Solutions to some Coding Game Exercises
In this reposority you will find my working solutions for puzzles on the platform https://www.codingame.com/. In the table below you can see which puzzles I already completed.
Info: It is not my intention to write the solutions as short as possible! I just want to write my code understandable and clean even when it makes the actual code longer.
| No. | Puzzle Name | State | Difficulty | Languages |
|---|---|---|---|---|
| 1 | 1010(1) | ❌ Not Completed | Medium | |
| 2 | 1x1x1 Rubik's cube movements | ❌ Not Completed | Easy | |
| 3 | 2.5D maze | ❌ Not Completed | Medium | |
| 4 | 2048 scores | ❌ Not Completed | Medium | |
| 5 | 2x2x2 Rubik's cube movements | ❌ Not Completed | Medium | |
| 6 | 7-segment display | ❌ Not Completed | Hard | |
| 7 | Add'em Up | ❌ Not Completed | Easy | |
| 8 | Advanced Tree | ❌ Not Completed | Medium | |
| 9 | Alternative vote | ❌ Not Completed | Hard | |
| 10 | Anagrams | ❌ Not Completed | Hard | |
| 11 | Ancestors & Descendants | ❌ Not Completed | Medium | |
| 12 | ANEO Sponsored Puzzle | ❌ Not Completed | Medium | |
| 13 | Apple tree | ❌ Not Completed | Hard | |
| 14 | Army ants | ❌ Not Completed | Medium | |
| 15 | ASCII Art | ❌ Not Completed | Easy | |
| 16 | ASCII ART: Glass Stacking | ❌ Not Completed | Medium | |
| 17 | Ascii Graph | ❌ Not Completed | Medium | |
| 18 | A-star excercise | ❌ Not Completed | Medium | |
| 19 | Bag of Balls | ❌ Not Completed | Medium | |
| 20 | Balanced ternary computer: encode | ❌ Not Completed | Easy | |
| 21 | Bank Robbers | ❌ Not Completed | Easy | |
| 22 | Bender - Episode 1 | ❌ Not Completed | Medium | |
| 23 | Bender - Episode 2 | ❌ Not Completed | Hard | |
| 24 | Bender - Episode 3 | ❌ Not Completed | Hard | |
| 25 | Binary neural network - Part 1 | ❌ Not Completed | Very Hard | |
| 26 | Binary neural network - Part 2 | ❌ Not Completed | Very Hard | |
| 27 | Binary Permutations | ❌ Not Completed | Hard | |
| 28 | Bingo! | ❌ Not Completed | Medium | |
| 29 | Boggle | ❌ Not Completed | Hard | |
| 30 | Box of Cigars | ❌ Not Completed | Medium | |
| 31 | Brackets, Enhanced Edition | ❌ Not Completed | Medium | |
| 32 | Brackets, Extended Edition | ❌ Not Completed | Medium | |
| 33 | Brackets, extreme edition. | ❌ Not Completed | Easy | |
| 34 | Brackets, Ultimate Edition | ❌ Not Completed | Medium | |
| 35 | Breakout | ❌ Not Completed | Hard | |
| 36 | Brick in the Wall | ❌ Not Completed | Easy | |
| 37 | Bruce Lee | ❌ Not Completed | Medium | |
| 38 | Bulgarian solitaire | ❌ Not Completed | Medium | |
| 39 | Bulk Email Generator | ❌ Not Completed | Easy | |
| 40 | Bulls and Cows | ❌ Not Completed | Very Hard | |
| 41 | Bust speeding vehicles | ❌ Not Completed | Medium | |
| 42 | Candies | ❌ Not Completed | Hard | |
| 43 | Cards castle | ❌ Not Completed | Medium | |
| 44 | Carmichael numbers | ❌ Not Completed | Easy | |
| 45 | Castle Siege | ❌ Not Completed | Hard | |
| 46 | CG Chat interpreter - Part 1 | ❌ Not Completed | Very Hard | |
| 47 | CGFunge interpreter | ❌ Not Completed | Medium | |
| 48 | CGS minifier | ❌ Not Completed | Medium | |
| 49 | CGX Formatter | ❌ Not Completed | Hard | |
| 50 | Cheat Solving | ❌ Not Completed | Hard | |
| 51 | Chemical Equation Balancing | ❌ Not Completed | Very Hard | |
| 52 | Chess cavalry | ❌ Not Completed | Hard | |
| 53 | Chess moves on FEN position | ❌ Not Completed | Hard | |
| 54 | Chuck Norris | ❌ Not Completed | Easy | |
| 55 | Code your own Automaton2000, step 1 | ❌ Not Completed | Hard | |
| 56 | CodinDice | ❌ Not Completed | Very Hard | |
| 57 | Completed Mahjong Hands | ❌ Not Completed | Very Hard | |
| 58 | Connect four | ❌ Not Completed | Hard | |
| 59 | Conway Sequence | ❌ Not Completed | Medium | |
| 60 | Count of Primes in a number grid | ❌ Not Completed | Medium | |
| 61 | Counting Squares on Pegs | ❌ Not Completed | Medium | |
| 62 | Cross the lines | ❌ Not Completed | Very Hard | |
| 63 | Cryptarithm | ❌ Not Completed | Hard | |
| 64 | Cubax Folding | ❌ Not Completed | Very Hard | |
| 65 | Darts | ❌ Not Completed | Easy | |
| 66 | DDCG Mapper | ❌ Not Completed | Medium | |
| 67 | Dead men's shot | ❌ Not Completed | Easy | |
| 68 | Defibrillators | ❌ Not Completed | Easy | |
| 69 | De-FizzBuzzer | ❌ Not Completed | Medium | |
| 70 | Depot organization | ❌ Not Completed | Medium | |
| 71 | Dice probability calculator | ❌ Not Completed | Medium | |
| 72 | Digit sum successor | ❌ Not Completed | Medium | |
| 73 | Disks intersection | ❌ Not Completed | Hard | |
| 74 | Disordered First Contact | ❌ Not Completed | Easy | |
| 75 | Divide the factorial | ❌ Not Completed | Very Hard | |
| 76 | Divine! | ❌ Not Completed | Medium | |
| 77 | Dominoes Path | ❌ Not Completed | Medium | |
| 78 | Dominoes solver | ❌ Not Completed | Hard | |
| 79 | Don't Panic - Episode 1 | ❌ Not Completed | Medium | |
| 80 | Don't Panic - Episode 2 | ❌ Not Completed | Hard | |
| 81 | Drawing Polygons | ❌ Not Completed | Hard | |
| 82 | Dumbbells solver | ❌ Not Completed | Hard | |
| 83 | Dungeon Designer | ❌ Not Completed | Very Hard | |
| 84 | Dwars standing on the shoulders of giants | ❌ Not Completed | Medium | |
| 85 | Egyptian multiplication | ❌ Not Completed | Hard | |
| 86 | Einstein's riddle solver | ❌ Not Completed | Hard | |
| 87 | Electrical grid | ❌ Not Completed | Hard | |
| 88 | Elementary cellular automaton | ❌ Not Completed | Medium | |
| 89 | Elevator | ❌ Not Completed | Hard | |
| 90 | Encryption/Decryption of Enigma Machine | ❌ Not Completed | Easy | |
| 91 | Enigma - 3 rotors without plugboard | ❌ Not Completed | Medium | |
| 92 | Erdös Number | ❌ Not Completed | Hard | |
| 93 | Execution Circle | ❌ Not Completed | Hard | |
| 94 | Expand the polynomial | ❌ Not Completed | Easy | |
| 95 | Factorial vs Exponential | ❌ Not Completed | Hard | |
| 96 | Factorials of primes decomposition | ❌ Not Completed | Hard | |
| 97 | Fill the square! | ❌ Not Completed | Very Hard | |
| 98 | Find the replacement | ❌ Not Completed | Medium | |
| 99 | Flood fill Example | ❌ Not Completed | Medium | |
| 100 | Flood the World | ❌ Not Completed | Very Hard | |
| 101 | Folding Paper | ❌ Not Completed | Medium | |
| 102 | Format string validation | ❌ Not Completed | Hard | |
| 103 | Fractal Carpet | ❌ Not Completed | Hard | |
| 104 | Game of life | ❌ Not Completed | Medium | |
| 105 | Genome Sequencing | ❌ Not Completed | Hard | |
| 106 | Ghost Legs | ❌ Not Completed | Easy | |
| 107 | Google Interview - The Two Egg Problem | ❌ Not Completed | Hard | |
| 108 | Gravity | ❌ Not Completed | Medium | |
| 109 | Gravity Centrifuge | ❌ Not Completed | Medium | |
| 110 | Gravity Centrifuge Tuning | ❌ Not Completed | Medium | |
| 111 | Gravity Tumbler | ❌ Not Completed | Easy | |
| 112 | Guessing n Cheating | ❌ Not Completed | Easy | |
| 113 | Hangman | ❌ Not Completed | Hard | |
| 114 | Hanoi tower | ❌ Not Completed | Hard | |
| 115 | Harmless Rooks | ❌ Not Completed | Hard | |
| 116 | Haunted Manor | ❌ Not Completed | Very Hard | |
| 117 | Heart of the City | ❌ Not Completed | Very Hard | |
| 118 | Hidden word | ❌ Not Completed | Medium | |
| 119 | Highest truncated pyramid | ❌ Not Completed | Hard | |
| 120 | High-rise buildings | ❌ Not Completed | Very Hard | |
| 121 | Hill Notation and Hill Order | ❌ Not Completed | Hard | |
| 122 | Hit the road | ❌ Not Completed | Hard | |
| 123 | Hitori solver | ❌ Not Completed | Very Hard | |
| 124 | Horn-SAT solver | ❌ Not Completed | Hard | |
| 125 | Horse-hyperracing Hyperduals | ❌ Not Completed | Medium | |
| 126 | Horse-racing Duals | ✔️ Completed | Easy | C++ |
| 127 | Horse-racing Hyperduals | ❌ Not Completed | Easy | |
| 128 | Hourglass | ❌ Not Completed | Very Hard | |
| 129 | How time flies | ❌ Not Completed | Easy | |
| 130 | HTML table cell split | ❌ Not Completed | Medium | |
| 131 | Inertia ride | ❌ Not Completed | Hard | |
| 132 | ISBN Check digit | ❌ Not Completed | Easy | |
| 133 | Jack Silver: The Casino | ❌ Not Completed | Easy | |
| 134 | Kaprekar's routine | ❌ Not Completed | Medium | |
| 135 | KGood | ❌ Not Completed | Hard | |
| 136 | Kolakoski Sequence | ❌ Not Completed | Hard | |
| 137 | Langton's ant | ❌ Not Completed | Medium | |
| 138 | Laser and mirrors | ❌ Not Completed | Hard | |
| 139 | Levenshtein distance | ❌ Not Completed | Hard | |
| 140 | Locked in gear | ❌ Not Completed | Medium | |
| 141 | Longest Palindrome | ❌ Not Completed | Very Hard | |
| 142 | Lumen | ❌ Not Completed | Easy | |
| 143 | Magic count of numbers | ❌ Not Completed | Hard | |
| 144 | Magic Square | ❌ Not Completed | Medium | |
| 145 | Magic stones | ❌ Not Completed | Medium | |
| 146 | Mars Lander - Episode 1 | ✔️ Completed | Easy | C++ |
| 147 | Mars Lander - Episode 2 | ❌ Not Completed | Medium | |
| 148 | Mars Lander - Episode 3 | ❌ Not Completed | Very Hard | |
| 149 | Max Rect | ❌ Not Completed | Hard | |
| 150 | Maximum sub-sequence | ❌ Not Completed | Medium | |
| 151 | May the Triforce be with you! | ❌ Not Completed | Easy | |
| 152 | Mayan Calculation | ❌ Not Completed | Medium | |
| 153 | Maze | ❌ Not Completed | Medium | |
| 154 | Micro Assembly | ❌ Not Completed | Medium | |
| 155 | MIME Type | ❌ Not Completed | Easy | |
| 156 | Minesweeper | ❌ Not Completed | Very Hard | |
| 157 | Mini sudoku solver | ❌ Not Completed | Hard | |
| 158 | Minimal number of swaps | ❌ Not Completed | Medium | |
| 159 | Minimax excercise | ❌ Not Completed | Medium | |
| 160 | Minimax Simple Example | ❌ Not Completed | Very Hard | |
| 161 | Misère Nim | ❌ Not Completed | Hard | |
| 162 | Monday Tuesday Happy Days | ❌ Not Completed | Hard | |
| 163 | Monte Carlo Tree Search exercise | ❌ Not Completed | Hard | |
| 164 | Monthly System | ❌ Not Completed | Medium | |
| 165 | Morellet's random lines | ❌ Not Completed | Easy | |
| 166 | Music Scores | ❌ Not Completed | Very Hard | |
| 167 | Musical Intervals | ❌ Not Completed | Hard | |
| 168 | Mystery sums | ❌ Not Completed | Hard | |
| 169 | n Queens | ❌ Not Completed | Hard | |
| 170 | Nature of quadrilaterals | ❌ Not Completed | Easy | |
| 171 | Near-Palindromes | ❌ Not Completed | Medium | |
| 172 | Neighbor-Sum Grids | ❌ Not Completed | Hard | |
| 173 | Network Cabling | ❌ Not Completed | Medium | |
| 174 | Next car license plate ? | ❌ Not Completed | Medium | |
| 175 | Nintendo Sponsored Contest | ❌ Not Completed | Very Hard | |
| 176 | Number of letters in a number - Binary | ❌ Not Completed | Medium | |
| 177 | Number of paths between 2 points | ❌ Not Completed | Medium | |
| 178 | Numeral system | ❌ Not Completed | Medium | |
| 179 | Onboarding | ✔️ Completed | Easy | C++ Python Rust |
| 180 | OneWay City | ❌ Not Completed | Very Hard | |
| 181 | Order of Oopserations! | ❌ Not Completed | Hard | |
| 182 | orDer oF succeSsion | ❌ Not Completed | Easy | |
| 183 | Organic Compounds | ❌ Not Completed | Easy | |
| 184 | Othello | ❌ Not Completed | Medium | |
| 185 | Paper labyrinth | ❌ Not Completed | Medium | |
| 186 | Paper-folding curve | ❌ Not Completed | Hard | |
| 187 | Parsing context-free grammar | ❌ Not Completed | Hard | |
| 188 | Pascal Trapezoid | ❌ Not Completed | Hard | |
| 189 | Pirate's treasure | ❌ Not Completed | Easy | |
| 190 | Plight Of The Fellowship Of The Ring | ❌ Not Completed | Medium | |
| 191 | Polydivisible number | ❌ Not Completed | Medium | |
| 192 | Porcupine Fever | ❌ Not Completed | Hard | |
| 193 | Power of Thor - Episode 1 | ✔️ Completed | Easy | C++ |
| 194 | Power of Thor - Episode 2 | ❌ Not Completed | Hard | |
| 195 | Prime Transformations | ❌ Not Completed | Very Hard | |
| 196 | Quaternion Multiplication | ❌ Not Completed | Hard | |
| 197 | Queneau Numbers | ❌ Not Completed | Medium | |
| 198 | Rectangular block spinner | ❌ Not Completed | Easy | |
| 199 | Recurring Decimals | ❌ Not Completed | Very Hard | |
| 200 | Remainder Fantasy | ❌ Not Completed | Hard | |
| 201 | Reverse Polish Notation | ❌ Not Completed | Hard | |
| 202 | Reversed Look-and-say | ❌ Not Completed | Medium | |
| 203 | Rocket mice | ❌ Not Completed | Hard | |
| 204 | Roller Coaster | ❌ Not Completed | Hard | |
| 205 | Rooks Movements | ❌ Not Completed | Easy | |
| 206 | Rubik | ❌ Not Completed | Medium | |
| 207 | Rugby score | ❌ Not Completed | Easy | |
| 208 | Sandpile addition | ❌ Not Completed | Medium | |
| 209 | Scrabble | ❌ Not Completed | Medium | |
| 210 | Self-driving car testing | ❌ Not Completed | Easy | |
| 211 | Shadows of the Knight - Episode 1 | ❌ Not Completed | Medium | |
| 212 | Shadows of the Knight - Episode 2 | ❌ Not Completed | Very Hard | |
| 213 | Short accounts make long friends | ❌ Not Completed | Medium | |
| 214 | Simple Awalé | ❌ Not Completed | Easy | |
| 215 | Simple CPU Emulation 1 | ❌ Not Completed | Hard | |
| 216 | Simple fraction to mixed number | ❌ Not Completed | Medium | |
| 217 | Simple safecracking | ❌ Not Completed | Hard | |
| 218 | Simplified Monopoly Turns Prediction | ❌ Not Completed | Medium | |
| 219 | Simplify Selection Ranges | ❌ Not Completed | Hard | |
| 220 | Skylines | ❌ Not Completed | Very Hard | |
| 221 | Skynet Revolution - Episode 1 | ❌ Not Completed | Medium | |
| 222 | Skynet Revolution - Episode 2 | ❌ Not Completed | Hard | |
| 223 | Sliding puzzle | ❌ Not Completed | Very Hard | |
| 224 | Snake encoding | ❌ Not Completed | Medium | |
| 225 | Spreadsheet Labels | ❌ Not Completed | Hard | |
| 226 | Spy the Spies | ❌ Not Completed | Very Hard | |
| 227 | Squares order | ❌ Not Completed | Very Hard | |
| 228 | Staircases | ❌ Not Completed | Very Hard | |
| 229 | Stock Exchange Losses | ❌ Not Completed | Medium | |
| 230 | Straddling Checkerboard Cryptography | ❌ Not Completed | Medium | |
| 231 | Sum of divisors | ❌ Not Completed | Medium | |
| 232 | Sum of odd | ❌ Not Completed | Hard | |
| 233 | Super Computer | ❌ Not Completed | Hard | |
| 234 | Surface | ❌ Not Completed | Hard | |
| 235 | Symbolic system of equations | ❌ Not Completed | Hard | |
| 236 | TAN Network | ❌ Not Completed | Hard | |
| 237 | Teads Sponsored Contest | ❌ Not Completed | Medium | |
| 238 | Telephone Numbers | ❌ Not Completed | Medium | |
| 239 | Temperatures | ✔️ Completed | Easy | C++ |
| 240 | Test before Validate! | ❌ Not Completed | Hard | |
| 241 | Tetris | ❌ Not Completed | Hard | |
| 242 | Texas Holdem | ❌ Not Completed | Very Hard | |
| 243 | Text alignment | ❌ Not Completed | Medium | |
| 244 | Text formatting | ❌ Not Completed | Easy | |
| 245 | The barnyard | ❌ Not Completed | Very Hard | |
| 246 | The Beautiful sequence | ❌ Not Completed | Hard | |
| 247 | The Bridge | ❌ Not Completed | Hard | |
| 248 | The Burglar's Dilemma | ❌ Not Completed | Hard | |
| 249 | The Crime Scene | ❌ Not Completed | Very Hard | |
| 250 | The Descent | ❌ Not Completed | Easy | |
| 251 | The Empire Enigma | ❌ Not Completed | Hard | |
| 252 | The experience for creating puzzles | ❌ Not Completed | Medium | |
| 253 | The Fastest | ❌ Not Completed | Medium | |
| 254 | The Gift | ❌ Not Completed | Medium | |
| 255 | The Grand Festival - I | ❌ Not Completed | Medium | |
| 256 | The Grand Festival - II | ❌ Not Completed | Medium | |
| 257 | The greatest number | ❌ Not Completed | Hard | |
| 258 | The Highest Building | ❌ Not Completed | Hard | |
| 259 | The Holy Grail | ❌ Not Completed | Hard | |
| 260 | The hungry duck - part 1 | ❌ Not Completed | Hard | |
| 261 | The hungry duck - part 2 | ❌ Not Completed | Hard | |
| 262 | The Labyrinth | ❌ Not Completed | Hard | |
| 263 | The Last Crusade - Episode 1 | ❌ Not Completed | Medium | |
| 264 | The Last Crusade - Episode 2 | ❌ Not Completed | Hard | |
| 265 | The Last Crusade - Episode 3 | ❌ Not Completed | Very Hard | |
| 266 | The Lucky Number | ❌ Not Completed | Very Hard | |
| 267 | The max surface box | ❌ Not Completed | Hard | |
| 268 | The Optimal Urinal Problem | ❌ Not Completed | Medium | |
| 269 | The Resistance | ❌ Not Completed | Very Hard | |
| 270 | The River I. | ❌ Not Completed | Easy | |
| 271 | The River II. | ❌ Not Completed | Easy | |
| 272 | The Total is Right - Weird edition | ❌ Not Completed | Hard | |
| 273 | The Travelling Salesman Problem | ❌ Not Completed | Easy | |
| 274 | The two piles difference | ❌ Not Completed | Very Hard | |
| 275 | The Ultimate Test | ❌ Not Completed | Medium | |
| 276 | The Urinal Problem | ❌ Not Completed | Medium | |
| 277 | The water jug riddle from Die Hard 3 | ❌ Not Completed | Very Hard | |
| 278 | There is no Spoon - Episode 1 | ❌ Not Completed | Medium | |
| 279 | There is no Spoon - Episode 2 | ❌ Not Completed | Hard | |
| 280 | These Romans are crazy! | ❌ Not Completed | Medium | |
| 281 | Ticket to Ride: Europe | ❌ Not Completed | Very Hard | |
| 282 | Timer for Clash of Code | ❌ Not Completed | Hard | |
| 283 | To Sky's Edge | ❌ Not Completed | Hard | |
| 284 | Trits (Balanced Ternary Computing) | ❌ Not Completed | Medium | |
| 285 | Turing machine | ❌ Not Completed | Hard | |
| 286 | TXT2HTML | ❌ Not Completed | Hard | |
| 287 | Unflood The World | ❌ Not Completed | Very Hard | |
| 288 | Unfolding paper | ❌ Not Completed | Very Hard | |
| 289 | Universe Conquest | ❌ Not Completed | Hard | |
| 290 | Vortex | ❌ Not Completed | Hard | |
| 291 | Vote counting | ❌ Not Completed | Medium | |
| 292 | Vox Codei - Episode 1 | ❌ Not Completed | Hard | |
| 293 | Vox Codei - Episode 2 | ❌ Not Completed | Very Hard | |
| 294 | Wall Street | ❌ Not Completed | Hard | |
| 295 | War | ❌ Not Completed | Medium | |
| 296 | What's so complex about Mandelbrot? | ❌ Not Completed | Easy | |
| 297 | Winamax Sponsored Contest | ❌ Not Completed | Hard | |
| 298 | X egg problem | ❌ Not Completed | Hard | |
| 299 | XML MDF-2016 | ❌ Not Completed | Easy | |
| 300 | Xorandor | ❌ Not Completed | Very Hard | |
| 301 | Zergling rush | ❌ Not Completed | Hard |
I created all the solutions found here for myself. There may be similarities with solutions of others. These similarities are then random and not intended
I would like to thank Marcel Knorr/pathosDev for providing the source of this readme. Please, take a look at his solutions: here