| 1615G | Maximum Adjacent Pairs | | | 3300 | 177 |
| 1615H | Reindeer Games | | | 3000 | 457 |
| 1614A | Divan and a Store | | | 800 | 24.7k |
| 1614B | Divan and a New Project | | | 1000 | 31k |
| 1614C | Divan and bitwise operations | | | 1500 | 11.4k |
| 1614D1 | Divan and Kostomuksha (easy version) | | | 2100 | 4.6k |
| 1614D2 | Divan and Kostomuksha (hard version) | | | 2300 | 2.8k |
| 1614E | Divan and a Cottage | | | 2600 | 990 |
| 1613A | Long Comparison | | | 900 | 26.8k |
| 1613B | Absent Remainder | | | 1000 | 23.5k |
| 1613C | Poisoned Dagger | | | 1200 | 30.7k |
| 1613D | MEX Sequences | | | 1900 | 5.4k |
| 1613E | Crazy Robot | | | 2000 | 6k |
| 1613F | Tree Coloring | | | 2600 | 906 |
| 1612A | Distance | | | 800 | 18.3k |
| 1612B | Special Permutation | | | 900 | 18.6k |
| 1612C | Chat Ban | | | 1300 | 27.4k |
| 1612D | X-Magic Pair | | | 1600 | 10.4k |
| 1612E | Messages | | | 2000 | 2.9k |
| 1612F | Armor and Weapons | | | 2800 | 722 |
| 1612G | Max Sum Array | | | 2500 | 1k |
| 1611A | Make Even | | | 800 | 33.6k |
| 1611B | Team Composition: Programmers and Mathematicians | | | 800 | 32.2k |
| 1611C | Polycarp Recovers the Permutation | | | 1000 | 19.5k |
| 1611D | Weights Assignment For Tree Edges | | | 1500 | 11.7k |
| 1611E1 | Escape The Maze (easy version) | | | 1700 | 8.5k |
| 1611E2 | Escape The Maze (hard version) | | | 1900 | 4.4k |
| 1611F | ATM and Students | | | 1800 | 7.5k |
| 1611G | Robot and Candies | | | 2500 | 785 |
| 1610A | Anti Light's Cell Guessing | | | 900 | 17.2k |
| 1610B | Kalindrome Array | | | 1100 | 24.9k |
| 1610C | Keshi Is Throwing a Party | | | 1600 | 16.4k |
| 1610D | Not Quite Lee | | | 2000 | 3.1k |
| 1610E | AmShZ and G.O.A.T. | | | 2300 | 2.1k |
| 1610F | Mashtali: a Space Oddysey | | | 3000 | 716 |
| 1610G | AmShZ Wins a Bet | | | 3300 | 667 |
| 1610H | Squid Game | | | 3100 | 731 |
| 1610I | Mashtali vs AtCoder | | | 3100 | 452 |
| 1609A | Divide and Multiply | | | 900 | 19.1k |
| 1609B | William the Vigilant | | | 1100 | 12.2k |
| 1609C | Complex Market Analysis | | | 1400 | 10.5k |
| 1609D | Social Network | | | 1600 | 8.6k |
| 1609E | William The Oblivious | | | 2400 | 2.5k |
| 1609F | Interesting Sections | | | 2800 | 1.1k |
| 1609G | A Stroll Around the Matrix | | | 3000 | 617 |
| 1609H | Pushing Robots | | | 3500 | 109 |
| 1608A | Find Array | | | 800 | 20.4k |
| 1608B | Build the Permutation | | | 1200 | 12.6k |
| 1608C | Game Master | | | 1700 | 7.4k |
| 1608D | Dominoes | | | 2400 | 1.6k |
| 1608E | The Cells on the Paper | | | 2800 | 520 |
| 1608F | MEX counting | | | 3200 | 928 |
| 1608G | Alphabetic Tree | | | 3500 | 301 |
| 1607A | Linear Keyboard | | | 800 | 41.1k |
| 1607B | Odd Grasshopper | | | 900 | 42k |
| 1607C | Minimum Extraction | | | 1000 | 27.1k |
| 1607D | Blue-Red Permutation | | | 1300 | 18.3k |
| 1607E | Robot on the Board 1 | | | 1600 | 10.1k |
| 1607F | Robot on the Board 2 | | | 2300 | 2.2k |
| 1607G | Banquet Preparations 1 | | | 2200 | 1.8k |
| 1607H | Banquet Preparations 2 | | | 2200 | 1.5k |
| 1606A | AB Balance | | | 900 | 39.8k |
| 1606B | Update Files | | | 1100 | 19.7k |
| 1606C | Banknotes | | | 1400 | 15.3k |
| 1606D | Red-Blue Matrix | | | 2400 | 1.6k |
| 1606E | Arena | | | 2100 | 4.3k |
| 1606F | Tree Queries | | | 2800 | 782 |
| 1605A | A.M. Deviation | | | 800 | 21.7k |
| 1605B | Reverse Sort | | | 1000 | 19.5k |
| 1605C | Dominant Character | | | 1400 | 19.1k |
| 1605D | Treelabeling | | | 2100 | 3.3k |
| 1605E | Array Equalizer | | | 2400 | 1.2k |
| 1605F | PalindORme | | | 2900 | 436 |
| 1604A | Era | | | 800 | 22.7k |
| 1604B | XOR Specia-LIS-t | | | 1100 | 16.4k |
| 1603A | Di-visible Confusion | | | 1300 | 17.9k |
| 1603B | Moderate Modular Mode | | | 1600 | 15.2k |
| 1603C | Extreme Extension | | | 2300 | 2.3k |
| 1603D | Artistic Partition | | | 3000 | 959 |
| 1603E | A Perfect Problem | | | 3200 | 673 |
| 1603F | October 18, 2017 | | | 2700 | 403 |
| 1602A | Two Subsequences | | | 800 | 19.9k |
| 1602B | Divine Array | | | 1100 | 14.8k |
| 1601A | Array Elimination | | | 1300 | 22.3k |
| 1601B | Frog Traveler | | | 1900 | 5.6k |
| 1601C | Optimal Insertion | | | 2300 | 2.4k |
| 1601D | Difficult Mountain | | | 2700 | 2k |
| 1601E | Phys Ed Online | | | 2900 | 641 |
| 1601F | Two Sorts | | | 3400 | 309 |
| 1600E | Array Game | | | 1900 | 2.4k |
| 1600F | Party Organization | | | 2300 | 640 |
| 1600J | Robot Factory | | | 1400 | 4.5k |
| 1599A | Weights | | | 2600 | 917 |
| 1599B | Restaurant Game | | | 3100 | 204 |
| 1599C | Bubble Strike | | | 2000 | 2k |
| 1599D | Bubble Popping | | | 3200 | 67 |
| 1599E | Two Arrays | | | 3200 | 98 |
| 1599F | Mars | | | 2700 | 428 |
| 1599G | Shortest path | | | 2700 | 436 |
| 1599H | Hidden Fortress | | | 2100 | 1.3k |