|  | 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 |  |  |