Problems

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

Active:Medium· 2018 results

Title	Solution	Practice	Difficulty	Companies	Topics
3780. Maximum Sum of Three Numbers Divisible by Three	Solution	Solve	Medium	Amazon	Array Greedy+2
3775. Reverse Words With Same Vowel Count	Solution	Solve	Medium	-	Simulation String+1
3800. Minimum Cost to Make Two Binary Strings Equal	Solution	Solve	Medium	-	Greedy String
3773. Maximum Number of Equal Length Runs	Solution	Solve	Medium	-	Counting Hash Table+1
3795. Minimum Subarray Length With Distinct Sum At Least K	Solution	Solve	Medium	-	Array Hash Table+1
3758. Convert Number Words to Digits	Solution	Solve	Medium	-	String Trie
3789. Minimum Cost to Acquire Required Items	Solution	Solve	Medium	-	Greedy Math
3771. Total Score of Dungeon Runs	Solution	Solve	Medium	-	Array Binary Search+1
3811. Number of Alternating XOR Partitions	Solution	Solve	Medium	-	Array Bit Manipulation+2
3759. Count Elements With at Least K Greater Values	Solution	Solve	Medium	-	Array Binary Search+3
3761. Minimum Absolute Distance Between Mirror Pairs	Solution	Solve	Medium	-	Array Hash Table+1
3784. Minimum Deletion Cost to Make All Characters Equal	Solution	Solve	Medium	-	Array Enumeration+2
3839. Number of Prefix Connected Groups	Solution	Solve	Medium	-	Array Counting+2
3756. Concatenate Non-Zero Digits and Multiply by Sum II	Solution	Solve	Medium	Google	Math Prefix Sum+1
3781. Maximum Score After Binary Swaps	Solution	Solve	Medium	Amazon	Array Greedy+2
3804. Number of Centered Subarrays	Solution	Solve	Medium	-	Array Enumeration+1
3778. Minimum Distance Excluding One Maximum Weighted Edge	Solution	Solve	Medium	-
3828. Final Element After Subarray Deletions	Solution	Solve	Medium	-	Array Brainteaser+2
3741. Minimum Distance Between Three Equal Elements II	Solution	Solve	Medium	-	Array Hash Table
3829. Design Ride Sharing System	Solution	Solve	Medium	Meta	Data Stream Design+2
3744. Find Kth Character in Expanded String	Solution	Solve	Medium	-	String
3730. Maximum Calories Burnt from Jumps	Solution	Solve	Medium	Amazon	Array Greedy+2
3717. Minimum Operations to Make the Array Beautiful	Solution	Solve	Medium	-	Array Dynamic Programming
3732. Maximum Product of Three Elements After One Replacement	Solution	Solve	Medium	Meta	Array Greedy+2
3765. Complete Prime Number	Solution	Solve	Medium	-	Enumeration Math+1
3766. Minimum Operations to Make Binary Palindrome	Solution	Solve	Medium	Teradata	Array Binary Search+2
3738. Longest Non-Decreasing Subarray After Replacing at Most One Element	Solution	Solve	Medium	Google	Array Dynamic Programming
3877. Minimum Removals to Achieve Target XOR	Solution	Solve	Medium	-	Array Bit Manipulation+1
3746. Minimum String Length After Balanced Removals	Solution	Solve	Medium	-	Counting Stack+1
3767. Maximize Points After Choosing K Tasks	Solution	Solve	Medium	Amazon	Array Greedy+2
3760. Maximum Substrings With Distinct Start	Solution	Solve	Medium	-	Hash Table String
3770. Largest Prime from Consecutive Prime Sum	Solution	Solve	Medium	Google+1	Array Math+1
3723. Maximize Sum of Squares of Digits	Solution	Solve	Medium	-	Greedy Math
3728. Stable Subarrays With Equal Boundary and Interior Sum	Solution	Solve	Medium	Amazon+1	Array Hash Table+1
3711. Maximum Transactions Without Negative Balance	Solution	Solve	Medium	Paytm	Array Greedy+1
3814. Maximum Capacity Within Budget	Solution	Solve	Medium	Amazon+1	Array Binary Search+2
3727. Maximum Alternating Sum of Squares	Solution	Solve	Medium	-	Array Greedy+1
3752. Lexicographically Smallest Negated Permutation that Sums to Target	Solution	Solve	Medium	Amazon	Array Greedy+3
3737. Count Subarrays With Majority Element I	Solution	Solve	Medium	-	Array Counting+5
3722. Lexicographically Smallest String After Reverse	Solution	Solve	Medium	-	Binary Search Enumeration+1
3799. Word Squares II	Solution	Solve	Medium	Oracle	Array Backtracking+3
3706. Maximum Distance Between Unequal Words in Array II	Solution	Solve	Medium	-	Array String
3815. Design Auction System	Solution	Solve	Medium	Google	Design Hash Table+2
3840. House Robber V	Solution	Solve	Medium	-	Array Dynamic Programming
3709. Design Exam Scores Tracker	Solution	Solve	Medium	Meesho	Array Binary Search+2
3751. Total Waviness of Numbers in Range I	Solution	Solve	Medium	Google	Dynamic Programming Enumeration+1
3714. Longest Balanced Substring II	Solution	Solve	Medium	Amazon+5	Hash Table Prefix Sum+1
3713. Longest Balanced Substring I	Solution	Solve	Medium	Amazon+3	Counting Enumeration+2
3747. Count Distinct Integers After Removing Zeros	Solution	Solve	Medium	Google	Dynamic Programming Math
3682. Minimum Index Sum of Common Elements	Solution	Solve	Medium	-	Array Hash Table