| 1251. Average Selling Price | Solution | Solve | Easy | | |
| 1252. Cells with Odd Values in a Matrix | Solution | Solve | Easy | | |
| 1253. Reconstruct a 2-Row Binary Matrix | Solution | Solve | Medium | | |
| 1254. Number of Closed Islands | Solution | Solve | Medium | | |
| 1255. Maximum Score Words Formed by Letters | Solution | Solve | Hard | | |
| 1256. Encode Number | Solution | Solve | Medium | | |
| 1257. Smallest Common Region | Solution | Solve | Medium | | |
| 1258. Synonymous Sentences | Solution | Solve | Medium | | |
| 1259. Handshakes That Don't Cross | Solution | Solve | Hard | | |
| 1260. Shift 2D Grid | Solution | Solve | Easy | | |
| 1261. Find Elements in a Contaminated Binary Tree | Solution | Solve | Medium | | |
| 1262. Greatest Sum Divisible by Three | Solution | Solve | Medium | | |
| 1263. Minimum Moves to Move a Box to Their Target Location | Solution | Solve | Hard | | |
| 1264. Page Recommendations | Solution | Solve | Medium | | |
| 1265. Print Immutable Linked List in Reverse | Solution | Solve | Medium | - | |
| 1266. Minimum Time Visiting All Points | Solution | Solve | Easy | | |
| 1267. Count Servers that Communicate | Solution | Solve | Medium | | |
| 1268. Search Suggestions System | Solution | Solve | Medium | | |
| 1269. Number of Ways to Stay in the Same Place After Some Steps | Solution | Solve | Hard | | |
| 1270. All People Report to the Given Manager | Solution | Solve | Medium | | |
| 1271. Hexspeak | Solution | Solve | Easy | | |
| 1272. Remove Interval | Solution | Solve | Medium | | |
| 1273. Delete Tree Nodes | Solution | Solve | Medium | | |
| 1274. Number of Ships in a Rectangle | Solution | Solve | Hard | | |
| 1275. Find Winner on a Tic Tac Toe Game | Solution | Solve | Easy | | |
| 1276. Number of Burgers with No Waste of Ingredients | Solution | Solve | Medium | - | |
| 1277. Count Square Submatrices with All Ones | Solution | Solve | Medium | | |
| 1278. Palindrome Partitioning III | Solution | Solve | Hard | - | |
| 1279. Traffic Light Controlled Intersection | Solution | Solve | Easy | - | |
| 1280. Students and Examinations | Solution | Solve | Easy | | |
| 1281. Subtract the Product and Sum of Digits of an Integer | Solution | Solve | Easy | | |
| 1282. Group the People Given the Group Size They Belong To | Solution | Solve | Medium | | |
| 1283. Find the Smallest Divisor Given a Threshold | Solution | Solve | Medium | | |
| 1284. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix | Solution | Solve | Hard | | |
| 1285. Find the Start and End Number of Continuous Ranges | Solution | Solve | Medium | | |
| 1286. Iterator for Combination | Solution | Solve | Medium | | |
| 1287. Element Appearing More Than 25% In Sorted Array | Solution | Solve | Easy | | |
| 1288. Remove Covered Intervals | Solution | Solve | Medium | | |
| 1289. Minimum Falling Path Sum II | Solution | Solve | Hard | | |
| 1290. Convert Binary Number in a Linked List to Integer | Solution | Solve | Easy | | |
| 1291. Sequential Digits | Solution | Solve | Medium | | |
| 1292. Maximum Side Length of a Square with Sum Less than or Equal to Threshold | Solution | Solve | Medium | | |
| 1293. Shortest Path in a Grid with Obstacles Elimination | Solution | Solve | Hard | | |
| 1294. Weather Type in Each Country | Solution | Solve | Easy | | |
| 1295. Find Numbers with Even Number of Digits | Solution | Solve | Easy | | |
| 1296. Divide Array in Sets of K Consecutive Numbers | Solution | Solve | Medium | | |
| 1297. Maximum Number of Occurrences of a Substring | Solution | Solve | Medium | | |
| 1298. Maximum Candies You Can Get from Boxes | Solution | Solve | Hard | | |
| 1299. Replace Elements with Greatest Element on Right Side | Solution | Solve | Easy | | |
| 1300. Sum of Mutated Array Closest to Target | Solution | Solve | Medium | | |
