| 1329D | Dreamoon Likes Strings | | | 3100 | 553 |
| 1329E | Dreamoon Loves AA | | | 3300 | 347 |
| 1328A | Divisibility Problem | | | 800 | 135.8k |
| 1328B | K-th Beautiful String | | | 1300 | 32.5k |
| 1328C | Ternary XOR | | | 1200 | 33.4k |
| 1328D | Carousel | | | 1800 | 14.7k |
| 1328E | Tree Queries | | | 1900 | 12.3k |
| 1328F | Make k Equal | | | 2200 | 3.6k |
| 1327A | Sum of Odd Integers | | | 1100 | 46.7k |
| 1327B | Princesses and Princes | | | 1200 | 19.7k |
| 1327C | Game with Chips | | | 1600 | 14.1k |
| 1327D | Infinite Path | | | 2200 | 3.6k |
| 1327E | Count The Blocks | | | 1800 | 9.8k |
| 1327F | AND Segments | | | 2500 | 2.1k |
| 1327G | Letters and Question Marks | | | 2800 | 592 |
| 1326A | Bad Ugly Numbers | | | 1000 | 33k |
| 1326B | Maximums | | | 900 | 25.5k |
| 1326C | Permutation Partitions | | | 1300 | 16.6k |
| 1326D1 | Prefix-Suffix Palindrome (Easy version) | | | 1500 | 13.4k |
| 1326D2 | Prefix-Suffix Palindrome (Hard version) | | | 1800 | 12.1k |
| 1326E | Bombs | | | 2400 | 2.6k |
| 1326F1 | Wise Men (Easy Version) | | | 2600 | 1.1k |
| 1326F2 | Wise Men (Hard Version) | | | 3200 | 729 |
| 1326G | Spiderweb Trees | | | 3500 | 112 |
| 1325A | EhAb AnD gCd | | | 800 | 47.1k |
| 1325B | CopyCopyCopyCopyCopy | | | 800 | 39.1k |
| 1325C | Ehab and Path-etic MEXs | | | 1500 | 17.9k |
| 1325D | Ehab the Xorcist | | | 1700 | 13.8k |
| 1325E | Ehab's REAL Number Theory Problem | | | 2600 | 2.4k |
| 1325F | Ehab's Last Theorem | | | 2500 | 2.4k |
| 1324A | Yet Another Tetris Problem | | | 900 | 27.5k |
| 1324B | Yet Another Palindrome Problem | | | 1100 | 31k |
| 1324C | Frog Jumps | | | 1100 | 30.9k |
| 1324D | Pair of Topics | | | 1400 | 35k |
| 1324E | Sleeping Schedule | | | 1700 | 17.6k |
| 1324F | Maximum White Subtree | | | 1800 | 13.7k |
| 1323A | Even Subset Sum Problem | | | 800 | 21k |
| 1323B | Count Subrectangles | | | 1500 | 12.3k |
| 1322A | Unusual Competitions | | | 1300 | 12.9k |
| 1322B | Present | | | 2100 | 4.7k |
| 1322C | Instant Noodles | | | 2300 | 2.8k |
| 1322D | Reality Show | | | 2800 | 910 |
| 1322E | Median Mountain Range | | | 3300 | 363 |
| 1322F | Assigning Fares | | | 3500 | 170 |
| 1321A | Contest for Robots | | | 900 | 15.1k |
| 1321C | Remove Adjacent | | | 1600 | 10.6k |
| 1320A | Journey Planning | | | 1400 | 22.8k |
| 1320B | Navigation System | | | 1700 | 6.5k |
| 1320C | World of Darkraft: Battle for Azathoth | | | 2000 | 3.4k |
| 1320D | Reachable Strings | | | 2500 | 1.7k |
| 1320E | Treeland and Viruses | | | 3000 | 1.1k |
| 1320F | Blocks and Sensors | | | 3500 | 177 |
| 1316A | Grade Allocation | | | 800 | 19.9k |
| 1316B | String Modification | | | 1400 | 11.8k |
| 1316C | Primitive Primes | | | 1800 | 7.6k |
| 1316D | Nash Matrix | | | 2000 | 3.7k |
| 1316E | Team Building | | | 2300 | 5.7k |
| 1316F | Battalion Strength | | | 2800 | 954 |
| 1315A | Dead Pixel | | | 800 | 13k |
| 1315B | Homecoming | | | 1300 | 9.7k |
| 1315C | Restoring Permutation | | | 1200 | 10.7k |
| 1313A | Fast Food Restaurant | | | 900 | 16.4k |
| 1313B | Different Rules | | | 1700 | 7.1k |
| 1313C1 | Skyscrapers (easy version) | | | 1500 | 11.2k |
| 1313C2 | Skyscrapers (hard version) | | | 1900 | 7.5k |
| 1313D | Happy New Year | | | 2500 | 1.6k |
| 1313E | Concatenation with intersection | | | 2700 | 781 |
| 1312A | Two Regular Polygons | | | 800 | 27.7k |
| 1312B | Bogosort | | | 1000 | 41.2k |
| 1312C | Adding Powers | | | 1400 | 18.6k |
| 1312D | Count the Arrays | | | 1700 | 10.8k |
| 1312E | Array Shrinking | | | 2100 | 7.8k |
| 1312F | Attack on Red Kingdom | | | 2500 | 1.1k |
| 1312G | Autocompletion | | | 2600 | 1.2k |
| 1311A | Add Odd or Subtract Even | | | 800 | 46.7k |
| 1311B | WeirdSort | | | 1200 | 20.2k |
| 1311C | Perform the Combo | | | 1300 | 17k |
| 1311D | Three Integers | | | 2000 | 10k |
| 1311E | Construct the Binary Tree | | | 2200 | 2.9k |
| 1311F | Moving Points | | | 1900 | 4.9k |
| 1310A | Recommendations | | | 1700 | 5.7k |
| 1310B | Double Elimination | | | 2500 | 631 |
| 1310C | Au Pont Rouge | | | 2800 | 779 |
| 1310D | Tourism | | | 2300 | 2.1k |
| 1310E | Strange Function | | | 2900 | 482 |
| 1310F | Bad Cryptography | | | 3400 | 214 |
| 1307A | Cow and Haybales | | | 800 | 15.7k |
| 1307B | Cow and Friend | | | 1300 | 13.9k |
| 1307C | Cow and Message | | | 1500 | 12.8k |
| 1307D | Cow and Fields | | | 1900 | 7.4k |
| 1307E | Cow and Treats | | | 2500 | 1.5k |
| 1307F | Cow and Vacation | | | 3300 | 690 |
| 1307G | Cow and Exercise | | | 3100 | 745 |
| 1305A | Kuroni and the Gifts | | | 800 | 14.7k |
| 1305B | Kuroni and Simple Strings | | | 1200 | 12.6k |
| 1305C | Kuroni and Impossible Calculation | | | 1600 | 19.7k |
| 1305D | Kuroni and the Celebration | | | 1900 | 5.4k |
| 1305E | Kuroni and the Score Distribution | | | 2200 | 3.3k |
| 1305F | Kuroni and the Punishment | | | 2500 | 3.3k |
| 1305G | Kuroni and Antihype | | | 3500 | 1.5k |