| 1556H | DIY Tree | | | 3300 | 513 |
| 1543C | Need for Pink Slips | | | 1900 | 5.7k |
| 1540B | Tree Array | | | 2300 | 3.1k |
| 1530F | Bingo | | | 2600 | 1.2k |
| 1526F | Median Queries | | | 3000 | 399 |
| 1525E | Assimilation IV | | | 2100 | 2.5k |
| 1523D | Love-Hate | | | 2400 | 2.5k |
| 1523E | Crypto Lights | | | 2600 | 2k |
| 1510I | Is It Rated? | | | 2700 | 598 |
| 1479D | Odd Mineral Resource | | | 2900 | 1.4k |
| 1479E | School Clubs | | | 3500 | 432 |
| 1477F | Nezzar and Chocolate Bars | | | 3500 | 369 |
| 1461C | Random Events | | | 1500 | 12.6k |
| 1459A | Red-Blue Shuffle | | | 800 | 18k |
| 1454A | Special Permutation | | | 800 | 44.5k |
| 1453D | Checkpoints | | | 1900 | 4.5k |
| 1438F | Olha and Igor | | | 3000 | 810 |
| 1418E | Expected Damage | | | 2400 | 2.3k |
| 1392H | ZS Shuffles Cards | | | 3000 | 1.2k |
| 1380G | Circular Dungeon | | | 2600 | 1k |
| 1364E | X-OR | | | 2700 | 1.7k |
| 1361E | James and the Chase | | | 3000 | 1k |
| 1354G | Find a Gift | | | 2600 | 982 |
| 1349D | Slime and Biscuits | | | 3200 | 1.2k |
| 1316F | Battalion Strength | | | 2800 | 954 |
| 1310D | Tourism | | | 2300 | 2.1k |
| 1305F | Kuroni and the Punishment | | | 2500 | 3.3k |
| 1295F | Good Contest | | | 2700 | 1.6k |
| 1286D | LCC | | | 3100 | 882 |
| 1279D | Santa's Bot | | | 1700 | 7.5k |
| 1278F | Cards | | | 2600 | 2.7k |
| 1267G | Game Relics | | | 3000 | 846 |
| 1265E | Beautiful Mirrors | | | 2100 | 4.7k |
| 1264C | Beautiful Mirrors with queries | | | 2400 | 1.4k |
| 1264D1 | Beautiful Bracket Sequence (easy version) | | | 2600 | 1.6k |
| 1264D2 | Beautiful Bracket Sequence (hard version) | | | 2900 | 1.5k |
| 1254D | Tree Queries | | | 2700 | 1.7k |
| 1245E | Hyakugoku and Ladders | | | 2300 | 1.4k |
| 1236F | Alice and the Cactus | | | 3000 | 327 |
| 1210F1 | Marek and Matching (easy version) | | | 3100 | 470 |
| 1210F2 | Marek and Matching (hard version) | | | 3200 | 501 |
| 1198F | GCD Groups 2 | | | 2900 | 1.1k |
| 1194F | Crossword Expert | | | 2400 | 1.3k |
| 1190F | Tokitsukaze and Powers | | | 3400 | 171 |
| 1187F | Expected Square Beauty | | | 2500 | 1.2k |
| 1172C1 | Nauuo and Pictures (easy version) | | | 2300 | 1.3k |
| 1172C2 | Nauuo and Pictures (hard version) | | | 2600 | 1.1k |
| 1156F | Card Bag | | | 2300 | 1.8k |
| 1153F | Serval and Bonus Problem | | | 2600 | 1k |
| 1151F | Sonya and Informatics | | | 2300 | 1.5k |
| 1148G | Gold Experience | | | 3300 | 615 |
| 1139D | Steps to One | | | 2300 | 2.8k |
| 1114E | Arithmetic Progression | | | 2200 | 3.3k |
| 1097D | Makoto and a Blackboard | | | 2200 | 3.2k |
| 1096E | The Top Scorer | | | 2500 | 1.4k |
| 1096F | Inversion Expectation | | | 2300 | 2.1k |
| 1081G | Mergesort Strikes Back | | | 3200 | 479 |
| 1067D | Computer Game | | | 3100 | 665 |
| 1061F | Lost Root | | | 2400 | 960 |
| 1045D | Interstellar battle | | | 2200 | 896 |
| 1042E | Vasya and Magic Matrix | | | 2300 | 2.1k |
| 1039B | Subway Pursuit | | | 2100 | 2.6k |
| 1009E | Intercity Travelling | | | 2000 | 3.4k |
| 989E | A Trance of Nightfall | | | 2700 | 333 |
| 960E | Alternating Tree | | | 2300 | 2.4k |
| 952D | I'm Feeling Lucky! | | | 1800 | 2.6k |
| 949F | Astronomy | | | 3300 | 64 |
| 935D | Fafa and Ancient Alphabet | | | 1900 | 2.9k |
| 930B | Game with String | | | 1600 | 3.2k |
| 913F | Strongly Connected Tournament | | | 2800 | 816 |
| 913H | Don't Exceed | | | 3400 | 209 |
| 912D | Fishes | | | 2100 | 2.2k |
| 908D | New Year and Arbitrary Arrangement | | | 2200 | 2.7k |
| 896C | Willem, Chtholly and Seniorious | | | 2600 | 4.6k |
| 895E | Eyes Closed | | | 2300 | 1.3k |
| 870D | Something with XOR Queries | | | 2000 | 1.3k |
| 859D | Third Month Insanity | | | 2100 | 1.2k |
| 846F | Random Query | | | 1800 | 2.7k |
| 843B | Interactive LowerBound | | | 2000 | 2.6k |
| 840D | Destiny | | | 2500 | 4.2k |
| 839C | Journey | | | 1500 | 20.8k |
| 802D3 | Marmots (hard) | | | 2800 | 155 |
| 768D | Jon and Orbs | | | 2200 | 3.5k |
| 768F | Barrels and boxes | | | 2300 | 1.2k |
| 749E | Inversions After Shuffle | | | 2400 | 1.3k |
| 739E | Gosha is hunting | | | 3000 | 2.8k |
| 717D | Dexterina’s Lab | | | 1900 | 1.6k |
| 717H | Pokermon League challenge | | | 2400 | 494 |
| 712E | Memory and Casinos | | | 2500 | 755 |
| 711E | ZS and The Birthday Paradox | | | 2300 | 1.4k |
| 698C | LRU | | | 2400 | 1.5k |
| 696B | Puzzles | | | 1700 | 3.9k |
| 679D | Bear and Chase | | | 2900 | 378 |
| 678E | Another Sith Tournament | | | 2200 | 2.8k |
| 662A | Gambling Nim | | | 2400 | 683 |
| 643E | Bear and Destroying Subtrees | | | 2700 | 756 |
| 641D | Little Artem and Random Variable | | | 2400 | 1.6k |
| 633E | Startup Funding | | | 2400 | 654 |
| 629E | Famil Door and Roads | | | 2300 | 1.2k |
| 626D | Jerry's Protest | | | 1800 | 3.2k |