| 302199 | CF419E. Playing the ball | 0 | 0 | 0.000% |
| 302200 | CF420A. Start Up | 0 | 0 | 0.000% |
| 302201 | CF420B. Online Meeting | 0 | 0 | 0.000% |
| 302202 | CF420C. Bug in Code | 0 | 0 | 0.000% |
| 302203 | CF420D. Cup Trick | 0 | 0 | 0.000% |
| 302204 | CF420E. Playing the ball | 0 | 0 | 0.000% |
| 302205 | CF421A. Pasha and Hamsters | 0 | 0 | 0.000% |
| 302206 | CF421B. Start Up | 0 | 0 | 0.000% |
| 302207 | CF421C. Online Meeting | 0 | 0 | 0.000% |
| 302208 | CF421D. Bug in Code | 0 | 0 | 0.000% |
| 302209 | CF421E. Cup Trick | 0 | 0 | 0.000% |
| 302213 | CF424D. Biathlon Track | 0 | 0 | 0.000% |
| 302226 | CF427B. Prison Transfer | 0 | 0 | 0.000% |
| 302228 | CF427D. Match & Catch | 0 | 0 | 0.000% |
| 302229 | CF427E. Police Patrol | 0 | 0 | 0.000% |
| 302230 | CF429A. Xor-tree | 0 | 0 | 0.000% |
| 302232 | CF429C. Guess the Tree | 0 | 0 | 0.000% |
| 302233 | CF429D. Tricky Function | 0 | 0 | 0.000% |
| 302237 | CF430C. Xor-tree | 0 | 0 | 0.000% |
| 302239 | CF430E. Guess the Tree | 0 | 0 | 0.000% |
| 302242 | CF431C. k-Tree | 0 | 0 | 0.000% |
| 302244 | CF431E. Chemistry Experiment | 0 | 0 | 0.000% |
| 302248 | CF432D. Prefixes and Suffixes | 0 | 0 | 0.000% |
| 302259 | CF434E. Furukawa Nagisa's Tree | 0 | 0 | 0.000% |
| 302267 | CF436C. Dungeons and Candies | 0 | 0 | 0.000% |
| 302275 | CF437E. The Child and Polygon | 0 | 0 | 0.000% |
| 302278 | CF438C. The Child and Polygon | 0 | 0 | 0.000% |
| 302280 | CF438E. The Child and Binary Tree | 0 | 0 | 0.000% |
| 302289 | CF440D. Berland Federalization | 0 | 0 | 0.000% |
| 302298 | CF442D. Adam and Tree | 0 | 0 | 0.000% |
| 302299 | CF442E. Gena and Second Distance | 0 | 0 | 0.000% |
| 302301 | CF443B. Kolya and Tandem Repeat | 0 | 0 | 0.000% |
| 302308 | CF444D. DZY Loves Strings | 0 | 0 | 0.000% |
| 302309 | CF444E. DZY Loves Planting | 0 | 0 | 0.000% |
| 302311 | CF445B. DZY Loves Chemistry | 0 | 0 | 0.000% |
| 302318 | CF446D. DZY Loves Games | 0 | 0 | 0.000% |
| 302319 | CF446E. DZY Loves Bridges | 0 | 0 | 0.000% |
| 302321 | CF447B. DZY Loves Strings | 0 | 0 | 0.000% |
| 302326 | CF448B. Suffix Structures | 0 | 0 | 0.000% |
| 302343 | CF451D. Count Good Substrings | 0 | 0 | 0.000% |
| 302345 | CF452A. Eevee | 0 | 0 | 0.000% |
| 302346 | CF452B. 4-point polyline | 0 | 0 | 0.000% |
| 302347 | CF452C. Magic Trick | 0 | 0 | 0.000% |
| 302349 | CF452E. Three strings | 0 | 0 | 0.000% |
| 302354 | CF453D. Little Pony and Elements of Harmony | 0 | 0 | 0.000% |
| 302362 | CF455B. A Lot of Games | 0 | 0 | 0.000% |
| 302363 | CF455C. Civilization | 0 | 0 | 0.000% |
| 302369 | CF456D. A Lot of Games | 0 | 0 | 0.000% |
| 302370 | CF456E. Civilization | 0 | 0 | 0.000% |
| 302372 | CF457B. Distributed Join | 0 | 0 | 0.000% |
| 302376 | CF457F. An easy problem about trees | 0 | 0 | 0.000% |
| 302378 | CF458B. Distributed Join | 0 | 0 | 0.000% |
| 302382 | CF458F. An easy problem about trees | 0 | 0 | 0.000% |
| 302392 | CF460E. Roland and Rose | 0 | 0 | 0.000% |
| 302394 | CF461B. Appleman and Tree | 0 | 0 | 0.000% |
| 302397 | CF461E. Appleman and a Game | 0 | 0 | 0.000% |
| 302401 | CF462D. Appleman and Tree | 0 | 0 | 0.000% |
| 302407 | CF463E. Caisa and Tree | 0 | 0 | 0.000% |
| 302408 | CF464A. No to Palindromes! | 0 | 0 | 0.000% |
| 302409 | CF464B. Restore Cube | 0 | 0 | 0.000% |
| 302418 | CF466A. Cheap Travel | 0 | 0 | 0.000% |
| 302422 | CF466E. Information Graph | 0 | 0 | 0.000% |
| 302426 | CF467D. Fedor and Essay | 0 | 0 | 0.000% |
| 302431 | CF468D. Tree | 0 | 0 | 0.000% |
| 302449 | CF471D. MUH and Cube Walls | 0 | 0 | 0.000% |
| 302454 | CF472D. Design Tutorial: Inverse the Problem | 0 | 0 | 0.000% |
| 302456 | CF472F. Design Tutorial: Change the Goal | 0 | 0 | 0.000% |
| 302457 | CF472G. Design Tutorial: Increase the Constraints | 0 | 0 | 0.000% |
| 302460 | CF474C. Captain Marmot | 0 | 0 | 0.000% |
| 302462 | CF474E. Pillars | 0 | 0 | 0.000% |
| 302465 | CF475B. Strongly Connected City | 0 | 0 | 0.000% |
| 302468 | CF475E. Strongly Connected City 2 | 0 | 0 | 0.000% |
| 302474 | CF476E. Dreamoon and Strings | 0 | 0 | 0.000% |
| 302477 | CF477C. Dreamoon and Strings | 0 | 0 | 0.000% |
| 302478 | CF477D. Dreamoon and Binary | 0 | 0 | 0.000% |
| 302496 | CF482B. Interesting Array | 0 | 0 | 0.000% |
| 302497 | CF482C. Game with Strings | 0 | 0 | 0.000% |
| 302498 | CF482D. Random Function and Tree | 0 | 0 | 0.000% |
| 302499 | CF482E. ELCA | 0 | 0 | 0.000% |
| 302504 | CF483E. Game with Strings | 0 | 0 | 0.000% |
| 302507 | CF484C. Strange Sorting | 0 | 0 | 0.000% |
| 302510 | CF485A. Factory | 0 | 0 | 0.000% |
| 302514 | CF485E. Strange Sorting | 0 | 0 | 0.000% |
| 302516 | CF486B. OR in Matrix | 0 | 0 | 0.000% |
| 302517 | CF486C. Palindrome Transformation | 0 | 0 | 0.000% |
| 302518 | CF486D. Valid Sets | 0 | 0 | 0.000% |
| 302521 | CF487B. Strip | 0 | 0 | 0.000% |
| 302524 | CF487E. Tourists | 0 | 0 | 0.000% |
| 302528 | CF488D. Strip | 0 | 0 | 0.000% |
| 302533 | CF489D. Unbearable Controversy of Being | 0 | 0 | 0.000% |
| 302535 | CF489F. Special Matrices | 0 | 0 | 0.000% |
| 302538 | CF490C. Hacking Cypher | 0 | 0 | 0.000% |
| 302541 | CF490F. Treeland Tour | 0 | 0 | 0.000% |
| 302555 | CF494A. Treasure | 0 | 4 | 0.000% |
| 302556 | CF494B. Obsessive String | 0 | 0 | 0.000% |
| 302558 | CF494D. Birthday | 0 | 0 | 0.000% |
| 302562 | CF495C. Treasure | 0 | 0 | 0.000% |
| 302563 | CF495D. Obsessive String | 0 | 0 | 0.000% |
| 302569 | CF496E. Distributing Parts | 0 | 0 | 0.000% |
| 302572 | CF497C. Distributing Parts | 0 | 0 | 0.000% |