Problems

4,034+ problems · 962 Easy · 2104 Medium · 968 Hard

Active:Premium· 782 results

Title	Solution	Practice	Difficulty	Companies	Topics
3400. Maximum Number of Matching Indices After Right Shifts	Solution	Solve	Medium	-	Array Simulation+1
3391. Design a 3D Binary Matrix with Efficient Layer Tracking	Solution	Solve	Medium	Amdocs	Array Design+4
3383. Minimum Runes to Add to Cast Spell	Solution	Solve	Hard	De Shaw	Array Breadth-First Search+4
3422. Minimum Operations to Make Subarray Elements Equal	Solution	Solve	Medium	-	Array Hash Table+3
3385. Minimum Time to Break Locks II	Solution	Solve	Hard	Ivp	Array Depth-First Search+1
3879. Maximum Distinct Path Sum in a Binary Tree	Solution	Solve	Medium	-
3888. Minimum Operations to Make All Grid Elements Equal	Solution	Solve	Hard	-
3893. Maximum Team Size with Overlapping Intervals	Solution	Solve	Medium	Agoda+1
3902. Zigzag Level Sum of Binary Tree	Solution	Solve	Medium	-
3907. Count Smaller Elements With Opposite Parity	Solution	Solve	Medium	-
3916. Number of ZigZag Arrays III	Solution	Solve	Hard	-
3929. Minimum Partition Score II	Solution	Solve	Hard	-
3930. Power Update After K-th Largest Insertion II	Solution	Solve	Hard	-
3935. Power Update After K-th Largest Insertion I	Solution	Solve	Medium	Google
3944. Minimum Operations to Make Array Modulo Alternating II	Solution	Solve	Hard	-
3949. Subtree Inversion Sum II	Solution	Solve	Hard	-
3958. Minimum Cost to Split into Ones II	Solution	Solve	Medium	-
3972. Valid Subarrays With Matching Sum Digits II	Solution	Solve	Hard	-
3967. Finish Time of Tasks II	Solution	Solve	Hard	-
3973. Distinct Gate Paths to LCA	Solution	Solve	Hard	-
3990. Create Grid With Exactly K Paths II	Solution	Solve	Hard	-
3991. Sort Array Using Prefix Reversals	Solution	Solve	Medium	-
4005. Minimum Operations to Make Array Equal III	Solution	Solve	Hard	-
4004. Minimum Moves to Balance Circular Array II	Solution	Solve	Hard	-
4018. Total Sum of Interaction Cost in Tree Groups II	Solution	Solve	Hard	-
4019. Merge Close Characters II	Solution	Solve	Medium	-
4029. Minimum Operations to Make a Rotated Palindrome II	Solution	Solve	Hard	-
4030. Elevator Requests IV	Solution	Solve	Easy	-
4028. Minimum Operations to Make a Rotated Palindrome II	Solution	Solve	Hard	-
4042. Valid K-Unique Subarrays II	Solution	Solve	Hard	-
4047. Minimum Operations to Make XOR of All Elements Zero	Solution	Solve	Hard	-
4060. Count Evenly Good Integers	Solution	Solve	Hard	-