| 3201. Find the Maximum Length of Valid Subsequence I | Solution | Solve | Medium | | |
| 3202. Find the Maximum Length of Valid Subsequence II | Solution | Solve | Medium | | |
| 3203. Find Minimum Diameter After Merging Two Trees | Solution | Solve | Hard | | |
| 3204. Bitwise User Permissions Analysis | Solution | Solve | Medium | - | |
| 3205. Maximum Array Hopping Score I | Solution | Solve | Medium | | |
| 3206. Alternating Groups I | Solution | Solve | Easy | | |
| 3207. Maximum Points After Enemy Battles | Solution | Solve | Medium | | |
| 3208. Alternating Groups II | Solution | Solve | Medium | | |
| 3209. Number of Subarrays With AND Value of K | Solution | Solve | Hard | | |
| 3210. Find the Encrypted String | Solution | Solve | Easy | - | |
| 3211. Generate Binary Strings Without Adjacent Zeros | Solution | Solve | Medium | | |
| 3212. Count Submatrices With Equal Frequency of X and Y | Solution | Solve | Medium | | |
| 3213. Construct String with Minimum Cost | Solution | Solve | Hard | | |
| 3214. Year on Year Growth Rate | Solution | Solve | Hard | | |
| 3215. Count Triplets with Even XOR Set Bits II | Solution | Solve | Medium | | |
| 3216. Lexicographically Smallest String After a Swap | Solution | Solve | Easy | | |
| 3217. Delete Nodes From Linked List Present in Array | Solution | Solve | Medium | | |
| 3218. Minimum Cost for Cutting Cake I | Solution | Solve | Medium | - | |
| 3219. Minimum Cost for Cutting Cake II | Solution | Solve | Hard | - | |
| 3220. Odd and Even Transactions | Solution | Solve | Medium | - | |
| 3221. Maximum Array Hopping Score II | Solution | Solve | Medium | | |
| 3222. Find the Winning Player in Coin Game | Solution | Solve | Easy | | |
| 3223. Minimum Length of String After Operations | Solution | Solve | Medium | | |
| 3224. Minimum Array Changes to Make Differences Equal | Solution | Solve | Medium | | |
| 3225. Maximum Score From Grid Operations | Solution | Solve | Hard | | |
| 3226. Number of Bit Changes to Make Two Integers Equal | Solution | Solve | Easy | | |
| 3227. Vowels Game in a String | Solution | Solve | Medium | | |
| 3228. Maximum Number of Operations to Move Ones to the End | Solution | Solve | Medium | | |
| 3229. Minimum Operations to Make Array Equal to Target | Solution | Solve | Hard | | |
| 3230. Customer Purchasing Behavior Analysis | Solution | Solve | Medium | | |
| 3231. Minimum Number of Increasing Subsequence to Be Removed | Solution | Solve | Hard | - | |
| 3232. Find if Digit Game Can Be Won | Solution | Solve | Easy | - | |
| 3233. Find the Count of Numbers Which Are Not Special | Solution | Solve | Medium | - | |
| 3234. Count the Number of Substrings With Dominant Ones | Solution | Solve | Medium | | |
| 3235. Check if the Rectangle Corner Is Reachable | Solution | Solve | Hard | | |
| 3236. CEO Subordinate Hierarchy | Solution | Solve | Hard | - | |
| 3237. Alt and Tab Simulation | Solution | Solve | Medium | - | |
| 3238. Find the Number of Winning Players | Solution | Solve | Easy | | |
| 3239. Minimum Number of Flips to Make Binary Grid Palindromic I | Solution | Solve | Medium | - | |
| 3240. Minimum Number of Flips to Make Binary Grid Palindromic II | Solution | Solve | Medium | | |
| 3241. Time Taken to Mark All Nodes | Solution | Solve | Hard | - | |
| 3242. Design Neighbor Sum Service | Solution | Solve | Easy | - | |
| 3243. Shortest Distance After Road Addition Queries I | Solution | Solve | Medium | | |
| 3244. Shortest Distance After Road Addition Queries II | Solution | Solve | Hard | - | |
| 3245. Alternating Groups III | Solution | Solve | Hard | - | |
| 3246. Premier League Table Ranking | Solution | Solve | Easy | - | |
| 3247. Number of Subsequences with Odd Sum | Solution | Solve | Medium | - | |
| 3248. Snake in Matrix | Solution | Solve | Easy | | |
| 3249. Count the Number of Good Nodes | Solution | Solve | Medium | - | |
| 3250. Find the Count of Monotonic Pairs I | Solution | Solve | Hard | | |
