| 1079. Letter Tile Possibilities | | | Solve | Medium | | |
| 1080. Insufficient Nodes in Root to Leaf Paths | | | Solve | Medium | | |
| 1081. Smallest Subsequence of Distinct Characters | | | Solve | Medium | | |
| 1087. Brace Expansion | | | Solve | Medium | | |
| 1090. Largest Values From Labels | | | Solve | Medium | | |
| 1091. Shortest Path in Binary Matrix | | | Solve | Medium | | |
| 1093. Statistics from a Large Sample | | | Solve | Medium | | |
| 1094. Car Pooling | | | Solve | Medium | | |
| 1098. Unpopular Books | | | Solve | Medium | - | |
| 1100. Find K-Length Substrings With No Repeated Characters | | | Solve | Medium | | |
| 1101. The Earliest Moment When Everyone Become Friends | | | Solve | Medium | | |
| 1102. Path With Maximum Minimum Value | | | Solve | Medium | | |
| 1104. Path In Zigzag Labelled Binary Tree | | | Solve | Medium | | |
| 1105. Filling Bookcase Shelves | | | Solve | Medium | | |
| 1107. New Users Daily Count | | | Solve | Medium | | |
| 1109. Corporate Flight Bookings | | | Solve | Medium | | |
| 1110. Delete Nodes And Return Forest | | | Solve | Medium | | |
| 1111. Maximum Nesting Depth of Two Valid Parentheses Strings | | | Solve | Medium | | |
| 1112. Highest Grade For Each Student | | | Solve | Medium | | |
| 1115. Print FooBar Alternately | | | Solve | Medium | - | |
| 1116. Print Zero Even Odd | | | Solve | Medium | - | |
| 1117. Building H2O | | | Solve | Medium | - | |
| 1120. Maximum Average Subtree | | | Solve | Medium | | |
| 1123. Lowest Common Ancestor of Deepest Leaves | | | Solve | Medium | | |
| 1124. Longest Well-Performing Interval | | | Solve | Medium | | |
| 1126. Active Businesses | | | Solve | Medium | | |
| 1129. Shortest Path with Alternating Colors | | | Solve | Medium | | |
| 1130. Minimum Cost Tree From Leaf Values | | | Solve | Medium | | |
| 1131. Maximum of Absolute Value Expression | | | Solve | Medium | | |
| 1132. Reported Posts II | | | Solve | Medium | | |
| 1135. Connecting Cities With Minimum Cost | | | Solve | Medium | | |
| 1136. Parallel Courses | | | Solve | Medium | | |
| 1138. Alphabet Board Path | | | Solve | Medium | | |
| 1139. Largest 1-Bordered Square | | | Solve | Medium | | |
| 1140. Stone Game II | | | Solve | Medium | | |
| 1143. Longest Common Subsequence | | | Solve | Medium | | |
| 1144. Decrease Elements To Make Array Zigzag | | | Solve | Medium | | |
| 1145. Binary Tree Coloring Game | | | Solve | Medium | | |
| 1146. Snapshot Array | | | Solve | Medium | | |
| 1149. Article Views II | | | Solve | Medium | | |
| 1151. Minimum Swaps to Group All 1's Together | | | Solve | Medium | | |
| 1152. Analyze User Website Visit Pattern | | | Solve | Medium | | |
| 1155. Number of Dice Rolls With Target Sum | | | Solve | Medium | | |
| 1156. Swap For Longest Repeated Character Substring | | | Solve | Medium | | |
| 1158. Market Analysis I | | | Solve | Medium | | |
| 1161. Maximum Level Sum of a Binary Tree | | | Solve | Medium | | |
| 1162. As Far from Land as Possible | | | Solve | Medium | | |
| 1164. Product Price at a Given Date | | | Solve | Medium | | |
| 1166. Design File System | | | Solve | Medium | | |
| 1167. Minimum Cost to Connect Sticks | | | Solve | Medium | | |
