| 311106 | CF1935A. Entertainment in MAC | 0 | 0 | 0.000% |
| 311118 | CF1937A. Shuffle Party | 0 | 0 | 0.000% |
| 311145 | CF1941A. Rudolf and the Ticket | 0 | 0 | 0.000% |
| 311152 | CF1942A. Farmer John's Challenge | 0 | 0 | 0.000% |
| 311169 | CF1944A. Destroying Bridges | 0 | 0 | 0.000% |
| 311176 | CF1945A. Setting up Camp | 0 | 0 | 0.000% |
| 311184 | CF1946A. Median of an Array | 0 | 0 | 0.000% |
| 311190 | CF1948A. Special Characters | 0 | 0 | 0.000% |
| 311208 | CF1950A. Stair, Peak, or Neither? | 0 | 10 | 0.000% |
| 311209 | CF1950B. Upscaling | 0 | 4 | 0.000% |
| 311210 | CF1950C. Clock Conversion | 0 | 4 | 0.000% |
| 311241 | CF1955A. Yogurt Sale | 0 | 0 | 0.000% |
| 311249 | CF1956A. Nene's Game | 0 | 0 | 0.000% |
| 311250 | CF1956B. Nene and the Card Game | 0 | 0 | 0.000% |
| 311256 | CF1957A. Stickogon | 0 | 0 | 0.000% |
| 311287 | CF1966A. Card Exchange | 0 | 0 | 0.000% |
| 311301 | CF1968A. Maximize? | 0 | 0 | 0.000% |
| 311302 | CF1968B. Prefiquence | 0 | 0 | 0.000% |
| 311309 | CF1969A. Two Friends | 0 | 0 | 0.000% |
| 311336 | CF1971A. My First Sorting Problem | 0 | 6 | 0.000% |
| 311337 | CF1971B. Different String | 0 | 6 | 0.000% |
| 311344 | CF1972A. Contest Proposal | 0 | 0 | 0.000% |
| 311357 | CF1974A. Phone Desktop | 0 | 4 | 0.000% |
| 311358 | CF1974B. Symmetric Encoding | 0 | 5 | 0.000% |
| 311364 | CF1975A. Bazoka and Mocha's Array | 0 | 0 | 0.000% |
| 311373 | CF1976A. Verify Password | 0 | 0 | 0.000% |
| 311379 | CF1977A. Little Nikita | 0 | 0 | 0.000% |
| 311384 | CF1979A. Guess the Maximum | 0 | 0 | 0.000% |
| 311390 | CF1980A. Problem Generator | 0 | 0 | 0.000% |
| 311391 | CF1980B. Choosing Cubes | 0 | 0 | 0.000% |