Extra problems for users satisfying this condition: 2100 <= Codeforces Rating <= 2199 (Extra). |
|
| ID | Problem Name | Online Judge | Difficulty Level |
|---|---|---|---|
| 1 | Toy Army | Codeforces | 1 |
| 2 | Spit Problem | Codeforces | 1 |
| 3 | Reconnaissance | Codeforces | 1 |
| 4 | Circle Line | Codeforces | 1 |
| 5 | George and Accommodation | Codeforces | 1 |
| 6 | Memory and Crow | Codeforces | 1 |
| 7 | Wizards' Duel | Codeforces | 1 |
| 8 | Rewards | Codeforces | 1 |
| 9 | Crazy Computer | Codeforces | 1 |
| 10 | Multiplication Table | Codeforces | 2 |
| 11 | Beru-taxi | Codeforces | 2 |
| 12 | Joysticks | Codeforces | 2 |
| 13 | Case of the Zeros and Ones | Codeforces | 2 |
| 14 | Lovely Palindromes | Codeforces | 2 |
| 15 | A and B and Chess | Codeforces | 2 |
| 16 | Tavas and Nafas | Codeforces | 2 |
| 17 | Drazil and Date | Codeforces | 2 |
| 18 | Lecture | Codeforces | 2 |
| 19 | Digital Counter | Codeforces | 3 |
| 20 | Random Teams | Codeforces | 3 |
| 21 | Memory and Trident | Codeforces | 3 |
| 22 | Magic Spheres | Codeforces | 3 |
| 23 | Case of Fake Numbers | Codeforces | 3 |
| 24 | Fedor and New Game | Codeforces | 3 |
| 25 | Filya and Homework | Codeforces | 3 |
| 26 | Xor-tree | Codeforces | 3 |
| 27 | NP-Hard Problem | Codeforces | 3 |
| 28 | A and B and Compilation Errors | Codeforces | 3 |
| 29 | Tavas and SaDDas | Codeforces | 3 |
| 30 | Two Bases | Codeforces | 3 |
| 31 | Rebranding | Codeforces | 3 |
| 32 | Lucky Permutation Triple | Codeforces | 3 |
| 33 | Meeting of Old Friends | Codeforces | 3 |
| 34 | A and B and Team Training | Codeforces | 3 |
| 35 | Square | Codeforces | 3 |
| 36 | Sorting Railway Cars | Codeforces | 3 |
| 37 | Chat Online | Codeforces | 3 |
| 38 | Diverse Permutation | Codeforces | 3 |
| 39 | Alice and Bob | Codeforces | 4 |
| 40 | Vasya and the Bus | Codeforces | 4 |
| 41 | Sereja and Prefixes | Codeforces | 4 |
| 42 | Divisible by Seven | Codeforces | 4 |
| 43 | Connecting Universities | Codeforces | 4 |
| 44 | Zero-One | Codeforces | 4 |
| 45 | Ant on the Tree | Codeforces | 4 |
| 46 | Kay and Snowflake | Codeforces | 4 |
| 47 | DNA Alignment | Codeforces | 4 |
| 48 | Coloring Trees | Codeforces | 4 |
| 49 | More Cowbell | Codeforces | 4 |
| 50 | Malek Dance Club | Codeforces | 4 |
| 51 | Berzerk | Codeforces | 4 |
| 52 | Recycling Bottles | Codeforces | 4 |
| 53 | Moodular Arithmetic | Codeforces | 4 |
| 54 | Keyboard | Codeforces | 4 |
| 55 | Sysadmin Bob | Codeforces | 4 |
| 56 | The Child and Set | Codeforces | 4 |
| 57 | Borya and Hanabi | Codeforces | 4 |
| 58 | Ilya and Sticks | Codeforces | 4 |
| 59 | Peter and Snow Blower | Codeforces | 4 |
| 60 | Amr and Pins | Codeforces | 4 |
| 61 | Modular Equations | Codeforces | 4 |
| 62 | Timofey and rectangles | Codeforces | 4 |
| 63 | Replacement | Codeforces | 4 |
| 64 | Dreamoon and Sets | Codeforces | 4 |
| 65 | Polyline | Codeforces | 4 |
| 66 | Music | Codeforces | 4 |
| 67 | Chips | Codeforces | 4 |
| 68 | The Values You Can Make | Codeforces | 4 |
| 69 | Inna and Sequence | Codeforces | 4 |
| 70 | School Marks | Codeforces | 4 |
| 71 | Alternating Current | Codeforces | 4 |
| 72 | Unordered Subsequence | Codeforces | 4 |
| 73 | Hard problem | Codeforces | 4 |
| 74 | Subsegments | Codeforces | 4 |
| 75 | Mike and Fun | Codeforces | 4 |
| 76 | DZY Loves Chemistry | Codeforces | 4 |
| 77 | Lazy Student | Codeforces | 4 |
| 78 | Approximating a Constant Range | Codeforces | 4 |
| 79 | 24 Game | Codeforces | 4 |
| 80 | Gena's Code | Codeforces | 4 |
| 81 | Complete the Word | Codeforces | 4 |
| 82 | Memory and De-Evolution | Codeforces | 4 |
| 83 | Sereja and Swaps | Codeforces | 4 |
| 84 | Remainders Game | Codeforces | 4 |
| 85 | The table | Codeforces | 5 |
| 86 | Let's Play Osu! | Codeforces | 5 |
| 87 | Legacy | Codeforces | 5 |
| 88 | Games with Rectangle | Codeforces | 5 |
| 89 | Lieges of Legendre | Codeforces | 5 |
| 90 | Ring Road 2 | Codeforces | 5 |
| 91 | Number With The Given Amount Of Divisors | Codeforces | 5 |
| 92 | Anton and Permutation | Codeforces | 5 |
| 93 | Anton and School - 2 | Codeforces | 5 |
| 94 | Ants | Codeforces | 5 |
| 95 | Maxim and Restaurant | Codeforces | 5 |
| 96 | 3-cycles | Codeforces | 5 |
| 97 | Surrounded | Codeforces | 5 |
| 98 | Dispute | Codeforces | 5 |
| 99 | Nanami's Digital Board | Codeforces | 5 |
| 100 | Searching Rectangles | Codeforces | 5 |
| 101 | Compatible Numbers | Codeforces | 5 |
| 102 | Anton and Ira | Codeforces | 5 |
| 103 | Pluses everywhere | Codeforces | 5 |
| 104 | Directed Roads | Codeforces | 5 |
| 105 | Random Task | Codeforces | 5 |
| 106 | Interesting Game | Codeforces | 5 |
| 107 | Apple Tree | Codeforces | 5 |
| 108 | Mike and Geometry Problem | Codeforces | 5 |
| 109 | Maxim and Array | Codeforces | 5 |
| 110 | Minimization | Codeforces | 5 |
| 111 | World Eater Brothers | Codeforces | 5 |
| 112 | Memory and Scores | Codeforces | 5 |
| 113 | Vanya and Triangles | Codeforces | 5 |
| 114 | Persistent Bookcase | Codeforces | 5 |
| 115 | Bamboo Partition | Codeforces | 5 |
| 116 | Lucky Number Representation | Codeforces | 5 |
| 117 | Dima and Magic Guitar | Codeforces | 5 |
| 118 | Friends and Subsequences | Codeforces | 5 |
| 119 | Journey | Codeforces | 5 |
| 120 | Messenger | Codeforces | 5 |
| 121 | Build String | Codeforces | 5 |
| 122 | Complete The Graph | Codeforces | 5 |
| 123 | Bear and Square Grid | Codeforces | 5 |
| 124 | Weak Memory | Codeforces | 5 |
| 125 | Sonya and Problem Wihtout a Legend | Codeforces | 5 |
| 126 | Bear and Tower of Cubes | Codeforces | 5 |
| 127 | Table Compression | Codeforces | 5 |
| 128 | Mishka and Interesting sum | Codeforces | 5 |
| 129 | Marbles | Codeforces | 6 |
| 130 | Divisor Tree | Codeforces | 6 |
| 131 | Quarrel | Codeforces | 6 |
| 132 | Bear in the Field | Codeforces | 6 |
| 133 | Edges in MST | Codeforces | 6 |
| 134 | Anya and Cubes | Codeforces | 6 |
| 135 | Trains and Statistic | Codeforces | 6 |
| 136 | Bear and Drawing | Codeforces | 6 |
| 137 | Binary Tree on Plane | Codeforces | 6 |
| 138 | Change-free | Codeforces | 6 |
| 139 | Game with Powers | Codeforces | 6 |
| 140 | Sereja and Tree | Codeforces | 6 |
| 141 | Break Up | Codeforces | 6 |
| 142 | George and Cards | Codeforces | 6 |
| 143 | Codeword | Codeforces | 6 |
| 144 | Bear and Floodlight | Codeforces | 6 |
| 145 | The Last Fight Between Human and AI | Codeforces | 6 |
| 146 | Lovely Matrix | Codeforces | 6 |
| 147 | Infinite Inversions | Codeforces | 6 |
| 148 | Beautiful Road | Codeforces | 6 |
| 149 | Acyclic Organic Compounds | Codeforces | 6 |
| 150 | Thwarting Demonstrations | Codeforces | 6 |
| 151 | Arthur and Brackets | Codeforces | 6 |
| 152 | Coin Troubles | Codeforces | 6 |
| 153 | Garlands | Codeforces | 6 |
| 154 | Ant Man | Codeforces | 6 |
| 155 | ZS and The Birthday Paradox | Codeforces | 6 |
| 156 | Game on Tree | Codeforces | 6 |
| 157 | Axis Walking | Codeforces | 7 |
| 158 | Sereja and Cinema | Codeforces | 7 |
| 159 | Numbers | Codeforces | 7 |
| 160 | Memory and Casinos | Codeforces | 7 |
| 161 | Color the Carpet | Codeforces | 7 |
| 162 | Travelling Through the Snow Queen's Kingdom | Codeforces | 7 |
| 163 | Ultimate Weirdness of an Array | Codeforces | 7 |
| 164 | The Child and Polygon | Codeforces | 7 |
| 165 | Iahub and Xors | Codeforces | 7 |
| 166 | Petya and Pipes | Codeforces | 7 |
| 167 | Dividing Kingdom II | Codeforces | 7 |
| 168 | Animals and Puzzle | Codeforces | 7 |
| 169 | Alphabet Permutations | Codeforces | 7 |
| 170 | Levko and Strings | Codeforces | 7 |
| 171 | Linear Kingdom Races | Codeforces | 7 |
| 172 | Little Victor and Set | Codeforces | 7 |
| 173 | Minimum Modular | Codeforces | 7 |
| 174 | Summer Earnings | Codeforces | 7 |
| 175 | Counter Attack | Codeforces | 7 |
| 176 | Digit Tree | Codeforces | 7 |
| 177 | Kay and Eternity | Codeforces | 7 |
| 178 | President's Path | Codeforces | 7 |
| 179 | String | Codeforces | 7 |
| 180 | Arpa’s overnight party and Mehrdad’s silent entering | Codeforces | 7 |
| 181 | Sereja and Sets | Codeforces | 7 |
| 182 | Working routine | Codeforces | 7 |
| 183 | Opening Portals | Codeforces | 7 |
| 184 | Lucky Array | Codeforces | 7 |
| 185 | Sereja and Sets | Codeforces | 7 |
| 186 | Drazil and Morning Exercise | Codeforces | 8 |
| 187 | Optimal Point | Codeforces | 8 |
| 188 | Roads in Yusland | Codeforces | 8 |
| 189 | Jeff and Removing Periods | Codeforces | 8 |
| 190 | Parcels | Codeforces | 8 |
| 191 | Mission Impassable | Codeforces | 8 |
| 192 | Mishka and Divisors | Codeforces | 8 |
| 193 | Random Function and Tree | Codeforces | 8 |
| 194 | Choosing Subtree is Fun | Codeforces | 8 |
| 195 | World of Darkraft - 2 | Codeforces | 8 |
| 196 | DZY Loves Games | Codeforces | 9 |
| 197 | GCD Table | Codeforces | 9 |
| 198 | Parking Lot | Codeforces | 9 |
| 199 | Cookie Clicker | Codeforces | 9 |
| 200 | Ladies' Shop | Codeforces | 9 |