| Problem ID | Title | Source/Category | AC | Submit | |
| 1121 Problem A | Complete binary tree | 170 | 958 | ||
| 1282 Problem B | Judgement [Easy I] | 163 | 570 | ||
| 1283 Problem C | Cut The Stick Pro | 160 | 874 | ||
| 1285 Problem D | Stream Processing [Middle II] | 160 | 645 | ||
| 1203 Problem E | Nth Element in Sliding Window [Hard I] | 123 | 1385 | ||
| 1200 Problem F | Pet Adoption [Hard II] | 115 | 678 | ||
| 1284 Problem G | Gnisrever Pro [Bonus] | Advanced_Tree_2019 | 3 | 41 |