| 590C | Three States | | | 2200 | 3.7k |
| 585B | Phillip and Trains | | | 1700 | 3.8k |
| 580C | Kefa and Park | | | 1500 | 58k |
| 575B | Bribes | | | 2200 | 1.3k |
| 574B | Bear and Three Musketeers | | | 1500 | 8.4k |
| 571C | CNF 2 | | | 2500 | 756 |
| 570D | Tree Requests | | | 2200 | 9.3k |
| 567E | President and Roads | | | 2200 | 2.3k |
| 558C | Amr and Chemistry | | | 1900 | 4.2k |
| 557D | Vitaly and Cycle | | | 2000 | 2.4k |
| 557E | Ann and Half-Palindrome | | | 2300 | 1.3k |
| 555E | Case of Computer Network | | | 2800 | 3.1k |
| 553C | Love Triangles | | | 2200 | 2k |
| 553D | Nudist Beach | | | 2300 | 1.1k |
| 553E | Kyoya and Train | | | 3200 | 730 |
| 550D | Regular Bridge | | | 1900 | 3.8k |
| 549B | Looksery Party | | | 2300 | 1.6k |
| 547D | Mike and Fish | | | 2600 | 3.2k |
| 546E | Soldier and Traveling | | | 2100 | 4.4k |
| 545E | Paths and Trees | | | 2000 | 5.8k |
| 543B | Destroying Roads | | | 2100 | 4.6k |
| 542C | Idempotent functions | | | 2000 | 1.3k |
| 542E | Playing on Graph | | | 2600 | 1k |
| 533B | Work Group | | | 2000 | 2.7k |
| 527E | Data Center Drama | | | 2600 | 2.3k |
| 525D | Arthur and Walls | | | 2400 | 2.3k |
| 522A | Reposts | | | 1200 | 19.3k |
| 521E | Cycling City | | | 3100 | 1.3k |
| 520B | Two Buttons | | | 1400 | 64.7k |
| 510C | Fox And Names | | | 1600 | 23.2k |
| 508D | Tanya and Password | | | 2500 | 4.4k |
| 507E | Breaking Good | | | 2100 | 3.3k |
| 506D | Mr. Kitayuta's Colorful Graph | | | 2400 | 2.6k |
| 505B | Mr. Kitayuta's Colorful Graph | | | 1400 | 15.2k |
| 500A | New Year Transportation | | | 1000 | 64.4k |
| 500B | New Year Permutation | | | 1600 | 9.7k |
| 500D | New Year Santa Network | | | 1900 | 3.3k |
| 489D | Unbearable Controversy of Being | | | 1700 | 7.1k |
| 487E | Tourists | | | 3200 | 3k |
| 480D | Parcels | | | 2600 | 527 |
| 475B | Strongly Connected City | | | 1400 | 9.4k |
| 467D | Fedor and Essay | | | 2400 | 2.1k |
| 466E | Information Graph | | | 2100 | 2.7k |
| 464E | The Classic Problem | | | 3000 | 2k |
| 463D | Gargari and Permutations | | | 1900 | 7.4k |
| 453C | Little Pony and Summer Sun Celebration | | | 2200 | 1.8k |
| 449B | Jzzhu and Cities | | | 2000 | 11.2k |
| 441D | Valera and Swaps | | | 2100 | 1.3k |
| 437C | The Child and Toy | | | 1400 | 15.1k |
| 436C | Dungeons and Candies | | | 1800 | 2.9k |
| 429E | Points and Segments | | | 3000 | 1k |
| 427C | Checkposts | | | 1700 | 17.6k |
| 420C | Bug in Code | | | 1900 | 1.4k |
| 418D | Big Problems for Organizers | | | 2800 | 580 |
| 417C | Football | | | 1400 | 5.1k |
| 416E | President's Path | | | 2500 | 1.9k |
| 405E | Graph Cutting | | | 2300 | 1.7k |
| 404C | Restore Graph | | | 1800 | 5.9k |
| 402C | Searching for Graph | | | 1500 | 6.4k |
| 402E | Strictly Positive Matrix | | | 2200 | 2.4k |
| 400D | Dima and Bacteria | | | 2000 | 3.3k |
| 396C | On Changing Tree | | | unrated | 1.9k |
| 388B | Fox and Minimal path | | | 1900 | 2.6k |
| 386D | Game with Points | | | 2100 | 584 |
| 382D | Ksenia and Pawns | | | 2200 | 753 |
| 380B | Sereja and Tree | | | 2400 | 585 |
| 374C | Inna and Dima | | | 1900 | 3k |
| 370A | Rook, Bishop and King | | | 1100 | 12.2k |
| 369C | Valera and Elections | | | 1600 | 12.3k |
| 369D | Valera and Fools | | | 2200 | 1.3k |
| 367C | Sereja and the Arrangement of Numbers | | | 2000 | 2k |
| 362D | Fools and Foolproof Roads | | | 2100 | 1.1k |
| 362E | Petya and Pipes | | | 2300 | 930 |
| 360E | Levko and Game | | | 2800 | 842 |
| 358E | Dima and Kicks | | | 2300 | 446 |
| 350B | Resort | | | 1500 | 3.4k |
| 350E | Wrong Floyd | | | 2200 | 881 |
| 346D | Robot Control | | | 2600 | 887 |
| 345D | Chain Letter | | | 2200 | 83 |
| 344B | Simple Molecules | | | 1200 | 9.7k |
| 343D | Water Tree | | | 2100 | 7.1k |
| 343E | Pumping Stations | | | 2900 | 960 |
| 339C | Xenia and Weights | | | 1700 | 8.8k |
| 332D | Theft of Blueprints | | | 2400 | 441 |
| 331D2 | Escaping on Beaveractor | | | 2600 | 161 |
| 331E1 | Deja Vu | | | 2900 | 218 |
| 330B | Road Construction | | | 1300 | 19.7k |
| 327D | Block Tower | | | 1900 | 2.5k |
| 325C | Monsters and Diamonds | | | 2600 | 494 |
| 325E | The Red Button | | | 2800 | 998 |
| 323B | Tournament-graph | | | 2200 | 486 |
| 320B | Ping-Pong (Easy Version) | | | 1500 | 7.9k |
| 317C | Balance | | | 2500 | 584 |
| 311C | Fetch the Treasure | | | 2500 | 597 |
| 303C | Minimum Modular | | | 2400 | 988 |
| 301B | Yaroslav and Time | | | 2100 | 2.9k |
| 300B | Coach | | | 1500 | 7.3k |
| 295B | Greg and Graph | | | 1700 | 18.6k |
| 295C | Greg and Friends | | | 2100 | 2k |
| 292B | Network Topology | | | 1200 | 10.8k |