Extra problems for beginners, unrated users or users with Codeforces Rating < 1300 (Extra). |
|
| ID | Problem Name | Online Judge | Difficulty Level |
|---|---|---|---|
| 1 | Crazy Computer | Codeforces | 1 |
| 2 | Haiku | Codeforces | 1 |
| 3 | LLPS | Codeforces | 1 |
| 4 | Wizards' Duel | Codeforces | 1 |
| 5 | George and Accommodation | Codeforces | 1 |
| 6 | Soldier and Bananas | Codeforces | 1 |
| 7 | GukiZ and Contest | Codeforces | 1 |
| 8 | Wasted Time | Codeforces | 1 |
| 9 | Combination Lock | Codeforces | 1 |
| 10 | Vitaly and Night | Codeforces | 1 |
| 11 | Shaass and Oskols | Codeforces | 1 |
| 12 | Sereja and Mugs | Codeforces | 1 |
| 13 | Line to Cashier | Codeforces | 1 |
| 14 | Mashmokh and Lights | Codeforces | 1 |
| 15 | Squats | Codeforces | 1 |
| 16 | Toy Army | Codeforces | 1 |
| 17 | Soroban | Codeforces | 1 |
| 18 | Kyoya and Photobooks | Codeforces | 1 |
| 19 | Rewards | Codeforces | 1 |
| 20 | Colorful Stones (Simplified Edition) | Codeforces | 1 |
| 21 | Buggy Sorting | Codeforces | 1 |
| 22 | Greg's Workout | Codeforces | 1 |
| 23 | Police Recruits | Codeforces | 1 |
| 24 | Black Square | Codeforces | 1 |
| 25 | Circle Line | Codeforces | 1 |
| 26 | Playing with Dice | Codeforces | 1 |
| 27 | Roma and Lucky Numbers | Codeforces | 1 |
| 28 | Games | Codeforces | 1 |
| 29 | Bear and Finding Criminals | Codeforces | 2 |
| 30 | Nicholas and Permutation | Codeforces | 2 |
| 31 | Uncowed Forces | Codeforces | 2 |
| 32 | Choosing Laptop | Codeforces | 2 |
| 33 | Ternary Logic | Codeforces | 2 |
| 34 | Lever | Codeforces | 2 |
| 35 | Wet Shark and Odd and Even | Codeforces | 2 |
| 36 | A and B and Chess | Codeforces | 2 |
| 37 | Arrays | Codeforces | 2 |
| 38 | Saitama Destroys Hotel | Codeforces | 2 |
| 39 | Shell Game | Codeforces | 2 |
| 40 | George and Sleep | Codeforces | 2 |
| 41 | Vanya and Table | Codeforces | 2 |
| 42 | Drazil and Date | Codeforces | 2 |
| 43 | Sinking Ship | Codeforces | 2 |
| 44 | Initial Bet | Codeforces | 2 |
| 45 | Tavas and Nafas | Codeforces | 2 |
| 46 | Calculating Function | Codeforces | 2 |
| 47 | Exams | Codeforces | 2 |
| 48 | Postcards and photos | Codeforces | 2 |
| 49 | Multiplication Table | Codeforces | 2 |
| 50 | Palindromic Times | Codeforces | 2 |
| 51 | Help Vasilisa the Wise 2 | Codeforces | 2 |
| 52 | Currency System in Geraldion | Codeforces | 2 |
| 53 | Game Outcome | Codeforces | 2 |
| 54 | Group of Students | Codeforces | 2 |
| 55 | Interview | Codeforces | 2 |
| 56 | Petya and Countryside | Codeforces | 2 |
| 57 | Case of the Zeros and Ones | Codeforces | 2 |
| 58 | Worms Evolution | Codeforces | 2 |
| 59 | Ciel and Dancing | Codeforces | 2 |
| 60 | Table | Codeforces | 2 |
| 61 | Sereja and Coat Rack | Codeforces | 2 |
| 62 | Toy Cars | Codeforces | 2 |
| 63 | Joysticks | Codeforces | 2 |
| 64 | Lucky Substring | Codeforces | 2 |
| 65 | Lucky Ticket | Codeforces | 2 |
| 66 | Kefa and First Steps | Codeforces | 2 |
| 67 | Squares | Codeforces | 2 |
| 68 | Valera and Plates | Codeforces | 2 |
| 69 | Trace | Codeforces | 2 |
| 70 | Pasha and Stick | Codeforces | 2 |
| 71 | Queue on Bus Stop | Codeforces | 2 |
| 72 | Lucky String | Codeforces | 2 |
| 73 | Amr and Music | Codeforces | 2 |
| 74 | Eugeny and Array | Codeforces | 2 |
| 75 | Prison Transfer | Codeforces | 2 |
| 76 | Bear and Raspberry | Codeforces | 2 |
| 77 | Buttons | Codeforces | 2 |
| 78 | Vasya and Digital Root | Codeforces | 2 |
| 79 | Little Elephant and Magic Square | Codeforces | 2 |
| 80 | Valera and X | Codeforces | 2 |
| 81 | Game With Sticks | Codeforces | 2 |
| 82 | Devu, the Singer and Churu, the Joker | Codeforces | 2 |
| 83 | Roadside Trees (Simplified Edition) | Codeforces | 2 |
| 84 | Valera and Antique Items | Codeforces | 2 |
| 85 | Lecture | Codeforces | 2 |
| 86 | Domino Effect | Codeforces | 3 |
| 87 | Sereja and Stairs | Codeforces | 3 |
| 88 | Eugeny and Play List | Codeforces | 3 |
| 89 | K-special Tables | Codeforces | 3 |
| 90 | Filya and Homework | Codeforces | 3 |
| 91 | Walking in the Rain | Codeforces | 3 |
| 92 | Rebranding | Codeforces | 3 |
| 93 | Polo the Penguin and Strings | Codeforces | 3 |
| 94 | Bear and Elections | Codeforces | 3 |
| 95 | Ohana Cleans Up | Codeforces | 3 |
| 96 | Little Elephant and Numbers | Codeforces | 3 |
| 97 | Tiling with Hexagons | Codeforces | 3 |
| 98 | Rook, Bishop and King | Codeforces | 3 |
| 99 | Snow Footprints | Codeforces | 3 |
| 100 | Alyona and Mex | Codeforces | 3 |
| 101 | After Training | Codeforces | 3 |
| 102 | Robot's Task | Codeforces | 3 |
| 103 | Wilbur and Swimming Pool | Codeforces | 3 |
| 104 | Permutation | Codeforces | 3 |
| 105 | War of the Corporations | Codeforces | 3 |
| 106 | Canvas Frames | Codeforces | 3 |
| 107 | Alyona and Numbers | Codeforces | 3 |
| 108 | Vika and Squares | Codeforces | 3 |
| 109 | Vasya and Football | Codeforces | 3 |
| 110 | Whose sentence is it? | Codeforces | 3 |
| 111 | Vanya and Books | Codeforces | 3 |
| 112 | Sockets | Codeforces | 3 |
| 113 | The Wall | Codeforces | 3 |
| 114 | Digital Counter | Codeforces | 3 |
| 115 | Bear and Strings | Codeforces | 3 |
| 116 | Bear and Poker | Codeforces | 3 |
| 117 | Ksenia and Pan Scales | Codeforces | 3 |
| 118 | Phone Numbers | Codeforces | 3 |
| 119 | Inventory | Codeforces | 3 |
| 120 | Vitaliy and Pie | Codeforces | 3 |
| 121 | Students and Shoelaces | Codeforces | 3 |
| 122 | Wilbur and Array | Codeforces | 3 |
| 123 | Strings of Power | Codeforces | 3 |
| 124 | Misha and Changing Handles | Codeforces | 3 |
| 125 | Levko and Permutation | Codeforces | 3 |
| 126 | Bar | Codeforces | 3 |
| 127 | Beautiful Paintings | Codeforces | 3 |
| 128 | Combination | Codeforces | 3 |
| 129 | MUH and Sticks | Codeforces | 3 |
| 130 | Print Check | Codeforces | 3 |
| 131 | Art Union | Codeforces | 3 |
| 132 | Lala Land and Apple Trees | Codeforces | 3 |
| 133 | Lucky Conversion | Codeforces | 3 |
| 134 | Two Bases | Codeforces | 3 |
| 135 | The Monster and the Squirrel | Codeforces | 3 |
| 136 | The Child and Homework | Codeforces | 3 |
| 137 | Tavas and SaDDas | Codeforces | 3 |
| 138 | Dima and To-do List | Codeforces | 3 |
| 139 | Valuable Resources | Codeforces | 3 |
| 140 | Fox and Number Game | Codeforces | 3 |
| 141 | Unary | Codeforces | 3 |
| 142 | Equidistant String | Codeforces | 3 |
| 143 | Garland | Codeforces | 3 |
| 144 | Coins | Codeforces | 3 |
| 145 | Chewba?ca and Number | Codeforces | 3 |
| 146 | Chat Online | Codeforces | 3 |
| 147 | Elections | Codeforces | 3 |
| 148 | George and Round | Codeforces | 3 |
| 149 | Appleman and Toastman | Codeforces | 3 |
| 150 | Petya and Staircases | Codeforces | 3 |
| 151 | Good Number | Codeforces | 3 |
| 152 | A and B and Compilation Errors | Codeforces | 3 |
| 153 | Simple Game | Codeforces | 3 |
| 154 | Fedor and New Game | Codeforces | 3 |
| 155 | Drazil and Factorial | Codeforces | 3 |
| 156 | Cifera | Codeforces | 3 |
| 157 | A and B and Team Training | Codeforces | 3 |
| 158 | Football Kit | Codeforces | 3 |
| 159 | Devu, the Dumb Guy | Codeforces | 3 |
| 160 | Anton and currency you all know | Codeforces | 3 |
| 161 | Random Teams | Codeforces | 3 |
| 162 | Bear and Three Musketeers | Codeforces | 4 |
| 163 | Chris and Magic Square | Codeforces | 4 |
| 164 | Restoring Painting | Codeforces | 4 |
| 165 | Point on Spiral | Codeforces | 4 |
| 166 | Vasya and the Bus | Codeforces | 4 |
| 167 | Guest From the Past | Codeforces | 4 |
| 168 | Photographer | Codeforces | 4 |
| 169 | Taxes | Codeforces | 4 |
| 170 | Dima and Lisa | Codeforces | 4 |
| 171 | Cows and Primitive Roots | Codeforces | 4 |
| 172 | MUH and Important Things | Codeforces | 4 |
| 173 | Pyramid of Glasses | Codeforces | 4 |
| 174 | Approximating a Constant Range | Codeforces | 4 |
| 175 | PawnChess | Codeforces | 4 |
| 176 | Non-square Equation | Codeforces | 4 |
| 177 | Vasya and String | Codeforces | 4 |
| 178 | DZY Loves Chemistry | Codeforces | 4 |
| 179 | Valera and Contest | Codeforces | 4 |
| 180 | Guess a number! | Codeforces | 4 |
| 181 | Burning Midnight Oil | Codeforces | 4 |
| 182 | Pythagorean Triples | Codeforces | 4 |
| 183 | Replacement | Codeforces | 4 |
| 184 | Woodcutters | Codeforces | 4 |
| 185 | Amr and The Large Array | Codeforces | 4 |
| 186 | The Child and Set | Codeforces | 4 |
| 187 | More Cowbell | Codeforces | 4 |
| 188 | Economy Game | Codeforces | 4 |
| 189 | Soldier and Cards | Codeforces | 4 |
| 190 | Pasha Maximizes | Codeforces | 4 |
| 191 | Vasya and Wrestling | Codeforces | 4 |
| 192 | OR in Matrix | Codeforces | 4 |
| 193 | Kefa and Company | Codeforces | 4 |
| 194 | Soldier and Badges | Codeforces | 4 |
| 195 | Han Solo and Lazer Gun | Codeforces | 4 |
| 196 | Kefa and Park | Codeforces | 4 |
| 197 | Amr and Pins | Codeforces | 4 |
| 198 | Two Substrings | Codeforces | 4 |
| 199 | Queue | Codeforces | 4 |
| 200 | Modulo Sum | Codeforces | 5 |