| 1442B | Identify the Operations | | | 1800 | 5.4k |
| 1442C | Graph Transpositions | | | 2400 | 2k |
| 1442D | Sum | | | 2800 | 3k |
| 1442E | Black, White and Grey Tree | | | 3000 | 805 |
| 1440B | Sum of Medians | | | 900 | 32.4k |
| 1439A2 | Binary Table (Hard Version) | | | 1900 | 5.4k |
| 1439C | Greedy Shopping | | | 2600 | 2.3k |
| 1438B | Valerii Against Everyone | | | 1000 | 30.8k |
| 1437A | Marketing Scheme | | | 800 | 18.5k |
| 1437B | Reverse Binary Strings | | | 1200 | 21.1k |
| 1437C | Chef Monocarp | | | 1800 | 12.5k |
| 1437D | Minimal Height Tree | | | 1600 | 14.6k |
| 1436D | Bandit in a City | | | 1900 | 6.6k |
| 1433B | Yet Another Bookshelf | | | 800 | 30k |
| 1433C | Dominant Piranha | | | 900 | 28.8k |
| 1431D | Used Markers | | | 1500 | 491 |
| 1431F | Neural Network Problem | | | 2100 | 165 |
| 1431G | Number Deletion Game | | | 2100 | 212 |
| 1431H | Rogue-like Game | | | 2600 | 82 |
| 1430B | Barrels | | | 800 | 20.4k |
| 1430C | Numbers on Whiteboard | | | 1000 | 28.7k |
| 1430D | String Deletion | | | 1700 | 9.4k |
| 1430E | String Reversal | | | 1900 | 7.4k |
| 1430F | Realistic Gameplay | | | 2600 | 1.1k |
| 1428C | ABBB | | | 1100 | 22.9k |
| 1428D | Bouncing Boomerangs | | | 1900 | 4.8k |
| 1428E | Carrots for Rabbits | | | 2200 | 4.4k |
| 1428G1 | Lucky Numbers (Easy Version) | | | 2900 | 698 |
| 1428G2 | Lucky Numbers (Hard Version) | | | 3000 | 843 |
| 1427B | Chess Cheater | | | 1400 | 11.5k |
| 1427F | Boring Card Game | | | 3200 | 418 |
| 1426D | Non-zero Segments | | | 1500 | 17.8k |
| 1426E | Rock, Paper, Scissors | | | 1800 | 8.2k |
| 1425A | Arena of Greed | | | 1400 | 7.3k |
| 1425E | Excitation of Atoms | | | 2200 | 1k |
| 1422B | Nice Matrix | | | 1300 | 15.1k |
| 1422E | Minlexes | | | 2700 | 912 |
| 1421A | XORwice | | | 800 | 36.6k |
| 1421D | Hexagons | | | 1900 | 4.4k |
| 1420C1 | Pokémon Army (easy version) | | | 1300 | 19.2k |
| 1420C2 | Pokémon Army (hard version) | | | 2100 | 5.3k |
| 1420E | Battle Lemmings | | | 2500 | 1.1k |
| 1419A | Digit Game | | | 900 | 20.7k |
| 1419B | Stairs | | | 1200 | 17.1k |
| 1419C | Killjoy | | | 1500 | 16.4k |
| 1419D1 | Sage's Birthday (easy version) | | | 1000 | 26.6k |
| 1419D2 | Sage's Birthday (hard version) | | | 1500 | 17.6k |
| 1418B | Negative Prefixes | | | 1300 | 17.7k |
| 1418C | Mortal Kombat Tower | | | 1500 | 29.7k |
| 1417A | Copy-paste | | | 800 | 18.8k |
| 1417B | Two Arrays | | | 1100 | 15.1k |
| 1416B | Make Them Equal | | | 2000 | 6.8k |
| 1416C | XOR Inverse | | | 2000 | 5.2k |
| 1416E | Split | | | 3200 | 546 |
| 1416F | Showing Off | | | 3300 | 713 |
| 1415B | Repainting Street | | | 1100 | 12.6k |
| 1415E | New Game Plus! | | | 2200 | 3.1k |
| 1413D | Shurikens | | | 1700 | 7k |
| 1413E | Solo mid Oracle | | | 2100 | 2.2k |
| 1411D | Grime Zoo | | | 2100 | 2.8k |
| 1411E | Poman Numbers | | | 2300 | 1.9k |
| 1411F | The Thorny Path | | | 3000 | 498 |
| 1409A | Yet Another Two Integers Problem | | | 800 | 82.2k |
| 1409B | Minimum Product | | | 1100 | 31.2k |
| 1409D | Decrease the Sum of Digits | | | 1500 | 21.6k |
| 1408B | Arrays Sum | | | 1400 | 10.5k |
| 1408E | Avoid Rainbow Cycles | | | 2400 | 2.2k |
| 1408H | Rainbow Triples | | | 3300 | 565 |
| 1407B | Big Vova | | | 1300 | 18.2k |
| 1407E | Egor in the Republic of Dagestan | | | 2500 | 2k |
| 1406A | Subset Mex | | | 900 | 23.3k |
| 1406B | Maximum Product | | | 1200 | 24.7k |
| 1406D | Three Sequences | | | 2200 | 3.9k |
| 1404C | Fixed Point Removal | | | 2300 | 3.1k |
| 1401B | Ternary Sequence | | | 1100 | 21.9k |
| 1401D | Maximum Distributed Tree | | | 1800 | 10.7k |
| 1400B | RPG Protagonist | | | 1700 | 11.7k |
| 1400C | Binary String Reconstruction | | | 1500 | 18.6k |
| 1400E | Clear the Multiset | | | 2200 | 6.5k |
| 1399A | Remove Smallest | | | 800 | 82.8k |
| 1399B | Gifts Fixing | | | 800 | 47.4k |
| 1399C | Boats Competition | | | 1200 | 33.2k |
| 1399D | Binary String To Subsequences | | | 1500 | 20.1k |
| 1399E1 | Weights Division (easy version) | | | 2000 | 6.4k |
| 1399E2 | Weights Division (hard version) | | | 2200 | 2.6k |
| 1398B | Substring Removal Game | | | 800 | 26.1k |
| 1398D | Colored Rectangles | | | 1800 | 12.7k |
| 1398E | Two Types of Spells | | | 2200 | 2.6k |
| 1398F | Controversial Rounds | | | 2500 | 1.5k |
| 1397A | Juggling Letters | | | 800 | 30k |
| 1396A | Multiples of Length | | | 1600 | 16.8k |
| 1396B | Stoned Game | | | 1800 | 13.2k |
| 1396C | Monster Invaders | | | 2300 | 2.9k |
| 1395C | Boboniu and Bit Operations | | | 1600 | 15.4k |
| 1394A | Boboniu Chats with Du | | | 1800 | 7.2k |
| 1394D | Boboniu and Jianghu | | | 2800 | 1.3k |
| 1393A | Rainbow Dash, Fluttershy and Chess Coloring | | | 800 | 20.9k |
| 1393B | Applejack and Storages | | | 1400 | 17.4k |
| 1393C | Pinkie Pie Eats Patty-cakes | | | 1700 | 11.1k |
| 1392A | Omkar and Password | | | 800 | 21.8k |