| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 1858 | P3C Tic-tac-toe | 0 / 0 | (None) | |
| 1859 | P4A Watermelon | 0 / 0 | (None) | |
| 1866 | P6D Lizards and Basements 2 | 0 / 0 | (None) | |
| 1867 | P7A Kalevitch and Chess | 0 / 0 | (None) | |
| 1874 | P9B Running Student | 0 / 0 | (None) | |
| 1902 | P18B Platforms | 0 / 0 | (None) | |
| 1903 | P18D Seller Bob | 0 / 0 | (None) | |
| 1912 | P22A Second Order Statistics | 0 / 0 | (None) | |
| 1913 | P22B Bargaining Table | 0 / 0 | (None) | |
| 1915 | P23A You're Given a String... | 0 / 0 | (None) | |
| 1921 | P25A IQ test | 0 / 0 | (None) | |
| 1934 | P29A Spit Problem | 0 / 0 | (None) | |
| 1937 | P30A Accounting | 0 / 0 | (None) | |
| 1952 | P34E Collisions | 0 / 0 | (None) | |
| 1954 | P35C Fire Again | 0 / 0 | (None) | |
| 1963 | P38B Chess | 0 / 0 | (None) | |
| 1984 | P43D Journey | 0 / 0 | (None) | |
| 1985 | P43E Race | 0 / 0 | (None) | |
| 1990 | P44I Toys | 0 / 0 | (None) | |
| 2003 | P47A Triangular numbers | 0 / 0 | (None) | 
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