| ID | Title | Ratio(AC/submit) |
Date |
| 3202 | A Very Simple Compiler | 3%(3/90) | 2024-12-26 |
| 3203 | Incremental Python Parsing | 3%(9/228) | 2024-12-24 |
| 3234 | The Kylin Den | 14%(19/128) | 2024-3-12 |
| 3247 | Robots | 9%(25/251) | 2024-9-15 |
| 3242 | 3-dimensional Musical Water-fence | 27%(51/187) | 2022-8-27 |
| 3235 | Super Knight | 23%(53/228) | 2024-12-4 |
| 3240 | Solution to the n2 − 1 Puzzle | 15%(72/462) | 2022-5-31 |
| 3238 | A Coin Game | 22%(90/405) | 2024-8-15 |
| 3248 | Soldier | 18%(99/523) | 2024-8-18 |
| 3223 | Football Game | 13%(113/833) | 2023-6-4 |
| 3236 | Michelle's Evaluation | 6%(115/1647) | 2024-12-8 |
| 3206 | Ikki's Story III - Rescue frkstyc! | 16%(127/767) | 2024-11-25 |
| 3289 | Moonshine | 17%(137/782) | 2024-12-7 |
| 3284 | Eventually periodic sequence | 25%(189/743) | 2024-7-15 |
| 3285 | Point of view in Flatland | 23%(234/990) | 2024-7-20 |
| 3296 | Rinse | 31%(239/750) | 2025-2-23 |
| 3220 | Context-Free Languages | 25%(251/968) | 2022-11-3 |
| 3218 | Alignments | 16%(253/1543) | 2024-12-30 |
| 3201 | Little Quilt | 31%(269/849) | 2023-5-10 |
| 3205 | Ikki's Story II - War with TN | 29%(278/943) | 2024-11-27 |
| 3291 | Cousins | 34%(280/818) | 2025-4-1 |
| 3215 | Median of Lines | 20%(311/1506) | 2024-7-31 |
| 3200 | Babel Towers | 29%(324/1093) | 2024-11-27 |
| 3293 | Rectilinear polygon | 14%(339/2364) | 2024-5-23 |
| 3266 | Cow School | 28%(345/1206) | 2024-1-29 |
| 3209 | From Pythagoras to … | 12%(372/2920) | 2024-12-7 |
| 3212 | Rescue Alice | 23%(381/1595) | 2024-11-14 |
| 3217 | Eugenics | 33%(385/1146) | 2023-11-14 |
| 3288 | Mall Mania | 32%(426/1313) | 2024-9-21 |
| 3290 | WFF 'N PROOF | 46%(432/934) | 2023-5-10 |
| 3222 | Edge Pairing | 39%(454/1164) | 2024-9-17 |
| 3229 | The Best Travel Design | 27%(476/1702) | 2024-9-27 |
| 3271 | Lilypad Pond | 25%(482/1888) | 2023-7-20 |
| 3245 | Sequence Partitioning | 29%(493/1698) | 2024-12-22 |
| 3231 | FlashGet | 16%(522/3138) | 2024-11-19 |
| 3227 | Mountains | 27%(553/2037) | 2024-11-9 |
| 3246 | Game | 18%(580/3056) | 2025-4-18 |
| 3214 | Heap | 22%(759/3339) | 2024-9-14 |
| 3297 | Open Source | 38%(794/2039) | 2024-10-23 |
| 3265 | Problem Solving | 39%(818/2058) | 2024-8-12 |
| 3282 | Ferry Loading IV | 39%(903/2275) | 2024-12-3 |
| 3221 | Diamond Puzzle | 54%(903/1657) | 2024-11-25 |
| 3226 | String's Puzzle | 39%(1026/2592) | 2024-4-19 |
| 3241 | Object Clustering | 31%(1038/3288) | 2025-4-28 |
| 3283 | Card Hands | 29%(1041/3485) | 2024-7-26 |
| 3244 | Difference between Triplets | 34%(1129/3274) | 2024-7-26 |
| 3251 | Big Square | 19%(1197/6255) | 2024-9-26 |
| 3272 | Cow Traffic | 28%(1204/4251) | 2024-5-26 |
| 3287 | The Trip, 2007 | 37%(1224/3286) | 2024-7-22 |
| 3232 | Accelerator | 24%(1233/4982) | 2025-3-12 |
| 3298 | Antimonotonicity | 43%(1377/3177) | 2025-3-31 |
| 3257 | Cow Roller Coaster | 41%(1406/3359) | 2025-5-4 |
| 3228 | Gold Transportation | 35%(1453/4130) | 2024-5-24 |
| 3213 | PM3 | 32%(1617/5027) | 2025-1-3 |
| 3269 | Building A New Barn | 33%(1627/4847) | 2024-7-18 |
| 3239 | Solution to the n Queens Puzzle | 35%(1742/4952) | 2025-3-19 |
| 3208 | Apocalypse Someday | 51%(1838/3584) | 2024-12-2 |
| 3275 | Ranking the Cows | 43%(1932/4439) | 2025-5-1 |
| 3230 | Travel | 41%(2086/4967) | 2024-9-29 |
| 3216 | Repairing Company | 26%(2197/8368) | 2025-5-3 |
| 3286 | How many 0's? | 52%(2257/4272) | 2025-5-5 |
| 3256 | Cow Picnic | 41%(2616/6331) | 2025-1-25 |
| 3204 | Ikki's Story I - Road Reconstruction | 29%(2622/9018) | 2025-4-28 |
| 3243 | Clever Y | 24%(2988/12116) | 2024-4-29 |
| 3219 | Binomial Coefficients | 41%(3195/7615) | 2025-5-15 |
| 3260 | The Fewest Coins | 32%(3293/10174) | 2025-5-5 |
| 3270 | Cow Sorting | 38%(3491/9036) | 2025-5-12 |
| 3211 | Washing Clothes | 32%(3835/11865) | 2025-5-4 |
| 3225 | Help with Intervals | 26%(3946/15132) | 2025-5-2 |
| 3237 | Tree | 25%(4125/16457) | 2025-5-13 |
| 3249 | Test for Job | 21%(4142/18974) | 2025-4-26 |
| 3276 | Face The Right Way | 45%(4464/9730) | 2025-4-28 |
| 3207 | Ikki's Story IV - Panda's Trick | 35%(4831/13658) | 2025-5-11 |
| 3263 | Tallest Cow | 40%(5010/12273) | 2025-5-14 |
| 3224 | Go for Lab Cup! | 50%(5048/9924) | 2025-4-26 |
| 3210 | Coins | 64%(5271/8129) | 2025-5-12 |
| 3274 | Gold Balanced Lineup | 27%(5360/19312) | 2025-3-9 |
| 3292 | Semi-prime H-numbers | 45%(6087/13360) | 2025-2-22 |
| 3277 | City Horizon | 28%(6107/21697) | 2025-5-13 |
| 3267 | The Cow Lexicon | 47%(6110/12770) | 2025-4-28 |
| 3294 | Life Forms | 29%(6504/22246) | 2025-5-3 |
| 3262 | Protecting the Flowers | 42%(7937/18649) | 2025-5-14 |
| 3295 | Tautology | 37%(8114/21471) | 2025-5-13 |
| 3261 | Milk Patterns | 42%(9691/22659) | 2025-5-5 |
| 3280 | Cheapest Palindrome | 45%(9697/21192) | 2025-5-12 |
| 3252 | Round Numbers | 42%(10176/23800) | 2025-4-19 |
| 3255 | Roadblocks | 33%(10783/32529) | 2025-3-29 |
| 3299 | Humidex | 33%(10913/32100) | 2025-5-14 |
| 3250 | Bad Hair Day | 33%(12770/37927) | 2025-4-22 |
| 3279 | Fliptile | 35%(12866/36649) | 2025-5-4 |
| 3281 | Dining | 43%(13312/30610) | 2025-5-2 |
| 3254 | Corn Fields | 51%(14572/28065) | 2025-5-5 |
| 3258 | River Hopscotch | 41%(14625/35578) | 2025-5-15 |
| 3233 | Matrix Power Series | 39%(16565/41915) | 2025-5-15 |
| 3273 | Monthly Expense | 36%(19633/54017) | 2025-5-15 |
| 3268 | Silver Cow Party | 44%(22448/50633) | 2025-5-15 |
| 3253 | Fence Repair | 32%(33756/104063) | 2025-5-12 |
| 3259 | Wormholes | 36%(37241/101529) | 2025-5-12 |
| 3264 | Balanced Lineup | 42%(44240/103010) | 2025-5-12 |
| 3278 | Catch That Cow | 30%(68546/226831) | 2025-5-14 |
