2000–2099
Problems in this range: 100
- 2000. Reverse Prefix of Word
- 2001. Number of Pairs of Interchangeable Rectangles
- 2002. Maximum Product of the Length of Two Palindromic Subsequences
- 2003. Smallest Missing Genetic Value in Each Subtree
- 2004. The Number of Seniors and Juniors to Join the Company 🔒
- 2005. Subtree Removal Game with Fibonacci Tree 🔒
- 2006. Count Number of Pairs With Absolute Difference K
- 2007. Find Original Array From Doubled Array
- 2008. Maximum Earnings From Taxi
- 2009. Minimum Number of Operations to Make Array Continuous
- 2010. The Number of Seniors and Juniors to Join the Company II 🔒
- 2011. Final Value of Variable After Performing Operations
- 2012. Sum of Beauty in the Array
- 2013. Detect Squares
- 2014. Longest Subsequence Repeated k Times
- 2015. Average Height of Buildings in Each Segment 🔒
- 2016. Maximum Difference Between Increasing Elements
- 2017. Grid Game
- 2018. Check if Word Can Be Placed In Crossword
- 2019. The Score of Students Solving Math Expression
- 2020. Number of Accounts That Did Not Stream 🔒
- 2021. Brightest Position on Street 🔒
- 2022. Convert 1D Array Into 2D Array
- 2023. Number of Pairs of Strings With Concatenation Equal to Target
- 2024. Maximize the Confusion of an Exam
- 2025. Maximum Number of Ways to Partition an Array
- 2026. Low-Quality Problems 🔒
- 2027. Minimum Moves to Convert String
- 2028. Find Missing Observations
- 2029. Stone Game IX
- 2030. Smallest K-Length Subsequence With Occurrences of a Letter
- 2031. Count Subarrays With More Ones Than Zeros 🔒
- 2032. Two Out of Three
- 2033. Minimum Operations to Make a Uni-Value Grid
- 2034. Stock Price Fluctuation
- 2035. Partition Array Into Two Arrays to Minimize Sum Difference
- 2036. Maximum Alternating Subarray Sum 🔒
- 2037. Minimum Number of Moves to Seat Everyone
- 2038. Remove Colored Pieces if Both Neighbors are the Same Color
- 2039. The Time When the Network Becomes Idle
- 2040. Kth Smallest Product of Two Sorted Arrays
- 2041. Accepted Candidates From the Interviews 🔒
- 2042. Check if Numbers Are Ascending in a Sentence
- 2043. Simple Bank System
- 2044. Count Number of Maximum Bitwise-OR Subsets
- 2045. Second Minimum Time to Reach Destination
- 2046. Sort Linked List Already Sorted Using Absolute Values 🔒
- 2047. Number of Valid Words in a Sentence
- 2048. Next Greater Numerically Balanced Number
- 2049. Count Nodes With the Highest Score
- 2050. Parallel Courses III
- 2051. The Category of Each Member in the Store 🔒
- 2052. Minimum Cost to Separate Sentence Into Rows 🔒
- 2053. Kth Distinct String in an Array
- 2054. Two Best Non-Overlapping Events
- 2055. Plates Between Candles
- 2056. Number of Valid Move Combinations On Chessboard
- 2057. Smallest Index With Equal Value
- 2058. Find the Minimum and Maximum Number of Nodes Between Critical Points
- 2059. Minimum Operations to Convert Number
- 2060. Check if an Original String Exists Given Two Encoded Strings
- 2061. Number of Spaces Cleaning Robot Cleaned 🔒
- 2062. Count Vowel Substrings of a String
- 2063. Vowels of All Substrings
- 2064. Minimized Maximum of Products Distributed to Any Store
- 2065. Maximum Path Quality of a Graph
- 2066. Account Balance 🔒
- 2067. Number of Equal Count Substrings 🔒
- 2068. Check Whether Two Strings are Almost Equivalent
- 2069. Walking Robot Simulation II
- 2070. Most Beautiful Item for Each Query
- 2071. Maximum Number of Tasks You Can Assign
- 2072. The Winner University 🔒
- 2073. Time Needed to Buy Tickets
- 2074. Reverse Nodes in Even Length Groups
- 2075. Decode the Slanted Ciphertext
- 2076. Process Restricted Friend Requests
- 2077. Paths in Maze That Lead to Same Room 🔒
- 2078. Two Furthest Houses With Different Colors
- 2079. Watering Plants
- 2080. Range Frequency Queries
- 2081. Sum of k-Mirror Numbers
- 2082. The Number of Rich Customers 🔒
- 2083. Substrings That Begin and End With the Same Letter 🔒
- 2084. Drop Type 1 Orders for Customers With Type 0 Orders 🔒
- 2085. Count Common Words With One Occurrence
- 2086. Minimum Number of Food Buckets to Feed the Hamsters
- 2087. Minimum Cost Homecoming of a Robot in a Grid
- 2088. Count Fertile Pyramids in a Land
- 2089. Find Target Indices After Sorting Array
- 2090. K Radius Subarray Averages
- 2091. Removing Minimum and Maximum From Array
- 2092. Find All People With Secret
- 2093. Minimum Cost to Reach City With Discounts 🔒
- 2094. Finding 3-Digit Even Numbers
- 2095. Delete the Middle Node of a Linked List
- 2096. Step-By-Step Directions From a Binary Tree Node to Another
- 2097. Valid Arrangement of Pairs
- 2098. Subsequence of Size K With the Largest Even Sum 🔒
- 2099. Find Subsequence of Length K With the Largest Sum