| 1023G | Pisces | | | 3400 | 193 |
| 1016D | Vasya And The Matrix | | | 1800 | 5k |
| 1009G | Allowed Letters | | | 2400 | 1.1k |
| 976F | Minimal k-covering | | | 2500 | 707 |
| 965D | Single-use Stones | | | 1900 | 3.4k |
| 925F | Parametric Circulation | | | 3100 | 315 |
| 903G | Yet Another Maxflow Problem | | | 2700 | 762 |
| 899E | Segments Removal | | | 2000 | 3.6k |
| 884F | Anti-Palindromize | | | 2500 | 1.3k |
| 877F | Ann and Books | | | 2300 | 2.4k |
| 863F | Almost Permutation | | | 2200 | 1.6k |
| 852D | Exploration plan | | | 2100 | 1.3k |
| 848D | Shake It! | | | 2900 | 484 |
| 847J | Students Initiation | | | 2400 | 809 |
| 843E | Maximum Flow | | | 3000 | 617 |
| 818G | Four Melodies | | | 2600 | 1.1k |
| 813D | Two Melodies | | | 2600 | 1.2k |
| 808F | Card Game | | | 2400 | 1.7k |
| 802A3 | Heidi and Library (hard) | | | 2600 | 701 |
| 802M2 | April Fools' Problem (medium) | | | 2400 | 1.5k |
| 802M3 | April Fools' Problem (hard) | | | 2900 | 1.3k |
| 793G | Oleg and chess | | | 3400 | 519 |
| 786E | ALT | | | 3200 | 849 |
| 739E | Gosha is hunting | | | 3000 | 2.8k |
| 736E | Chess Championship | | | 2900 | 234 |
| 730I | Olympiad in Programming and Sports | | | 2000 | 2.9k |
| 727D | T-shirts Distribution | | | 1800 | 2.1k |
| 724E | Goods transportation | | | 2900 | 2k |
| 723E | One-Way Reform | | | 2200 | 2.3k |
| 720B | Cactusophobia | | | 2400 | 492 |
| 717G | Underfail | | | 2400 | 755 |
| 708D | Incorrect Flow | | | 2900 | 965 |
| 704D | Captain America | | | 3100 | 1.2k |
| 653D | Delivery Bears | | | 2200 | 3k |
| 628F | Bear and Fair Set | | | 2500 | 1.1k |
| 611H | New Year and Forgotten Tree | | | 3200 | 787 |
| 546E | Soldier and Traveling | | | 2100 | 4.4k |
| 513F1 | Scaygerboss | | | 2700 | 398 |
| 513F2 | Scaygerboss | | | 2800 | 414 |
| 510E | Fox And Dinner | | | 2300 | 2.5k |
| 498C | Array and Operations | | | 2100 | 4.3k |
| 491C | Deciphering | | | 2300 | 549 |
| 457E | Flow Optimality | | | 3000 | 132 |
| 434D | Nanami's Power Plant | | | 2900 | 555 |
| 362E | Petya and Pipes | | | 2300 | 932 |
| 343E | Pumping Stations | | | 2900 | 960 |
| 321B | Ciel and Duel | | | 1900 | 3.9k |
| 316C1 | Tidying Up | | | 2200 | 615 |
| 316C2 | Tidying Up | | | 2300 | 670 |
| 311E | Biologist | | | 2300 | 1.7k |
| 280D | k-Maximum Subsequence Sum | | | 2800 | 1.8k |
| 277E | Binary Tree on Plane | | | 2400 | 1.5k |
| 269C | Flawed Flow | | | 2100 | 1.9k |
| 237E | Build String | | | 2000 | 2k |
| 223E | Planar Graph | | | 3000 | 281 |
| 212A | Privatization | | | 3000 | 284 |
| 164C | Machine Programming | | | 2400 | 1k |
| 132E | Bits of merry old England | | | 2700 | 602 |
| 126E | Pills | | | 2900 | 100 |
| 103E | Buying Sets | | | 2900 | 1.1k |
| 78E | Evacuation | | | 2300 | 743 |
| 62E | World Evil | | | 2700 | 320 |