Problems

3,898+ problems · 938 Easy · 2039 Medium · 921 Hard

Active:Hard· 918 results

Title	Solution	Practice	Difficulty	Companies	Topics
3562. Maximum Profit from Trading Stocks with Discounts	Solution	Solve	Hard	Google+1	Array Depth-First Search+2
3553. Minimum Weighted Subgraph With the Required Paths II	Solution	Solve	Hard	-	Array Bit Manipulation+3
3534. Path Existence Queries in a Graph II	Solution	Solve	Hard	Google	Array Binary Search+6
3539. Find Sum of Array Product of Magical Sequences	Solution	Solve	Hard	Infosys+1	Array Bit Manipulation+4
3548. Equal Sum Grid Partition II	Solution	Solve	Hard	-	Array Enumeration+3
3547. Maximum Sum of Edge Values in a Graph	Solution	Solve	Hard	Bloomberg	Graph Greedy+1
3559. Number of Ways to Assign Edge Weights II	Solution	Solve	Hard	-	Array Bit Manipulation+4
3533. Concatenated Divisibility	Solution	Solve	Hard	Meta	Array Bit Manipulation+2
3525. Find X Value of Array II	Solution	Solve	Hard	Rubrik	Array Math+1
3538. Merge Operations for Minimum Travel Time	Solution	Solve	Hard	Google	Array Dynamic Programming+1
3515. Shortest Path in a Weighted Tree	Solution	Solve	Hard	Juspay	Array Binary Indexed Tree+3
3530. Maximum Profit from Valid Topological Order in DAG	Solution	Solve	Hard	-	Array Bit Manipulation+4
3506. Find Time Required to Eliminate Bacterial Strains	Solution	Solve	Hard	-	Array Greedy+2
3518. Smallest Palindromic Rearrangement II	Solution	Solve	Hard	-	Combinatorics Counting+3
3519. Count Numbers with Non-Decreasing Digits	Solution	Solve	Hard	-	Dynamic Programming Math+1
3504. Longest Palindrome After Substring Concatenation II	Solution	Solve	Hard	Google	Dynamic Programming String+1
3501. Maximize Active Section with Trade II	Solution	Solve	Hard	-	Array Binary Search+2
3490. Count Beautiful Numbers	Solution	Solve	Hard	-	Dynamic Programming
3486. Longest Special Path II	Solution	Solve	Hard	Google	Array Depth-First Search+3
3480. Maximize Subarrays After Removing One Conflicting Pair	Solution	Solve	Hard	Amazon+4	Array Enumeration+2
3485. Longest Common Prefix of K Strings After Removal	Solution	Solve	Hard	-	Array String+1
3470. Permutations IV	Solution	Solve	Hard	-	Array Combinatorics+2
3464. Maximize the Distance Between Points on a Square	Solution	Solve	Hard	-	Array Binary Search+3
3509. Maximum Product of Subsequences With an Alternating Sum Equal to K	Solution	Solve	Hard	-	Array Dynamic Programming+1
3454. Separate Squares II	Solution	Solve	Hard	Amazon+1	Array Binary Search+2
3463. Check If Digits Are Equal in String After Operations II	Solution	Solve	Hard	ADP+1	Combinatorics Math+2
3510. Minimum Pair Removal to Sort Array II	Solution	Solve	Hard	Amazon+2	Array Doubly-Linked List+5
3474. Lexicographically Smallest Generated String	Solution	Solve	Hard	Barclays+1	Greedy String+1
3500. Minimum Cost to Divide Array Into Subarrays	Solution	Solve	Hard	-	Array Dynamic Programming+1
3449. Maximize the Minimum Game Score	Solution	Solve	Hard	Amazon+1	Array Binary Search+1
3445. Maximum Difference Between Even and Odd Frequency II	Solution	Solve	Hard	Amazon+5	Enumeration Prefix Sum+2
3416. Subsequences with a Unique Middle Mode II	Solution	Solve	Hard	-	Array Combinatorics+2
3406. Find the Lexicographically Largest String From the Box II	Solution	Solve	Hard	-	String Two Pointers
3495. Minimum Operations to Make Array Elements Zero	Solution	Solve	Hard	Axis Bank+3	Array Bit Manipulation+1
3426. Manhattan Distances of All Arrangements of Pieces	Solution	Solve	Hard	Amazon+2	Combinatorics Math
3459. Length of Longest V-Shaped Diagonal Segment	Solution	Solve	Hard	Amazon+4	Array Dynamic Programming+2
3430. Maximum and Minimum Sums of at Most Size K Subarrays	Solution	Solve	Hard	-	Array Math+2
3383. Minimum Runes to Add to Cast Spell	Solution	Solve	Hard	De Shaw	Array Breadth-First Search+4
3505. Minimum Operations to Make Elements Within K Subarrays Equal	Solution	Solve	Hard	-	Array Dynamic Programming+4
3435. Frequencies of Shortest Supersequences	Solution	Solve	Hard	PhonePe	Array Bit Manipulation+4
3399. Smallest Substring With Identical Characters II	Solution	Solve	Hard	Salesforce	Binary Search String
3441. Minimum Cost Good Caption	Solution	Solve	Hard	Fractal Analytics+1	Dynamic Programming String
3395. Subsequences with a Unique Middle Mode I	Solution	Solve	Hard	-	Array Combinatorics+2
3444. Minimum Increments for Target Multiples in an Array	Solution	Solve	Hard	-	Array Bit Manipulation+4
3448. Count Substrings Divisible By Last Digit	Solution	Solve	Hard	-	Dynamic Programming String
3385. Minimum Time to Break Locks II	Solution	Solve	Hard	Ivp	Array Depth-First Search+1
3455. Shortest Matching Substring	Solution	Solve	Hard	Amazon	Binary Search String+2
3398. Smallest Substring With Identical Characters I	Solution	Solve	Hard	Google+1	Array Binary Search+1
3382. Maximum Area Rectangle With Point Constraints II	Solution	Solve	Hard	Google+1	Array Binary Indexed Tree+4
3410. Maximize Subarray Sum After Removing All Occurrences of One Element	Solution	Solve	Hard	Google+1	Array Dynamic Programming+1