| 1623D | Robot Cleaner Revisit | | | 2300 | 1.5k |
| 1622A | Construct a Rectangle | | | 800 | 32.2k |
| 1622B | Berland Music | | | 1000 | 22.4k |
| 1622D | Shuffle | | | 2000 | 4.8k |
| 1622F | Quadratic Set | | | 2900 | 955 |
| 1621C | Hidden Permutations | | | 1700 | 7.6k |
| 1621D | The Winter Hike | | | 2100 | 4.4k |
| 1621G | Weighted Increasing Subsequences | | | 3200 | 901 |
| 1620B | Triangles on a Rectangle | | | 1000 | 33.4k |
| 1620C | BA-String | | | 1800 | 7.3k |
| 1619B | Squares and Cubes | | | 800 | 33.2k |
| 1619E | MEX and Increments | | | 1700 | 10.3k |
| 1619F | Let's Play the Hat? | | | 2000 | 2.4k |
| 1618A | Polycarp and Sums of Subsequences | | | 800 | 34.8k |
| 1618C | Paint the Array | | | 1100 | 34.1k |
| 1618D | Array and Operations | | | 1300 | 21.1k |
| 1618E | Singers' Tour | | | 1700 | 7.8k |
| 1618F | Reverse | | | 2000 | 4.8k |
| 1617B | GCD Problem | | | 900 | 27.2k |
| 1617C | Paprika and Permutation | | | 1300 | 16.1k |
| 1617D2 | Too Many Impostors (hard version) | | | 2400 | 2.1k |
| 1617E | Christmas Chocolates | | | 2700 | 1.1k |
| 1616C | Representative Edges | | | 1500 | 13.3k |
| 1616D | Keep the Average High | | | 2000 | 5.7k |
| 1616F | Tricolor Triangles | | | 2900 | 766 |
| 1616H | Keep XOR Low | | | 3000 | 1.4k |
| 1615A | Closing The Gap | | | 800 | 21.7k |
| 1615B | And It's Non-Zero | | | 1300 | 18.1k |
| 1615C | Menorah | | | 1600 | 9.3k |
| 1615E | Purple Crayon | | | 2400 | 1.8k |
| 1615F | LEGOndary Grandmaster | | | 2800 | 1.2k |
| 1614C | Divan and bitwise operations | | | 1500 | 11.4k |
| 1613A | Long Comparison | | | 900 | 26.8k |
| 1613D | MEX Sequences | | | 1900 | 5.4k |
| 1612C | Chat Ban | | | 1300 | 27.3k |
| 1612D | X-Magic Pair | | | 1600 | 10.4k |
| 1611A | Make Even | | | 800 | 33.6k |
| 1611B | Team Composition: Programmers and Mathematicians | | | 800 | 32.2k |
| 1610A | Anti Light's Cell Guessing | | | 900 | 17.2k |
| 1610D | Not Quite Lee | | | 2000 | 3.1k |
| 1610E | AmShZ and G.O.A.T. | | | 2300 | 2.1k |
| 1609A | Divide and Multiply | | | 900 | 19.1k |
| 1609G | A Stroll Around the Matrix | | | 3000 | 617 |
| 1608A | Find Array | | | 800 | 20.4k |
| 1608D | Dominoes | | | 2400 | 1.6k |
| 1607B | Odd Grasshopper | | | 900 | 41.9k |
| 1607D | Blue-Red Permutation | | | 1300 | 18.3k |
| 1606B | Update Files | | | 1100 | 19.7k |
| 1606E | Arena | | | 2100 | 4.3k |
| 1605A | A.M. Deviation | | | 800 | 21.7k |
| 1605E | Array Equalizer | | | 2400 | 1.2k |
| 1603A | Di-visible Confusion | | | 1300 | 17.9k |
| 1603B | Moderate Modular Mode | | | 1600 | 15.2k |
| 1603C | Extreme Extension | | | 2300 | 2.3k |
| 1603E | A Perfect Problem | | | 3200 | 670 |
| 1603F | October 18, 2017 | | | 2700 | 403 |
| 1601A | Array Elimination | | | 1300 | 22.3k |
| 1601F | Two Sorts | | | 3400 | 309 |
| 1600F | Party Organization | | | 2300 | 640 |
| 1599C | Bubble Strike | | | 2000 | 2k |
| 1599G | Shortest path | | | 2700 | 436 |
| 1599H | Hidden Fortress | | | 2100 | 1.3k |
| 1598C | Delete Two Elements | | | 1200 | 23.9k |
| 1598D | Training Session | | | 1700 | 10.8k |
| 1598E | Staircases | | | 2100 | 2.5k |
| 1598G | The Sum of Good Numbers | | | 3200 | 441 |
| 1594A | Consecutive Sum Riddle | | | 800 | 27.4k |
| 1594B | Special Numbers | | | 1100 | 22.4k |
| 1594C | Make Them Equal | | | 1200 | 30k |
| 1594E1 | Rubik's Cube Coloring (easy version) | | | 1300 | 12.4k |
| 1594E2 | Rubik's Cube Coloring (hard version) | | | 2300 | 1.7k |
| 1594F | Ideal Farm | | | 2400 | 1.6k |
| 1593A | Elections | | | 800 | 42k |
| 1593B | Make it Divisible by 25 | | | 900 | 43.1k |
| 1593D1 | All are Same | | | 1100 | 22.2k |
| 1593D2 | Half of Same | | | 1900 | 5.6k |
| 1593F | Red-Black Number | | | 2100 | 2.7k |
| 1592A | Gamer Hemose | | | 800 | 23.9k |
| 1592B | Hemose Shopping | | | 1200 | 17.4k |
| 1592D | Hemose in ICPC ? | | | 2300 | 2.7k |
| 1592E | Bored Bakry | | | 2400 | 2k |
| 1586I | Omkar and Mosaic | | | 3500 | 355 |
| 1585D | Yet Another Sorting Problem | | | 1900 | 4.5k |
| 1585F | Non-equal Neighbours | | | 2400 | 1.7k |
| 1584A | Mathematical Addition | | | 800 | 15.6k |
| 1584B | Coloring Rectangles | | | 1000 | 14.4k |
| 1584C | Two Arrays | | | 900 | 17.9k |
| 1584D | Guess the Permutation | | | 2000 | 4k |
| 1583A | Windblume Ode | | | 800 | 14.4k |
| 1583G | Omkar and Time Travel | | | 3000 | 543 |
| 1582A | Luntik and Concerts | | | 800 | 19.9k |
| 1582B | Luntik and Subsequences | | | 900 | 35.7k |
| 1582D | Vupsen, Pupsen and 0 | | | 1600 | 11.7k |
| 1582E | Pchelyonok and Segments | | | 2000 | 4.3k |
| 1581A | CQXYM Count Permutations | | | 800 | 14.3k |
| 1581B | Diameter of Graph | | | 1200 | 12.6k |
| 1580F | Problems for Codeforces | | | 3300 | 226 |
| 1579A | Casimir's String Solitaire | | | 800 | 42.5k |
| 1579E1 | Permutation Minimization by Deque | | | 1000 | 25.6k |
| 1579F | Array Stabilization (AND version) | | | 1700 | 5.4k |