| 972. Equal Rational Numbers | Solution | Solve | Hard | | |
| 975. Odd Even Jump | Solution | Solve | Hard | | |
| 980. Unique Paths III | Solution | Solve | Hard | | |
| 982. Triples with Bitwise AND Equal To Zero | Solution | Solve | Hard | | |
| 987. Vertical Order Traversal of a Binary Tree | Solution | Solve | Hard | | |
| 992. Subarrays with K Different Integers | Solution | Solve | Hard | | |
| 995. Minimum Number of K Consecutive Bit Flips | Solution | Solve | Hard | | |
| 996. Number of Squareful Arrays | Solution | Solve | Hard | | |
| 1000. Minimum Cost to Merge Stones | Solution | Solve | Hard | | |
| 1001. Grid Illumination | Solution | Solve | Hard | | |
| 1012. Numbers With Repeated Digits | Solution | Solve | Hard | | |
| 1028. Recover a Tree From Preorder Traversal | Solution | Solve | Hard | | |
| 1032. Stream of Characters | Solution | Solve | Hard | | |
| 1036. Escape a Large Maze | Solution | Solve | Hard | | |
| 1044. Longest Duplicate Substring | Solution | Solve | Hard | | |
| 1063. Number of Valid Subarrays | Solution | Solve | Hard | | |
| 1067. Digit Count in Range | Solution | Solve | Hard | | |
| 1074. Number of Submatrices That Sum to Target | Solution | Solve | Hard | | |
| 1088. Confusing Number II | Solution | Solve | Hard | | |
| 1092. Shortest Common Supersequence | Solution | Solve | Hard | | |
| 1095. Find in Mountain Array | Solution | Solve | Hard | | |
| 1096. Brace Expansion II | Solution | Solve | Hard | | |
| 1097. Game Play Analysis V | Solution | Solve | Hard | | |
| 1106. Parsing A Boolean Expression | Solution | Solve | Hard | | |
| 1121. Divide Array Into Increasing Sequences | Solution | Solve | Hard | | |
| 1125. Smallest Sufficient Team | Solution | Solve | Hard | | |
| 1127. User Purchase Platform | Solution | Solve | Hard | | |
| 1147. Longest Chunked Palindrome Decomposition | Solution | Solve | Hard | | |
| 1153. String Transforms Into Another String | Solution | Solve | Hard | | |
| 1157. Online Majority Element In Subarray | Solution | Solve | Hard | | |
| 1159. Market Analysis II | Solution | Solve | Hard | | |
| 1163. Last Substring in Lexicographical Order | Solution | Solve | Hard | | |
| 1168. Optimize Water Distribution in a Village | Solution | Solve | Hard | | |
| 1172. Dinner Plate Stacks | Solution | Solve | Hard | | |
| 1178. Number of Valid Words for Each Puzzle | Solution | Solve | Hard | | |
| 1183. Maximum Number of Ones | Solution | Solve | Hard | | |
| 1187. Make Array Strictly Increasing | Solution | Solve | Hard | - | |
| 1192. Critical Connections in a Network | Solution | Solve | Hard | | |
| 1194. Tournament Winners | Solution | Solve | Hard | | |
| 1199. Minimum Time to Build Blocks | Solution | Solve | Hard | | |
| 1203. Sort Items by Groups Respecting Dependencies | Solution | Solve | Hard | | |
| 1206. Design Skiplist | Solution | Solve | Hard | | |
| 1210. Minimum Moves to Reach Target with Rotations | Solution | Solve | Hard | | |
| 1216. Valid Palindrome III | Solution | Solve | Hard | | |
| 1220. Count Vowels Permutation | Solution | Solve | Hard | | |
| 1223. Dice Roll Simulation | Solution | Solve | Hard | | |
| 1224. Maximum Equal Frequency | Solution | Solve | Hard | | |
| 1225. Report Contiguous Dates | Solution | Solve | Hard | | |
| 1231. Divide Chocolate | Solution | Solve | Hard | | |
| 1235. Maximum Profit in Job Scheduling | Solution | Solve | Hard | | |