solve	Hard	-	Array Binary Search+3
3262. Find Overlapping Shifts	Solution	Solve	Medium	-	Database
3263. Convert Doubly Linked List to Array I	Solution	Solve	Easy	-	Array Doubly-Linked List+1
3264. Final Array State After K Multiplication Operations I	Solution	Solve	Easy	-	Array Heap (Priority Queue)+2
3265. Count Almost Equal Pairs I	Solution	Solve	Medium	-	Array Counting+3
3266. Final Array State After K Multiplication Operations II	Solution	Solve	Hard	-	Array Heap (Priority Queue)+1
3267. Count Almost Equal Pairs II	Solution	Solve	Hard	-	Array Counting+3
3268. Find Overlapping Shifts II	Solution	Solve	Hard	-	Database
3269. Constructing Two Increasing Arrays	Solution	Solve	Hard	-	Array Dynamic Programming
3270. Find the Key of the Numbers	Solution	Solve	Easy	-	Math
3271. Hash Divided String	Solution	Solve	Medium	-	Simulation String
3272. Find the Count of Good Integers	Solution	Solve	Hard	-	Combinatorics Enumeration+2
3273. Minimum Amount of Damage Dealt to Bob	Solution	Solve	Hard	-	Array Greedy+1
3274. Check if Two Chessboard Squares Have the Same Color	Solution	Solve	Easy	-	Math String
3275. K-th Nearest Obstacle Queries	Solution	Solve	Medium	-	Array Heap (Priority Queue)
3276. Select Cells in Grid With Maximum Score	Solution	Solve	Hard	-	Array Bit Manipulation+3
3277. Maximum XOR Score Subarray Queries	Solution	Solve	Hard	-	Array Dynamic Programming
3278. Find Candidates for Data Scientist Position II	Solution	Solve	Medium	-	Database
3279. Maximum Total Area Occupied by Pistons	Solution	Solve	Hard	-	Array Counting+4
3280. Convert Date to Binary	Solution	Solve	Easy	-	Math String
3281. Maximize Score of Numbers in Ranges	Solution	Solve	Medium	-	Array Binary Search+2
3282. Reach End of Array With Max Score	Solution	Solve	Medium	-	Array Greedy
3283. Maximum Number of Moves to Kill All Pawns	Solution	Solve	Hard	-	Array Bit Manipulation+4
3284. Sum of Consecutive Subarrays	Solution	Solve	Medium	-	Array Dynamic Programming+1
3285. Find Indices of Stable Mountains	Solution	Solve	Easy	-	Array
3286. Find a Safe Walk Through a Grid	Solution	Solve	Medium	-	Array Breadth-First Search+4
3287. Find the Maximum Sequence Value of Array	Solution	Solve	Hard	-	Array Bit Manipulation+1
3288. Length of the Longest Increasing Path	Solution	Solve	Hard	-	Array Binary Search+1
3289. The Two Sneaky Numbers of Digitville	Solution	Solve	Easy	-	Array Hash Table+1
3290. Maximum Multiplication Score	Solution	Solve	Medium	-	Array Dynamic Programming
3291. Minimum Number of Valid Strings to Form Target I	Solution	Solve	Medium	-	Array Binary Search+7
3292. Minimum Number of Valid Strings to Form Target II	Solution	Solve	Hard	-	Array Binary Search+6
3293. Calculate Product Final Price	Solution	Solve	Medium	-	Database
3294. Convert Doubly Linked List to Array II	Solution	Solve	Medium	-	Array Doubly-Linked List+1
3295. Report Spam Message	Solution	Solve	Medium	-	Array Hash Table+1
3296. Minimum Number of Seconds to Make Mountain Height Zero	Solution	Solve	Medium	-	Array Binary Search+3
3297. Count Substrings That Can Be Rearranged to Contain a String I	Solution	Solve	Medium	-	Hash Table Sliding Window+1
3298. Count Substrings That Can Be Rearranged to Contain a String II	Solution	Solve	Hard	-	Hash Table Sliding Window+1
3299. Sum of Consecutive Subsequences	Solution	Solve	Hard	-	Array Dynamic Programming+1
3300. Minimum Element After Replacement With Digit Sum	Solution	Solve	Easy	-	Array Math