| 1370C | Number Game | | | 1400 | 27.5k |
| 1366D | Two Divisors | | | 2000 | 12.6k |
| 1360D | Buying Shovels | | | 1300 | 44.8k |
| 1359E | Modular Stability | | | 2000 | 6.8k |
| 1350B | Orac and Models | | | 1400 | 30.7k |
| 1349A | Orac and LCM | | | 1600 | 22.4k |
| 1346G | Two IP Cameras | | | 2300 | 153 |
| 1344A | Hilbert's Hotel | | | 1600 | 16.6k |
| 1342C | Yet Another Counting Problem | | | 1600 | 15.1k |
| 1334E | Divisor Paths | | | 2200 | 3.2k |
| 1333F | Kate and imperfection | | | 2200 | 4.6k |
| 1332B | Composite Coloring | | | 1400 | 19.3k |
| 1331B | Limericks | | | unrated | 7.2k |
| 1327D | Infinite Path | | | 2200 | 3.6k |
| 1322C | Instant Noodles | | | 2300 | 2.8k |
| 1312A | Two Regular Polygons | | | 800 | 27.7k |
| 1312C | Adding Powers | | | 1400 | 18.5k |
| 1310F | Bad Cryptography | | | 3400 | 214 |
| 1305C | Kuroni and Impossible Calculation | | | 1600 | 19.7k |
| 1305F | Kuroni and the Punishment | | | 2500 | 3.3k |
| 1295D | Same GCDs | | | 1800 | 10.4k |
| 1294C | Product of Three Numbers | | | 1300 | 48.4k |
| 1292D | Chaotic V. | | | 2700 | 1.1k |
| 1285C | Fadi and LCM | | | 1400 | 28.8k |
| 1278F | Cards | | | 2600 | 2.7k |
| 1266C | Diverse Matrix | | | 1400 | 10.1k |
| 1263C | Everyone is a Winner! | | | 1400 | 14.7k |
| 1260C | Infinite Fence | | | 1700 | 8.9k |
| 1257G | Divisor Set | | | 2600 | 798 |
| 1254B1 | Send Boxes to Alice (Easy Version) | | | 1800 | 5.1k |
| 1254B2 | Send Boxes to Alice (Hard Version) | | | 2100 | 3.5k |
| 1245A | Good ol' Numbers Coloring | | | 1000 | 15k |
| 1244C | The Football Season | | | 2000 | 8.4k |
| 1242A | Tile Painting | | | 1500 | 13.3k |
| 1238A | Prime Subtraction | | | 900 | 28.5k |
| 1228C | Primes and Multiplication | | | 1700 | 9.8k |
| 1225D | Power Products | | | 1800 | 10.5k |
| 1223G | Wooden Raft | | | 3200 | 385 |
| 1220B | Multiplication Table | | | 1300 | 12.2k |
| 1220D | Alex and Julian | | | 1900 | 4.2k |
| 1210C | Kamil and Making a Stream | | | 2000 | 3.7k |
| 1209B | Koala and Lights | | | 1300 | 8.6k |
| 1208G | Polygons | | | 2800 | 973 |
| 1204E | Natasha, Sasha and the Prefix Sums | | | 2300 | 2.2k |
| 1200C | Round Corridor | | | 1400 | 10.7k |
| 1200F | Graph Traveler | | | 2300 | 1.2k |
| 1195D1 | Submarine in the Rybinsk Sea (easy edition) | | | 1500 | 8.2k |
| 1195D2 | Submarine in the Rybinsk Sea (hard edition) | | | 1800 | 4.9k |
| 1188B | Count Pairs | | | 2300 | 5.3k |
| 1184A1 | Heidi Learns Hashing (Easy) | | | 1200 | 6.6k |
| 1184A3 | Heidi Learns Hashing (Hard) | | | 3100 | 171 |
| 1182E | Product Oriented Recurrence | | | 2300 | 3.5k |
| 1178D | Prime Graph | | | 1500 | 8k |
| 1174E | Ehab and the Expected GCD Problem | | | 2500 | 1.8k |
| 1166B | All the Vowels Please | | | 1100 | 12k |
| 1166E | The LCMs Must be Large | | | 2100 | 3k |
| 1165D | Almost All Divisors | | | 1600 | 20.2k |
| 1155C | Alarm Clocks Everywhere | | | 1300 | 9.8k |
| 1154G | Minimum Possible LCM | | | 2200 | 3.4k |
| 1152C | Neko does Maths | | | 1800 | 7.1k |
| 1149A | Prefix Sum Primes | | | 1200 | 18.2k |
| 1148G | Gold Experience | | | 3300 | 615 |
| 1146D | Frog Jumping | | | 2100 | 1.2k |
| 1144E | Median String | | | 1900 | 4.5k |
| 1143B | Nirvana | | | 1200 | 11.7k |
| 1139D | Steps to One | | | 2300 | 2.8k |
| 1133B | Preparation for International Women's Day | | | 1200 | 14.5k |
| 1133D | Zero Quantity Maximization | | | 1500 | 17.3k |
| 1114C | Trailing Loves (or L'oeufs?) | | | 1700 | 8k |
| 1114F | Please, another Queries on Array? | | | 2400 | 2.6k |
| 1110C | Meaningless Operations | | | 1500 | 10.1k |
| 1108B | Divisors of Two Integers | | | 1100 | 25.4k |
| 1107B | Digital root | | | 1000 | 17.9k |
| 1107D | Compression | | | 1800 | 3.9k |
| 1106F | Lunar New Year and a Recursive Sequence | | | 2400 | 1.2k |
| 1103E | Radix sum | | | 3400 | 387 |
| 1098E | Fedya the Potter | | | 3400 | 372 |
| 1097D | Makoto and a Blackboard | | | 2200 | 3.2k |
| 1091C | New Year and the Sphere Transmission | | | 1400 | 10.6k |
| 1091G | New Year and the Factorisation Collaboration | | | 3200 | 242 |
| 1081E | Missing Numbers | | | 1900 | 2.8k |
| 1076B | Divisor Subtraction | | | 1200 | 14.8k |
| 1068B | LCM | | | 1200 | 13.3k |
| 1062B | Math | | | 1500 | 10.1k |
| 1061C | Multiplicity | | | 1700 | 11k |
| 1056B | Divide Candies | | | 1600 | 4.6k |
| 1055C | Lucky Days | | | 1900 | 2.1k |
| 1054H | Epic Convolution | | | 3500 | 319 |
| 1051B | Relatively Prime Pairs | | | 1000 | 19k |
| 1043F | Make It One | | | 2500 | 3.1k |
| 1036F | Relatively Prime Powers | | | 2400 | 1.9k |
| 1033B | Square Difference | | | 1100 | 12.3k |
| 1033D | Divisors | | | 2000 | 2.6k |
| 1029F | Multicolored Markers | | | 2000 | 2.9k |
| 1027G | X-mouse in the Campus | | | 2600 | 386 |
| 1025D | Recovering BST | | | 2100 | 4.3k |
| 1016G | Appropriate Team | | | 2700 | 364 |
| 1007B | Pave the Parallelepiped | | | 2400 | 1.1k |
| 992B | Nastya Studies Informatics | | | 1600 | 6.8k |
| 986E | Prince's Problem | | | 2800 | 959 |