| 1248. Count Number of Nice Subarrays | | | Solve | Medium | | |
| 1253. Reconstruct a 2-Row Binary Matrix | | | Solve | Medium | | |
| 1254. Number of Closed Islands | | | Solve | Medium | | |
| 1257. Smallest Common Region | | | Solve | Medium | | |
| 1258. Synonymous Sentences | | | Solve | Medium | | |
| 1262. Greatest Sum Divisible by Three | | | Solve | Medium | | |
| 1267. Count Servers that Communicate | | | Solve | Medium | | |
| 1268. Search Suggestions System | | | Solve | Medium | | |
| 1272. Remove Interval | | | Solve | Medium | | |
| 1273. Delete Tree Nodes | | | Solve | Medium | | |
| 1277. Count Square Submatrices with All Ones | | | Solve | Medium | | |
| 1282. Group the People Given the Group Size They Belong To | | | Solve | Medium | | |
| 1283. Find the Smallest Divisor Given a Threshold | | | Solve | Medium | | |
| 1288. Remove Covered Intervals | | | Solve | Medium | | |
| 1292. Maximum Side Length of a Square with Sum Less than or Equal to Threshold | | | Solve | Medium | | |
| 1296. Divide Array in Sets of K Consecutive Numbers | | | Solve | Medium | | |
| 1300. Sum of Mutated Array Closest to Target | | | Solve | Medium | | |
| 1306. Jump Game III | | | Solve | Medium | | |
| 1310. XOR Queries of a Subarray | | | Solve | Medium | | |
| 1311. Get Watched Videos by Your Friends | | | Solve | Medium | | |
| 1314. Matrix Block Sum | | | Solve | Medium | | |
| 1324. Print Words Vertically | | | Solve | Medium | | |
| 1329. Sort the Matrix Diagonally | | | Solve | Medium | | |
| 1333. Filter Restaurants by Vegan-Friendly, Price and Distance | | | Solve | Medium | | |
| 1338. Reduce Array Size to The Half | | | Solve | Medium | | |
| 1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold | | | Solve | Medium | | |
| 1352. Product of the Last K Numbers | | | Solve | Medium | | |
| 1353. Maximum Number of Events That Can Be Attended | | | Solve | Medium | | |
| 1357. Apply Discount Every n Orders | | | Solve | Medium | | |
| 1366. Rank Teams by Votes | | | Solve | Medium | | |
| 1375. Number of Times Binary String Is Prefix-Aligned | | | Solve | Medium | | |
| 1381. Design a Stack With Increment Operation | | | Solve | Medium | | |
| 1386. Cinema Seat Allocation | | | Solve | Medium | | |
| 1390. Four Divisors | | | Solve | Medium | | |
| 1391. Check if There is a Valid Path in a Grid | | | Solve | Medium | | |
| 1395. Count Number of Teams | | | Solve | Medium | | |
| 1409. Queries on a Permutation With Key | | | Solve | Medium | | |
| 1418. Display Table of Food Orders in a Restaurant | | | Solve | Medium | | |
| 1423. Maximum Points You Can Obtain from Cards | | | Solve | Medium | | |
| 1424. Diagonal Traverse II | | | Solve | Medium | | |
| 1428. Leftmost Column with at Least a One | | | Solve | Medium | | |
| 1429. First Unique Number | | | Solve | Medium | | |
| 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | | | Solve | Medium | | |
| 1441. Build an Array With Stack Operations | | | Solve | Medium | | |
| 1442. Count Triplets That Can Form Two Arrays of Equal XOR | | | Solve | Medium | - | |
| 1452. People Whose List of Favorite Companies Is Not a Subset of Another List | | | Solve | Medium | | |
| 1465. Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts | | | Solve | Medium | | |
| 1471. The k Strongest Values in an Array | | | Solve | Medium | | |
| 1472. Design Browser History | | | Solve | Medium | | |
| 1476. Subrectangle Queries | | | Solve | Medium | | |