| 1442E | Black, White and Grey Tree | | | 3000 | 805 |
| 1442F | Differentiating Games | | | 3400 | 173 |
| 1440A | Buy the String | | | 800 | 20.4k |
| 1440B | Sum of Medians | | | 900 | 32.4k |
| 1439A1 | Binary Table (Easy Version) | | | 1500 | 9.8k |
| 1439A2 | Binary Table (Hard Version) | | | 1900 | 5.4k |
| 1439B | Graph Subset Problem | | | 2600 | 1.7k |
| 1439C | Greedy Shopping | | | 2600 | 2.3k |
| 1439D | INOI Final Contests | | | 3100 | 577 |
| 1439E | Cheat and Win | | | 3500 | 302 |
| 1438A | Specific Tastes of Andre | | | 800 | 19.8k |
| 1438B | Valerii Against Everyone | | | 1000 | 30.9k |
| 1438C | Engineer Artem | | | 2000 | 11.8k |
| 1438D | Powerful Ksenia | | | 2200 | 4.7k |
| 1438E | Yurii Can Do Everything | | | 2500 | 1.5k |
| 1438F | Olha and Igor | | | 3000 | 812 |
| 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 |
| 1437E | Make It Increasing | | | 2200 | 4k |
| 1437F | Emotional Fishermen | | | 2600 | 1.7k |
| 1437G | Death DBMS | | | 2600 | 1.3k |
| 1436A | Reorder | | | 800 | 23.6k |
| 1436B | Prime Square | | | 900 | 21.8k |
| 1436C | Binary Search | | | 1500 | 11.8k |
| 1436D | Bandit in a City | | | 1900 | 6.6k |
| 1436E | Complicated Computations | | | 2400 | 3k |
| 1436F | Sum Over Subsets | | | 2800 | 693 |
| 1434E | A Convex Game | | | 3500 | 307 |
| 1433A | Boring Apartments | | | 800 | 63.7k |
| 1433B | Yet Another Bookshelf | | | 800 | 30k |
| 1433C | Dominant Piranha | | | 900 | 28.8k |
| 1433D | Districts Connection | | | 1200 | 32k |
| 1433E | Two Round Dances | | | 1300 | 20k |
| 1433F | Zero Remainder Sum | | | 2100 | 6.9k |
| 1433G | Reducing Delivery Cost | | | 2100 | 5.3k |
| 1431A | Selling Hamburgers | | | 800 | 2.2k |
| 1431B | Polycarp and the Language of Gods | | | 1400 | 1.1k |
| 1431C | Black Friday | | | 1600 | 748 |
| 1431D | Used Markers | | | 1500 | 491 |
| 1431E | Chess Match | | | 2000 | 235 |
| 1431F | Neural Network Problem | | | 2100 | 165 |
| 1431G | Number Deletion Game | | | 2100 | 212 |
| 1431H | Rogue-like Game | | | 2600 | 82 |
| 1431I | Cyclic Shifts | | | 2900 | 56 |
| 1431J | Zero-XOR Array | | | 3400 | 55 |
| 1430A | Number of Apartments | | | 900 | 22k |
| 1430B | Barrels | | | 800 | 20.4k |
| 1430C | Numbers on Whiteboard | | | 1000 | 28.8k |
| 1430D | String Deletion | | | 1700 | 9.4k |
| 1430E | String Reversal | | | 1900 | 7.4k |
| 1430F | Realistic Gameplay | | | 2600 | 1.1k |
| 1430G | Yet Another DAG Problem | | | 2600 | 949 |
| 1428A | Box is Pull | | | 800 | 17.1k |
| 1428B | Belted Rooms | | | 1200 | 15.3k |
| 1428C | ABBB | | | 1100 | 22.9k |
| 1428D | Bouncing Boomerangs | | | 1900 | 4.8k |
| 1428E | Carrots for Rabbits | | | 2200 | 4.4k |
| 1428F | Fruit Sequences | | | 2400 | 2.6k |
| 1428G1 | Lucky Numbers (Easy Version) | | | 2900 | 698 |
| 1428G2 | Lucky Numbers (Hard Version) | | | 3000 | 843 |
| 1428H | Rotary Laser Lock | | | 3500 | 131 |
| 1427A | Avoiding Zero | | | 900 | 18.2k |
| 1427B | Chess Cheater | | | 1400 | 11.5k |
| 1427C | The Hard Work of Paparazzi | | | 2000 | 6.2k |
| 1427D | Unshuffling a Deck | | | 2000 | 3.7k |
| 1427E | Xum | | | 2500 | 1.7k |
| 1427F | Boring Card Game | | | 3200 | 419 |
| 1427G | One Billion Shades of Grey | | | 3300 | 512 |
| 1427H | Prison Break | | | 3500 | 97 |
| 1426A | Floor Number | | | 800 | 55.8k |
| 1426B | Symmetric Matrix | | | 900 | 22k |
| 1426C | Increase and Copy | | | 1100 | 20.8k |
| 1426D | Non-zero Segments | | | 1500 | 17.8k |
| 1426E | Rock, Paper, Scissors | | | 1800 | 8.2k |
| 1426F | Number of Subsequences | | | 2000 | 6.4k |
| 1425A | Arena of Greed | | | 1400 | 7.3k |
| 1425B | Blue and Red of Our Faculty! | | | 2600 | 380 |
| 1425C | Captain of Knights | | | 3100 | 105 |
| 1425D | Danger of Mad Snakes | | | 2300 | 925 |
| 1425E | Excitation of Atoms | | | 2200 | 1k |
| 1425F | Flamingoes of Mystery | | | 1400 | 7.3k |
| 1425H | Huge Boxes of Animal Toys | | | 1300 | 4.4k |
| 1425I | Impressive Harvesting of The Orchard | | | 2800 | 277 |
| 1424G | Years | | | 1300 | 6.8k |
| 1424M | Ancient Language | | | 2200 | 637 |
| 1423A | Wakanda Forever | | | 3500 | 127 |
| 1423B | Valuable Paper | | | 1900 | 2.2k |
| 1423C | Dušan's Railway | | | 3500 | 222 |
| 1423D | Does anyone else hate the wind? | | | 3100 | 71 |
| 1423E | 5G Antenna Towers | | | 2700 | 136 |
| 1423F | Coins | | | 2700 | 540 |
| 1423G | Growing flowers | | | 3500 | 347 |
| 1423H | Virus | | | 2500 | 669 |
| 1423I | Lookup Tables | | | 3000 | 282 |
| 1423J | Bubble Cup hypothesis | | | 2400 | 915 |
| 1423K | Lonely Numbers | | | 1600 | 5.5k |
| 1423L | Light switches | | | 2600 | 661 |
| 1423M | Milutin's Plums | | | 2800 | 349 |