| 1128 | Number of Equivalent Domino Pairs | Easy |
| 1138 | Alphabet Board Path | Medium |
| 1146 | Snapshot Array | Medium |
| 1160 | Find Words That Can Be Formed by Characters | Easy |
| 1169 | Invalid Transactions | Medium |
| 1170 | Compare Strings by Frequency of the Smallest Character | Medium |
| 1171 | Remove Zero Sum Consecutive Nodes from Linked List | Medium |
| 1172 | Dinner Plate Stacks | Hard |
| 1177 | Can Make Palindrome from Substring | Medium |
| 1178 | Number of Valid Words for Each Puzzle | Hard |
| 1189 | Maximum Number of Balloons | Easy |
| 1202 | Smallest String With Swaps | Medium |
| 1207 | Unique Number of Occurrences | Easy |
| 1218 | Longest Arithmetic Subsequence of Given Difference | Medium |
| 1224 | Maximum Equal Frequency | Hard |
| 1248 | Count Number of Nice Subarrays | Medium |
| 1261 | Find Elements in a Contaminated Binary Tree | Medium |
| 1275 | Find Winner on a Tic Tac Toe Game | Easy |
| 1282 | Group the People Given the Group Size They Belong To | Medium |
| 1296 | Divide Array in Sets of K Consecutive Numbers | Medium |
| 1297 | Maximum Number of Occurrences of a Substring | Medium |
| 1311 | Get Watched Videos by Your Friends | Medium |
| 1331 | Rank Transform of an Array | Easy |
| 1338 | Reduce Array Size to The Half | Medium |
| 1345 | Jump Game IV | Hard |
| 1346 | Check If N and Its Double Exist | Easy |
| 1347 | Minimum Number of Steps to Make Two Strings Anagram | Medium |
| 1348 | Tweet Counts Per Frequency | Medium |
| 1357 | Apply Discount Every n Orders | Medium |
| 1358 | Number of Substrings Containing All Three Characters | Medium |