| 1185. Day of the Week | | | Solve | Easy | | |
| 1199. Minimum Time to Build Blocks | | | Solve | Hard | | |
| 1201. Ugly Number III | | | Solve | Medium | | |
| 1215. Stepping Numbers | | | Solve | Medium | | |
| 1217. Minimum Cost to Move Chips to The Same Position | | | Solve | Easy | | |
| 1227. Airplane Seat Assignment Probability | | | Solve | Medium | | |
| 1228. Missing Number In Arithmetic Progression | | | Solve | Easy | | |
| 1230. Toss Strange Coins | | | Solve | Medium | | |
| 1232. Check If It Is a Straight Line | | | Solve | Easy | | |
| 1237. Find Positive Integer Solution for a Given Equation | | | Solve | Medium | | |
| 1238. Circular Permutation in Binary Representation | | | Solve | Medium | | |
| 1247. Minimum Swaps to Make Strings Equal | | | Solve | Medium | | |
| 1248. Count Number of Nice Subarrays | | | Solve | Medium | | |
| 1250. Check If It Is a Good Array | | | Solve | Hard | | |
| 1252. Cells with Odd Values in a Matrix | | | Solve | Easy | | |
| 1256. Encode Number | | | Solve | Medium | | |
| 1259. Handshakes That Don't Cross | | | Solve | Hard | | |
| 1266. Minimum Time Visiting All Points | | | Solve | Easy | | |
| 1271. Hexspeak | | | Solve | Easy | | |
| 1276. Number of Burgers with No Waste of Ingredients | | | Solve | Medium | | |
| 1281. Subtract the Product and Sum of Digits of an Integer | | | Solve | Easy | | |
| 1290. Convert Binary Number in a Linked List to Integer | | | Solve | Easy | | |
| 1295. Find Numbers with Even Number of Digits | | | Solve | Easy | | |
| 1304. Find N Unique Integers Sum up to Zero | | | Solve | Easy | | |
| 1307. Verbal Arithmetic Puzzle | | | Solve | Hard | | |
| 1317. Convert Integer to the Sum of Two No-Zero Integers | | | Solve | Easy | | |
| 1323. Maximum 69 Number | | | Solve | Easy | | |
| 1330. Reverse Subarray To Maximize Array Value | | | Solve | Hard | | |
| 1342. Number of Steps to Reduce a Number to Zero | | | Solve | Easy | | |
| 1344. Angle Between Hands of a Clock | | | Solve | Medium | | |
| 1352. Product of the Last K Numbers | | | Solve | Medium | | |
| 1359. Count All Valid Pickup and Delivery Options | | | Solve | Hard | | |
| 1360. Number of Days Between Two Dates | | | Solve | Easy | | |
| 1362. Closest Divisors | | | Solve | Medium | | |
| 1390. Four Divisors | | | Solve | Medium | | |
| 1399. Count Largest Group | | | Solve | Easy | | |
| 1401. Circle and Rectangle Overlapping | | | Solve | Medium | | |
| 1406. Stone Game III | | | Solve | Hard | | |
| 1414. Find the Minimum Number of Fibonacci Numbers Whose Sum Is K | | | Solve | Medium | | |
| 1427. Perform String Shifts | | | Solve | Easy | | |
| 1432. Max Difference You Can Get From Changing an Integer | | | Solve | Medium | | |
| 1442. Count Triplets That Can Form Two Arrays of Equal XOR | | | Solve | Medium | - | |
| 1447. Simplified Fractions | | | Solve | Medium | | |
| 1453. Maximum Number of Darts Inside of a Circular Dartboard | | | Solve | Hard | | |
| 1467. Probability of a Two Boxes Having The Same Number of Distinct Balls | | | Solve | Hard | - | |
| 1478. Allocate Mailboxes | | | Solve | Hard | | |
| 1486. XOR Operation in an Array | | | Solve | Easy | | |
| 1492. The kth Factor of n | | | Solve | Medium | | |
| 1510. Stone Game IV | | | Solve | Hard | | |
| 1512. Number of Good Pairs | | | Solve | Easy | | |
