| 1292B | Aroma's Search | | | 1700 | 6.8k |
| 1292C | Xenon's Attack on the Gangs | | | 2300 | 2.4k |
| 1292D | Chaotic V. | | | 2700 | 1.1k |
| 1292E | Rin and The Unknown Flower | | | 3500 | 469 |
| 1291A | Even But Not Even | | | 900 | 20.9k |
| 1291B | Array Sharpening | | | 1300 | 15.5k |
| 1287A | Angry Students | | | 800 | 23k |
| 1286A | Garland | | | 1800 | 9.8k |
| 1286B | Numbers on Tree | | | 1800 | 5.7k |
| 1285B | Just Eat It! | | | 1300 | 32.4k |
| 1285D | Dr. Evil Underscores | | | 1900 | 8.7k |
| 1283D | Christmas Trees | | | 1800 | 10k |
| 1283E | New Year Parties | | | 1800 | 7.5k |
| 1283F | DIY Garland | | | 2200 | 2.2k |
| 1282B1 | K for the Price of One (Easy Version) | | | 1400 | 12.2k |
| 1282B2 | K for the Price of One (Hard Version) | | | 1600 | 11.2k |
| 1282C | Petya and Exam | | | 1800 | 4.7k |
| 1281B | Azamon Web Services | | | 1600 | 8.7k |
| 1280C | Jeremy Bearimy | | | 2000 | 3.1k |
| 1280D | Miss Punyverse | | | 2500 | 1.3k |
| 1278B | A and B | | | 1500 | 14.3k |
| 1278C | Berry Jam | | | 1700 | 8.8k |
| 1277B | Make Them Odd | | | 1200 | 17.3k |
| 1276A | As Simple as One and Two | | | 1400 | 13k |
| 1276C | Beautiful Rectangle | | | 2300 | 1.8k |
| 1272A | Three Friends | | | 900 | 22.2k |
| 1272B | Snow Walking Robot | | | 1200 | 14.7k |
| 1271A | Suits | | | 800 | 15.7k |
| 1271B | Blocks | | | 1300 | 12.1k |
| 1271C | Shawarma Tent | | | 1300 | 11.2k |
| 1271D | Portals | | | 2100 | 3.5k |
| 1270A | Card Game | | | 800 | 17.9k |
| 1270B | Interesting Subarray | | | 1200 | 17.5k |
| 1268A | Long Beautiful Integer | | | 1700 | 9.2k |
| 1268B | Domino for Young | | | 2000 | 6.5k |
| 1267E | Elections | | | 1700 | 3.6k |
| 1267J | Just Arrange the Icons | | | 1800 | 3.1k |
| 1266C | Diverse Matrix | | | 1400 | 10.1k |
| 1266D | Decreasing Debts | | | 2000 | 3.9k |
| 1266E | Spaceship Solitaire | | | 2100 | 2.5k |
| 1265A | Beautiful String | | | 1000 | 16k |
| 1264A | Beautiful Regional Contest | | | 1500 | 10.5k |
| 1264B | Beautiful Sequence | | | 1900 | 6.1k |
| 1263B | PIN Codes | | | 1400 | 11.8k |
| 1260C | Infinite Fence | | | 1700 | 8.9k |
| 1260D | A Game with Traps | | | 1900 | 4.3k |
| 1260E | Tournament | | | 2400 | 2k |
| 1257A | Two Rival Students | | | 800 | 21.7k |
| 1257C | Dominated Subarray | | | 1200 | 17.4k |
| 1257D | Yet Another Monster Killing Problem | | | 1700 | 8.2k |
| 1257E | The Contest | | | 2000 | 4.7k |
| 1257G | Divisor Set | | | 2600 | 798 |
| 1256B | Minimize the Permutation | | | 1400 | 13.8k |
| 1256C | Platforms Jumping | | | 1700 | 7.4k |
| 1256D | Binary String Minimizing | | | 1500 | 12.9k |
| 1256E | Yet Another Division Into Teams | | | 2000 | 4.8k |
| 1254A | Feeding Chicken | | | 1700 | 5.8k |
| 1254B1 | Send Boxes to Alice (Easy Version) | | | 1800 | 5.1k |
| 1254B2 | Send Boxes to Alice (Hard Version) | | | 2100 | 3.5k |
| 1253B | Silly Mistake | | | 1400 | 11.7k |
| 1253C | Sweets Eating | | | 1500 | 15.6k |
| 1253D | Harmonious Graph | | | 1700 | 10.5k |
| 1253E | Antenna Coverage | | | 2200 | 3.2k |
| 1252E | Songwriter | | | 2200 | 1.4k |
| 1252H | Twin Buildings | | | 1800 | 2.9k |
| 1251B | Binary Palindromes | | | 1400 | 11.7k |
| 1251C | Minimize The Integer | | | 1600 | 14.7k |
| 1251D | Salary Changing | | | 1900 | 6.7k |
| 1251E1 | Voting (Easy Version) | | | 2300 | 2.6k |
| 1251E2 | Voting (Hard Version) | | | 2400 | 3k |
| 1250B | The Feast and the Bus | | | 1800 | 2.8k |
| 1250G | Discarding Game | | | 2300 | 804 |
| 1250I | Show Must Go On | | | 3100 | 231 |
| 1250J | The Parade | | | 1800 | 3.3k |
| 1250L | Divide The Students | | | 1500 | 4.7k |
| 1250N | Wires | | | 2000 | 1.8k |
| 1249C1 | Good Numbers (easy version) | | | 1300 | 16.7k |
| 1249C2 | Good Numbers (hard version) | | | 1500 | 13.6k |
| 1249D1 | Too Many Segments (easy version) | | | 1800 | 5.6k |
| 1249D2 | Too Many Segments (hard version) | | | 1800 | 5.9k |
| 1248B | Grow The Tree | | | 900 | 18.1k |
| 1248D1 | The World Is Just a Programming Task (Easy Version) | | | 2000 | 2.6k |
| 1245B | Restricted RPS | | | 1200 | 14.6k |
| 1245D | Shichikuji and Power Grid | | | 1900 | 10.1k |
| 1244E | Minimizing Difference | | | 2000 | 6.8k |
| 1244G | Running in Pairs | | | 2400 | 1.6k |
| 1239C | Queue in the Train | | | 2300 | 1.8k |
| 1238B | Kill `Em All | | | 1300 | 15.8k |
| 1238C | Standard Free2play | | | 1600 | 7.9k |
| 1238G | Adilbek and the Watering System | | | 2700 | 534 |
| 1237C1 | Balanced Removals (Easier) | | | 1700 | 6.3k |
| 1237C2 | Balanced Removals (Harder) | | | 1900 | 4.6k |
| 1237G | Balanced Distribution | | | 3500 | 168 |
| 1236A | Stones | | | 800 | 17.3k |
| 1236C | Labs | | | 1300 | 10.6k |
| 1236D | Alice and the Doll | | | 2300 | 1.8k |
| 1231C | Increasing Matrix | | | 1100 | 4.4k |
| 1231E | Middle-Out | | | 2200 | 951 |
| 1230B | Ania and Minimizing | | | 1000 | 19.7k |
| 1227D1 | Optimal Subsequences (Easy Version) | | | 1600 | 6.9k |