3800–3899

Problems in this range: 100

• 3800. Minimum Cost to Make Two Binary Strings Equal
• 3801. Minimum Cost to Merge Sorted Lists
• 3802. Number of Ways to Paint Sheets 🔒
• 3803. Count Residue Prefixes
• 3804. Number of Centered Subarrays
• 3805. Count Caesar Cipher Pairs
• 3806. Maximum Bitwise AND After Increment Operations
• 3807. Minimum Cost to Repair Edges to Traverse a Graph 🔒
• 3808. Find Emotionally Consistent Users
• 3809. Best Reachable Tower
• 3810. Minimum Operations to Reach Target Array
• 3811. Number of Alternating XOR Partitions
• 3812. Minimum Edge Toggles on a Tree
• 3813. Vowel-Consonant Score
• 3814. Maximum Capacity Within Budget
• 3815. Design Auction System
• 3816. Lexicographically Smallest String After Deleting Duplicate Characters
• 3817. Good Indices in a Digit String 🔒
• 3818. Minimum Prefix Removal to Make Array Strictly Increasing
• 3819. Rotate Non Negative Elements
• 3820. Pythagorean Distance Nodes in a Tree
• 3821. Find Nth Smallest Integer With K One Bits
• 3822. Design Order Management System 🔒
• 3823. Reverse Letters Then Special Characters in a String
• 3824. Minimum K to Reduce Array Within Limit
• 3825. Longest Strictly Increasing Subsequence With Non-Zero Bitwise AND
• 3826. Minimum Partition Score
• 3827. Count Monobit Integers
• 3828. Final Element After Subarray Deletions
• 3829. Design Ride Sharing System
• 3830. Longest Alternating Subarray After Removing At Most One Element
• 3831. Median of a Binary Search Tree Level 🔒
• 3832. Find Users with Persistent Behavior Patterns
• 3833. Count Dominant Indices
• 3834. Merge Adjacent Equal Elements
• 3835. Count Subarrays With Cost Less Than or Equal to K
• 3836. Maximum Score Using Exactly K Pairs
• 3837. Delayed Count of Equal Elements 🔒
• 3838. Weighted Word Mapping
• 3839. Number of Prefix Connected Groups
• 3840. House Robber V
• 3841. Palindromic Path Queries in a Tree
• 3842. Toggle Light Bulbs
• 3843. First Element with Unique Frequency
• 3844. Longest Almost-Palindromic Substring
• 3845. Maximum Subarray XOR with Bounded Range
• 3846. Total Distance to Type a String Using One Finger 🔒
• 3847. Find the Score Difference in a Game
• 3848. Check Digitorial Permutation
• 3849. Maximum Bitwise XOR After Rearrangement
• 3850. Count Sequences to K
• 3851. Maximum Requests Without Violating the Limit 🔒
• 3852. Smallest Pair With Different Frequencies
• 3853. Merge Close Characters
• 3854. Minimum Operations to Make Array Parity Alternating
• 3855. Sum of K-Digit Numbers in a Range
• 3856. Trim Trailing Vowels
• 3857. Minimum Cost to Split into Ones
• 3858. Minimum Bitwise OR From Grid
• 3859. Count Subarrays With K Distinct Integers
• 3860. Unique Email Groups 🔒
• 3861. Minimum Capacity Box
• 3862. Find the Smallest Balanced Index
• 3863. Minimum Operations to Sort a String
• 3864. Minimum Cost to Partition a Binary String
• 3865. Reverse K Subarrays 🔒
• 3866. First Unique Even Element
• 3867. Sum of GCD of Formed Pairs
• 3868. Minimum Cost to Equalize Arrays Using Swaps
• 3869. Count Fancy Numbers in a Range
• 3870. Count Commas in Range
• 3871. Count Commas in Range II
• 3872. Longest Arithmetic Sequence After Changing At Most One Element
• 3873. Maximum Points Activated with One Addition
• 3874. Valid Subarrays With Exactly One Peak 🔒
• 3875. Construct Uniform Parity Array I
• 3876. Construct Uniform Parity Array II
• 3877. Minimum Removals to Achieve Target XOR
• 3878. Count Good Subarrays
• 3879. Maximum Distinct Path Sum in a Binary Tree 🔒
• 3880. Minimum Absolute Difference Between Two Values
• 3881. Direction Assignments with Exactly K Visible People
• 3882. Minimum XOR Path in a Grid
• 3883. Count Non Decreasing Arrays With Given Digit Sums
• 3884. First Matching Character From Both Ends
• 3885. Design Event Manager
• 3886. Sum of Sortable Integers
• 3887. Incremental Even-Weighted Cycle Queries
• 3888. Minimum Operations to Make All Grid Elements Equal 🔒
• 3889. Mirror Frequency Distance
• 3890. Integers With Multiple Sum of Two Cubes
• 3891. Minimum Increase to Maximize Special Indices
• 3892. Minimum Operations to Achieve At Least K Peaks
• 3893. Maximum Team Size with Overlapping Intervals 🔒
• 3894. Traffic Signal Color
• 3895. Count Digit Appearances
• 3896. Minimum Operations to Transform Array into Alternating Prime
• 3897. Maximum Value of Concatenated Binary Segments
• 3898. Find the Degree of Each Vertex
• 3899. Angles of a Triangle