Pinned Summary - My Time Machine Posted on September 1, 2006 3992 - Rearrange String to Avoid Character Pair Posted on August 29, 2026 3991 - Sort Array Using Prefix Reversals Posted on August 29, 2026 3990 - Create Grid With Exactly K Paths II Posted on August 28, 2026 3989 - Maximum Consistent Columns in a Grid Posted on August 26, 2026 3988 - Create Grid With Exactly K Paths I Posted on August 25, 2026 3987 - Minimum Total Cost to Process All Elements Posted on August 24, 2026 3986 - Number of Elapsed Seconds Between Two Times Posted on August 23, 2026 3985 - Palindromic Subarray Sum Posted on August 22, 2026 3984 - Divisible Game Posted on August 21, 2026 3983 - Subsequence After One Replacement Posted on August 20, 2026 3982 - Sum of Integers with Maximum Digit Range Posted on August 19, 2026 3981 - Count Distinct Ways to Form Target from Two Strings Posted on August 18, 2026 3980 - Minimum Operations to Transform Binary String Posted on August 17, 2026 3979 - Maximum Valid Pair Sum Posted on August 16, 2026 3978 - Unique Middle Element Posted on August 15, 2026 3977 - Minimum Time to Reach Target With Limited Power Posted on August 14, 2026 3976 - Maximum Subarray Sum After Multiplier Posted on August 13, 2026 3975 - Filter Occupied Intervals Posted on August 12, 2026 3974 - Maximum Total Sum of K Selected Elements Posted on August 11, 2026 3973 - Distinct Gate Paths to LCA Posted on August 10, 2026 3972 - Valid Subarrays With Matching Sum Digits II Posted on August 9, 2026 3971 - Maximum Total Value Posted on August 8, 2026 3970 - Shortest Path With At Most K Consecutive Identical Characters Posted on August 7, 2026 3969 - Valid Subarrays With Matching Sum Digits I Posted on August 5, 2026 3968 - Maximum Manhattan Distance After All Moves Posted on August 4, 2026 3967 - Finish Time of Tasks II Posted on August 3, 2026 3966 - Count Good Integers in a Range Posted on August 2, 2026 3965 - Finish Time of Tasks I Posted on August 1, 2026 3964 - Minimum Lights to Illuminate a Road Posted on July 31, 2026 3963 - Create Grid With Exactly One Path Posted on July 30, 2026 3962 - Maximum Subarray Sum After at Most K Swaps Posted on July 29, 2026 3961 - Maximize Sum of Device Ratings Posted on July 28, 2026 3960 - Frequency Balance Subarray Posted on July 27, 2026 3959 - Check Good Integer Posted on July 26, 2026 3958 - Minimum Cost to Split into Ones II Posted on July 25, 2026 3957 - Maximum Sum of M Non-Overlapping Subarrays II Posted on July 24, 2026 3956 - Maximum Sum of M Non-Overlapping Subarrays I Posted on July 23, 2026 3955 - Valid Binary Strings With Cost Limit Posted on July 22, 2026 3954 - Sum of Compatible Numbers in Range I Posted on July 21, 2026 3953 - Maximum Score with Co-Prime Element Posted on July 20, 2026 3952 - Maximum Total Value of Covered Indices Posted on July 19, 2026 3951 - Minimum Energy to Maintain Brightness Posted on July 18, 2026 3950 - Exactly One Consecutive Set Bits Pair Posted on July 17, 2026 3949 - Subtree Inversion Sum II Posted on July 16, 2026 3948 - Lexicographically Maximum MEX Array Posted on July 15, 2026 3947 - Maximum Number of Items From Sale II Posted on July 14, 2026 3946 - Maximum Number of Items From Sale I Posted on July 13, 2026 3945 - Digit Frequency Score Posted on July 12, 2026 3944 - Minimum Operations to Make Array Modulo Alternating II Posted on July 11, 2026 3943 - Number of Pairs After Increment Posted on July 10, 2026 3942 - Minimum Operations to Sort a Permutation Posted on July 9, 2026 3941 - Password Strength Posted on July 8, 2026 3940 - Limit Occurrences in Sorted Array Posted on July 7, 2026 3939 - Count Non Adjacent Subsets in a Rooted Tree Posted on July 6, 2026 3938 - Maximum Path Intersection Sum in a Grid Posted on July 5, 2026 3937 - Minimum Operations to Make Array Modulo Alternating I Posted on July 4, 2026 3936 - Minimum Swaps to Move Zeros to End Posted on July 3, 2026 3935 - Power Update After K-th Largest Insertion I Posted on July 2, 2026 3934 - Smallest Unique Subarray Posted on July 1, 2026 3933 - Largest Local Values in a Matrix II Posted on June 30, 2026 3932 - Count K-th Roots in a Range Posted on June 29, 2026 3931 - Check Adjacent Digit Differences Posted on June 28, 2026 3930 - Power Update After K-th Largest Insertion II Posted on June 27, 2026 3929 - Minimum Partition Score II Posted on June 26, 2026 3928 - Minimum Cost to Buy Apples II Posted on June 25, 2026 3927 - Minimize Array Sum Using Divisible Replacements Posted on June 24, 2026 3926 - Count Valid Word Occurrences Posted on June 23, 2026 3925 - Concatenate Array With Reverse Posted on June 22, 2026 3924 - Minimum Threshold Path With Limited Heavy Edges Posted on June 21, 2026 3923 - Minimum Generations to Target Point Posted on June 20, 2026 3922 - Minimum Flips to Make Binary String Coherent Posted on June 19, 2026 3921 - Score Validator Posted on June 18, 2026 3920 - Maximize Fixed Points After Deletions Posted on June 17, 2026 3919 - Minimum Cost to Move Between Indices Posted on June 16, 2026 3918 - Sum of Primes Between Number and Its Reverse Posted on June 15, 2026 3917 - Count Indices With Opposite Parity Posted on June 14, 2026 3916 - Number of ZigZag Arrays III Posted on June 13, 2026 3915 - Maximum Sum of Alternating Subsequence With Distance at Least K Posted on June 12, 2026 3914 - Minimum Operations to Make Array Non Decreasing Posted on June 11, 2026 3913 - Sort Vowels by Frequency Posted on June 10, 2026 3912 - Valid Elements in an Array Posted on June 9, 2026 3911 - K-th Smallest Remaining Even Integer in Subarray Queries Posted on June 8, 2026 3910 - Count Connected Subgraphs with Even Node Sum Posted on June 7, 2026 3909 - Compare Sums of Bitonic Parts Posted on June 6, 2026 3908 - Valid Digit Number Posted on June 5, 2026 3907 - Count Smaller Elements With Opposite Parity Posted on June 4, 2026 3906 - Count Good Integers on a Grid Path Posted on June 3, 2026 3905 - Multi Source Flood Fill Posted on June 2, 2026 3904 - Smallest Stable Index II Posted on June 1, 2026 3903 - Smallest Stable Index I Posted on May 31, 2026 3902 - Zigzag Level Sum of Binary Tree Posted on May 30, 2026 3901 - Good Subsequence Queries Posted on May 29, 2026 3900 - Longest Balanced Substring After One Swap Posted on May 28, 2026 3899 - Angles of a Triangle Posted on May 27, 2026 3898 - Find the Degree of Each Vertex Posted on May 26, 2026 3897 - Maximum Value of Concatenated Binary Segments Posted on May 25, 2026 3896 - Minimum Operations to Transform Array into Alternating Prime Posted on May 24, 2026 3895 - Count Digit Appearances Posted on May 23, 2026 3894 - Traffic Signal Color Posted on May 22, 2026 3893 - Maximum Team Size with Overlapping Intervals

Posted on May 21, 2026 3892 - Minimum Operations to Achieve At Least K Peaks Posted on May 20, 2026 3891 - Minimum Increase to Maximize Special Indices Posted on May 19, 2026 3890 - Integers With Multiple Sum of Two Cubes Posted on May 18, 2026 3889 - Mirror Frequency Distance Posted on May 17, 2026 3888 - Minimum Operations to Make All Grid Elements Equal Posted on May 16, 2026 3887 - Incremental Even-Weighted Cycle Queries Posted on May 15, 2026 3886 - Sum of Sortable Integers Posted on May 14, 2026 3885 - Design Event Manager Posted on May 13, 2026 3884 - First Matching Character From Both Ends Posted on May 12, 2026 3883 - Count Non Decreasing Arrays With Given Digit Sums Posted on May 11, 2026 3882 - Minimum XOR Path in a Grid Posted on May 10, 2026 3881 - Direction Assignments with Exactly K Visible People Posted on May 9, 2026 3880 - Minimum Absolute Difference Between Two Values Posted on May 8, 2026 3879 - Maximum Distinct Path Sum in a Binary Tree Posted on May 7, 2026 3878 - Count Good Subarrays Posted on May 6, 2026 3877 - Minimum Removals to Achieve Target XOR Posted on May 5, 2026 3876 - Construct Uniform Parity Array II Posted on May 4, 2026 3875 - Construct Uniform Parity Array I Posted on May 3, 2026 3874 - Valid Subarrays With Exactly One Peak Posted on May 2, 2026 3873 - Maximum Points Activated with One Addition Posted on May 1, 2026 3872 - Longest Arithmetic Sequence After Changing At Most One Element Posted on April 30, 2026 3871 - Count Commas in Range II Posted on April 29, 2026 3870 - Count Commas in Range Posted on April 28, 2026 3869 - Count Fancy Numbers in a Range Posted on April 27, 2026 3868 - Minimum Cost to Equalize Arrays Using Swaps Posted on April 26, 2026 3867 - Sum of GCD of Formed Pairs Posted on April 25, 2026 3866 - First Unique Even Element Posted on April 24, 2026 3865 - Reverse K Subarrays Posted on April 23, 2026 3864 - Minimum Cost to Partition a Binary String Posted on April 22, 2026 3863 - Minimum Operations to Sort a String Posted on April 21, 2026 3862 - Find the Smallest Balanced Index Posted on April 20, 2026 3861 - Minimum Capacity Box Posted on April 19, 2026 3860 - Unique Email Groups Posted on April 18, 2026 3859 - Count Subarrays With K Distinct Integers Posted on April 17, 2026 3858 - Minimum Bitwise OR From Grid Posted on April 16, 2026 3857 - Minimum Cost to Split into Ones Posted on April 15, 2026 3856 - Trim Trailing Vowels Posted on April 14, 2026 3855 - Sum of K-Digit Numbers in a Range Posted on April 13, 2026 3854 - Minimum Operations to Make Array Parity Alternating Posted on April 12, 2026 3853 - Merge Close Characters Posted on April 11, 2026 3852 - Smallest Pair With Different Frequencies Posted on April 10, 2026 3851 - Maximum Requests Without Violating the Limit Posted on April 9, 2026 3850 - Count Sequences to K Posted on April 8, 2026 3849 - Maximum Bitwise XOR After Rearrangement Posted on April 7, 2026 3848 - Check Digitorial Permutation Posted on April 6, 2026 3847 - Find the Score Difference in a Game Posted on April 5, 2026 3846 - Total Distance to Type a String Using One Finger Posted on April 4, 2026 3845 - Maximum Subarray XOR with Bounded Range Posted on April 3, 2026 3844 - Longest Almost-Palindromic Substring Posted on April 2, 2026 3843 - First Element with Unique Frequency Posted on April 1, 2026 3842 - Toggle Light Bulbs Posted on March 31, 2026 3841 - Palindromic Path Queries in a Tree Posted on March 30, 2026 3840 - House Robber V Posted on March 29, 2026 3839 - Number of Prefix Connected Groups Posted on March 28, 2026 3838 - Weighted Word Mapping Posted on March 27, 2026 3837 - Delayed Count of Equal Elements Posted on March 26, 2026 3836 - Maximum Score Using Exactly K Pairs Posted on March 25, 2026 3835 - Count Subarrays With Cost Less Than or Equal to K Posted on March 24, 2026 3834 - Merge Adjacent Equal Elements Posted on March 23, 2026 3833 - Count Dominant Indices Posted on March 22, 2026 3832 - Find Users with Persistent Behavior Patterns Posted on March 21, 2026 3831 - Median of a Binary Search Tree Level Posted on March 20, 2026 3830 - Longest Alternating Subarray After Removing At Most One Element Posted on March 19, 2026 3829 - Design Ride Sharing System Posted on March 18, 2026 3828 - Final Element After Subarray Deletions Posted on March 17, 2026 3827 - Count Monobit Integers Posted on March 16, 2026 3826 - Minimum Partition Score Posted on March 15, 2026 3825 - Longest Strictly Increasing Subsequence With Non-Zero Bitwise AND Posted on March 14, 2026 3824 - Minimum K to Reduce Array Within Limit Posted on March 13, 2026 3823 - Reverse Letters Then Special Characters in a String Posted on March 12, 2026 3822 - Design Order Management System Posted on March 11, 2026 3821 - Find Nth Smallest Integer With K One Bits Posted on March 10, 2026 3820 - Pythagorean Distance Nodes in a Tree Posted on March 9, 2026 3819 - Rotate Non Negative Elements Posted on March 8, 2026 3818 - Minimum Prefix Removal to Make Array Strictly Increasing Posted on March 7, 2026 3817 - Good Indices in a Digit String Posted on March 6, 2026 3816 - Lexicographically Smallest String After Deleting Duplicate Characters Posted on March 5, 2026 3815 - Design Auction System Posted on March 4, 2026 3814 - Maximum Capacity Within Budget Posted on March 3, 2026 3813 - Vowel-Consonant Score Posted on March 2, 2026 3812 - Minimum Edge Toggles on a Tree Posted on March 1, 2026 3811 - Number of Alternating XOR Partitions Posted on February 28, 2026 3810 - Minimum Operations to Reach Target Array Posted on February 27, 2026 3809 - Best Reachable Tower Posted on February 26, 2026 3808 - Find Emotionally Consistent Users Posted on February 25, 2026 3807 - Minimum Cost to Repair Edges to Traverse a Graph Posted on February 24, 2026 3806 - Maximum Bitwise AND After Increment Operations Posted on February 23, 2026 3805 - Count Caesar Cipher Pairs Posted on February 22, 2026 3804 - Number of Centered Subarrays Posted on February 21, 2026 3803 - Count Residue Prefixes Posted on February 20, 2026 3802 - Number of Ways to Paint Sheets Posted on February 19, 2026 3801 - Minimum Cost to Merge Sorted Lists Posted on February 18, 2026 3800 - Minimum Cost to Make Two Binary Strings Equal Posted on February 17, 2026 3799 - Word Squares II Posted on February 16, 2026 3798 - Largest Even Number Posted on February 15, 2026 3797 - Count Routes to Climb a Rectangular Grid Posted on February 14, 2026 3796 - Find Maximum Value in a Constrained Sequence Posted on February 13, 2026 3795 - Minimum Subarray Length With Distinct Sum At Least K Posted on February 12, 2026 3794 - Reverse String Prefix Posted on February 11, 2026 3793 - Find Users with High Token Usage Posted on February 10, 2026