| 661D | Maximal Difference | | | 2100 | 138 |
| 661E | Divisibility Check | | | 2000 | 93 |
| 661F | Primes in Interval | | | 1900 | 690 |
| 661G | Hungarian Notation | | | 2200 | 78 |
| 661H | Rotate Matrix | | | 2400 | 94 |
| 656A | Da Vinci Powers | | | 1900 | 3.8k |
| 656B | Scrambled | | | 1700 | 1.8k |
| 656C | Without Text | | | 2000 | 756 |
| 656D | Rosetta Problem | | | 2100 | 1k |
| 656E | Out of Controls | | | 2000 | 778 |
| 656F | Ace It! | | | 1900 | 963 |
| 656G | You're a Professional | | | 1900 | 516 |
| 644A | Parliament of Berland | | | 1000 | 4.7k |
| 644B | Processing Queries | | | 1700 | 2.9k |
| 644C | Hostname Aliases | | | 2100 | 1k |
| 638A | Home Numbers | | | 1100 | 4.4k |
| 638B | Making Genome in Berland | | | 1500 | 2.1k |
| 638C | Road Improvement | | | 1800 | 2.4k |
| 637A | Voting for Photos | | | 1000 | 5.9k |
| 637B | Chat Order | | | 1200 | 24.4k |
| 637C | Promocodes with Mistakes | | | 1400 | 2.5k |
| 637D | Running with Obstacles | | | 1600 | 2.1k |
| 530A | Quadratic equation | | | 1500 | 696 |
| 530B | String inside out | | | 1600 | 556 |
| 530C | Diophantine equation | | | 1500 | 627 |
| 530D | Set subtraction | | | 1600 | 462 |
| 530E | Sum and product | | | 1700 | 330 |
| 530F | Jumping frogs | | | 2100 | 112 |
| 530G | Levenshtein distance | | | 2100 | 568 |
| 530H | Points in triangle | | | 2100 | 131 |
| 530I | Different variables | | | 2500 | 53 |
| 523A | Rotate, Flip and Zoom | | | 1200 | 2.9k |
| 523B | Mean Requests | | | 1500 | 999 |
| 523C | Name Quest | | | 1400 | 2.6k |
| 523D | Statistics of Recompressing Videos | | | 1600 | 2.6k |
| 522A | Reposts | | | 1200 | 19.3k |
| 522B | Photo to Remember | | | 1100 | 9.6k |
| 522D | Closest Equals | | | 2000 | 4.2k |
| 470A | Crystal Ball Sequence | | | 1400 | 696 |
| 470B | Hexakosioihexekontahexaphobia | | | 1800 | 272 |
| 470C | Eval | | | 1900 | 263 |
| 470D | Caesar Cipher | | | 1900 | 158 |
| 470E | Chessboard | | | 1900 | 206 |
| 470F | Pairwise Sums | | | 2300 | 115 |
| 470G | Hamming Distance | | | 2300 | 132 |
| 470H | Array Sorting | | | 2300 | 195 |
| 411A | Password Check | | | 800 | 8.2k |
| 411C | Kicker | | | 1700 | 1.3k |
| 409A | The Great Game | | | 1700 | 2.6k |
| 409B | Mysterious Language | | | 1700 | 1.4k |
| 409C | Magnum Opus | | | 1700 | 2.1k |
| 409D | Big Data | | | 1700 | 1.8k |
| 409E | Dome | | | 1800 | 621 |
| 409F | 000001 | | | 1900 | 2.2k |
| 409G | On a plane | | | 2200 | 575 |
| 409H | A + B Strikes Back | | | 1500 | 9.6k |
| 409I | Feed the Golorp | | | 2400 | 169 |
| 345A | Expecting Trouble | | | 1500 | 546 |
| 345B | Triskaidekaphobia | | | 2100 | 129 |
| 345C | Counting Fridays | | | 2000 | 130 |
| 345D | Chain Letter | | | 2200 | 83 |
| 345E | Black Cat Rush | | | 2700 | 57 |
| 345F | Superstitions Inspection | | | 2700 | 55 |
| 345G | Suffix Subgroup | | | 2200 | 105 |
| 291A | Spyke Talks | | | 800 | 6.5k |
| 291B | Command Line Arguments | | | 1300 | 3.1k |
| 291C | Network Mask | | | 1600 | 1.9k |
| 291D | Parallel Programming | | | 1600 | 1.5k |
| 291E | Tree-String Problem | | | 2000 | 1.6k |
| 290A | Mysterious strings | | | 1400 | 3.3k |
| 290B | QR code | | | 1500 | 2.6k |
| 290C | WTF? | | | 1700 | 1.7k |
| 290D | Orange | | | 1400 | 1.9k |
| 290E | HQ | | | 2500 | 238 |
| 290F | Greedy Petya | | | 2800 | 159 |
| 188A | Hexagonal Numbers | | | 1100 | 862 |
| 188B | A + Reverse B | | | 1300 | 813 |
| 188C | LCM | | | 1400 | 525 |
| 188D | Asterisks | | | 1100 | 759 |
| 188E | HQ9+ | | | 1400 | 559 |
| 188F | Binary Notation | | | 1400 | 349 |
| 188G | Array Sorting | | | 1600 | 364 |
| 188H | Stack | | | 1800 | 696 |
| 172A | Phone Code | | | 800 | 8.2k |
| 172B | Pseudorandom Sequence Period | | | 1200 | 3.2k |
| 172C | Bus | | | 1500 | 1.3k |
| 172D | Calendar Reform | | | 1500 | 1.5k |
| 172E | BHTML+BCSS | | | 2200 | 306 |
| 171A | Mysterious numbers - 1 | | | 1200 | 5.1k |
| 171B | Star | | | 1300 | 4.9k |
| 171C | A Piece of Cake | | | 2000 | 1.2k |
| 171D | Broken checker | | | 1300 | 2.8k |
| 171E | MYSTERIOUS LANGUAGE | | | 2000 | 1.6k |
| 171F | ucyhf | | | 1600 | 1.5k |
| 171G | Mysterious numbers - 2 | | | 1600 | 1.1k |
| 171H | A polyline | | | 1700 | 340 |
| 162A | Pentagonal numbers | | | 1100 | 846 |
| 162B | Binary notation | | | 1800 | 328 |
| 162C | Prime factorization | | | 1800 | 1.4k |
| 162D | Remove digits | | | 1900 | 233 |