Problems

3,858+ problems · 930 Easy · 2018 Medium · 910 Hard

Active:Medium· 2018 results

Title	Solution	Practice	Difficulty	Companies	Topics
3733. Minimum Time to Complete All Deliveries	Solution	Solve	Medium	Amazon+1	Binary Search Math
3719. Longest Balanced Subarray I	Solution	Solve	Medium	Amazon+3	Array Divide and Conquer+3
3849. Maximum Bitwise XOR After Rearrangement	Solution	Solve	Medium	-	Bit Manipulation Greedy+1
3724. Minimum Operations to Transform Array	Solution	Solve	Medium	-	Array Greedy
3693. Climbing Stairs II	Solution	Solve	Medium	-	Array Dynamic Programming
3672. Sum of Weighted Modes in Subarrays	Solution	Solve	Medium	-	Array Counting+3
3702. Longest Subsequence With Non-Zero Bitwise XOR	Solution	Solve	Medium	-	Array Bit Manipulation
3825. Longest Strictly Increasing Subsequence With Non-Zero Bitwise AND	Solution	Solve	Medium	-	Array Binary Search+2
3857. Minimum Cost to Split into Ones	Solution	Solve	Medium	-	Dynamic Programming Math
3694. Distinct Points Reachable After Substring Removal	Solution	Solve	Medium	-	Hash Table Prefix Sum+2
3720. Lexicographically Smallest Permutation Greater Than Target	Solution	Solve	Medium	Amazon+1	Counting Enumeration+3
3703. Remove K-Balanced Substrings	Solution	Solve	Medium	Bloomberg+1	Simulation Stack+1
3776. Minimum Moves to Balance Circular Array	Solution	Solve	Medium	Bloomberg	Array Greedy+1
3698. Split Array With Minimum Difference	Solution	Solve	Medium	Google	Array Prefix Sum
3853. Merge Close Characters	Solution	Solve	Medium	-	Hash Table String
3656. Determine if a Simple Graph Exists	Solution	Solve	Medium	-	Array Binary Search+3
3689. Maximum Total Subarray Value I	Solution	Solve	Medium	-	Array Greedy
3708. Longest Fibonacci Subarray	Solution	Solve	Medium	-	Array
3676. Count Bowl Subarrays	Solution	Solve	Medium	Amazon+1	Array Monotonic Stack+1
3675. Minimum Operations to Transform String	Solution	Solve	Medium	-	Greedy String
3641. Longest Semi-Repeating Subarray	Solution	Solve	Medium	-	Array Hash Table+1
3680. Generate Schedule	Solution	Solve	Medium	-	Array Greedy+1
3647. Maximum Weight in Two Bags	Solution	Solve	Medium	-	Array Dynamic Programming
3742. Maximum Path Score in a Grid	Solution	Solve	Medium	-	Array Dynamic Programming+1
3660. Jump Game IX	Solution	Solve	Medium	Medianet	Array Dynamic Programming
3652. Best Time to Buy and Sell Stock using Strategy	Solution	Solve	Medium	Amazon+4	Array Prefix Sum+1
3659. Partition Array Into K-Distinct Groups	Solution	Solve	Medium	Google	Array Counting+1
3653. XOR After Range Multiplication Queries I	Solution	Solve	Medium	Infosys	Array Divide and Conquer+1
3631. Sort Threats by Severity and Exploitability	Solution	Solve	Medium	-	Array Sorting
3635. Earliest Finish Time for Land and Water Rides II	Solution	Solve	Medium	-	Array Binary Search+3
3654. Minimum Sum After Divisible Sum Deletions	Solution	Solve	Medium	-	Array Dynamic Programming+2
3649. Number of Perfect Pairs	Solution	Solve	Medium	Atlassian+4	Array Math+2
3616. Number of Student Replacements	Solution	Solve	Medium	-	Array Simulation
3645. Maximum Total from Optimal Activation Order	Solution	Solve	Medium	Amazon+1	Array Greedy+3
3634. Minimum Removals to Balance Array	Solution	Solve	Medium	Amazon+2	Array Binary Search+2
3638. Maximum Balanced Shipments	Solution	Solve	Medium	Amazon	Array Dynamic Programming+3
3679. Minimum Discards to Balance Inventory	Solution	Solve	Medium	-	Array Counting+3
3644. Maximum K to Sort a Permutation	Solution	Solve	Medium	Amazon	Array Bit Manipulation
3610. Minimum Number of Primes to Sum to Target	Solution	Solve	Medium	Amazon	Array Dynamic Programming+2
3628. Maximum Number of Subsequences After One Inserting	Solution	Solve	Medium	De Shaw	Dynamic Programming Greedy+2
3669. Balanced K-Factor Decomposition	Solution	Solve	Medium	Amazon+1	Backtracking Math+1
3755. Find Maximum Balanced XOR Subarray Length	Solution	Solve	Medium	-	Array Bit Manipulation+2
3648. Minimum Sensors to Cover Grid	Solution	Solve	Medium	Amazon+3	Math
3639. Minimum Time to Activate String	Solution	Solve	Medium	Amazon	Array Binary Search
3665. Twisted Mirror Path Count	Solution	Solve	Medium	Google+1	Array Dynamic Programming+1
3618. Split Array by Prime Indices	Solution	Solve	Medium	-	Array Math+1
3595. Once Twice	Solution	Solve	Medium	-	Array Bit Manipulation
3629. Minimum Jumps to Reach End via Prime Teleportation	Solution	Solve	Medium	Uber	Array Breadth-First Search+3
3612. Process String with Special Operations I	Solution	Solve	Medium	Amazon	Simulation String
3690. Split and Merge Array Transformation	Solution	Solve	Medium	Meta	Array Breadth-First Search+1