For beginners, unrated users or users with Codeforces Rating < 1300. |
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| ID | Problem Name | Online Judge | Difficulty Level |
|---|---|---|---|
| 1 | Young Physicist | Codeforces | 1 |
| 2 | Beautiful Matrix | Codeforces | 1 |
| 3 | Queue at the School | Codeforces | 1 |
| 4 | Borze | Codeforces | 1 |
| 5 | Beautiful Year | Codeforces | 1 |
| 6 | Lights Out | Codeforces | 1 |
| 7 | Word | Codeforces | 1 |
| 8 | Word Capitalization | Codeforces | 1 |
| 9 | Nearly Lucky Number | Codeforces | 1 |
| 10 | Stones on the Table | Codeforces | 1 |
| 11 | Panoramix's Prediction | Codeforces | 1 |
| 12 | Ultra-Fast Mathematician | Codeforces | 1 |
| 13 | Perfect Permutation | Codeforces | 1 |
| 14 | Arrival of the General | Codeforces | 1 |
| 15 | Drinks | Codeforces | 1 |
| 16 | Insomnia cure | Codeforces | 1 |
| 17 | Cupboards | Codeforces | 1 |
| 18 | I_love_\%username\% | Codeforces | 1 |
| 19 | Tram | Codeforces | 1 |
| 20 | Helpful Maths | Codeforces | 1 |
| 21 | Is your horseshoe on the other hoof? | Codeforces | 1 |
| 22 | Way Too Long Words | Codeforces | 1 |
| 23 | Boy or Girl | Codeforces | 1 |
| 24 | Amusing Joke | Codeforces | 1 |
| 25 | Soft Drinking | Codeforces | 1 |
| 26 | HQ9+ | Codeforces | 1 |
| 27 | Petya and Strings | Codeforces | 1 |
| 28 | Team | Codeforces | 1 |
| 29 | Bit++ | Codeforces | 1 |
| 30 | Effective Approach | Codeforces | 2 |
| 31 | Dima and Friends | Codeforces | 2 |
| 32 | Jzzhu and Children | Codeforces | 2 |
| 33 | Supercentral Point | Codeforces | 2 |
| 34 | Petr and Book | Codeforces | 2 |
| 35 | Parallelepiped | Codeforces | 2 |
| 36 | Reconnaissance 2 | Codeforces | 2 |
| 37 | Even Odds | Codeforces | 2 |
| 38 | Little Elephant and Rozdil | Codeforces | 2 |
| 39 | Hexadecimal's theorem | Codeforces | 2 |
| 40 | Jeff and Digits | Codeforces | 2 |
| 41 | Xenia and Ringroad | Codeforces | 2 |
| 42 | Magic Numbers | Codeforces | 2 |
| 43 | Translation | Codeforces | 2 |
| 44 | Football | Codeforces | 2 |
| 45 | Bicycle Chain | Codeforces | 2 |
| 46 | Sale | Codeforces | 2 |
| 47 | System of Equations | Codeforces | 2 |
| 48 | Business trip | Codeforces | 2 |
| 49 | Dubstep | Codeforces | 2 |
| 50 | k-String | Codeforces | 2 |
| 51 | The number of positions | Codeforces | 2 |
| 52 | Football | Codeforces | 2 |
| 53 | String Task | Codeforces | 2 |
| 54 | Little Elephant and Function | Codeforces | 2 |
| 55 | Present from Lena | Codeforces | 2 |
| 56 | Dragons | Codeforces | 2 |
| 57 | Puzzles | Codeforces | 2 |
| 58 | Chat room | Codeforces | 2 |
| 59 | Airport | Codeforces | 2 |
| 60 | DZY Loves Chessboard | Codeforces | 3 |
| 61 | Pashmak and Flowers | Codeforces | 3 |
| 62 | Jeff and Periods | Codeforces | 3 |
| 63 | Little Girl and Game | Codeforces | 3 |
| 64 | Sail | Codeforces | 3 |
| 65 | Shower Line | Codeforces | 3 |
| 66 | Shooshuns and Sequence | Codeforces | 3 |
| 67 | Xenia and Divisors | Codeforces | 3 |
| 68 | Letter | Codeforces | 3 |
| 69 | Kitahara Haruki's Gift | Codeforces | 3 |
| 70 | Comparing Strings | Codeforces | 3 |
| 71 | Hungry Sequence | Codeforces | 3 |
| 72 | Big Segment | Codeforces | 3 |
| 73 | Little Elephant and Bits | Codeforces | 3 |
| 74 | Yaroslav and Permutations | Codeforces | 3 |
| 75 | Fence | Codeforces | 3 |
| 76 | TL | Codeforces | 3 |
| 77 | Increase and Decrease | Codeforces | 3 |
| 78 | Two Bags of Potatoes | Codeforces | 3 |
| 79 | Unlucky Ticket | Codeforces | 3 |
| 80 | Boys and Girls | Codeforces | 3 |
| 81 | Easy Number Challenge | Codeforces | 3 |
| 82 | Pythagorean Theorem II | Codeforces | 3 |
| 83 | Cards with Numbers | Codeforces | 3 |
| 84 | Domino | Codeforces | 3 |
| 85 | Cinema Line | Codeforces | 3 |
| 86 | Rank List | Codeforces | 3 |
| 87 | Cut Ribbon | Codeforces | 3 |
| 88 | IQ Test | Codeforces | 3 |
| 89 | Building Permutation | Codeforces | 3 |
| 90 | Kuriyama Mirai's Stones | Codeforces | 3 |
| 91 | T-primes | Codeforces | 3 |
| 92 | Sereja and Suffixes | Codeforces | 3 |
| 93 | Flipping Game | Codeforces | 3 |
| 94 | Free Cash | Codeforces | 3 |
| 95 | Polo the Penguin and Matrix | Codeforces | 4 |
| 96 | Jzzhu and Sequences | Codeforces | 4 |
| 97 | Appleman and Card Game | Codeforces | 4 |
| 98 | Sort the Array | Codeforces | 4 |
| 99 | Sereja and Bottles | Codeforces | 4 |
| 100 | Adding Digits | Codeforces | 4 |