| ID | Title | Ratio(AC/submit) |
Date |
| 2200 | A Card Trick | 41%(371/885) | May 20, 2025 |
| 2201 | Cartesian Tree | 41%(2070/4966) | May 28, 2025 |
| 2202 | Strange Graph | 18%(164/885) | Apr 15, 2024 |
| 2203 | Patience | 43%(90/209) | Aug 19, 2022 |
| 2204 | Commuter train | 26%(139/532) | Jan 10, 2023 |
| 2205 | Self-Replicating Numbers | 31%(257/827) | Oct 20, 2023 |
| 2206 | Magic Multiplying Machine | 34%(293/846) | Nov 23, 2024 |
| 2207 | Intuitionistic Logic | 10%(66/604) | Apr 14, 2022 |
| 2208 | Pyramids | 32%(1245/3823) | May 20, 2025 |
| 2209 | The King | 52%(4434/8384) | May 20, 2025 |
| 2210 | Metric Time | 32%(967/2999) | May 20, 2025 |
| 2211 | Photograph | 65%(288/437) | May 20, 2025 |
| 2212 | Cavern | 39%(114/291) | May 20, 2025 |
| 2213 | Code | 55%(153/277) | May 20, 2025 |
| 2214 | Regions | 51%(147/286) | May 19, 2025 |
| 2215 | Parliament | 62%(848/1366) | May 19, 2025 |
| 2216 | Roulette | 25%(70/270) | May 16, 2025 |
| 2217 | Secretary | 38%(962/2518) | May 9, 2025 |
| 2218 | Does This Make Me Look Fat? | 45%(1393/3073) | May 9, 2025 |
| 2219 | Manifest Destiny | 25%(71/279) | May 22, 2025 |
| 2220 | Treasure Hunters | 56%(200/356) | May 19, 2025 |
| 2221 | Frogger's For Dinner | 49%(101/204) | Jul 19, 2024 |
| 2222 | Deeper Blue | 29%(201/676) | Dec 30, 2024 |
| 2223 | Get Out 'Da Way! | 25%(59/234) | May 22, 2025 |
| 2224 | Missing Piece 2001 | 23%(63/264) | May 9, 2025 |
| 2225 | Asteroids! | 37%(1346/3582) | Aug 18, 2024 |
| 2226 | Muddy Fields | 36%(5669/15422) | May 31, 2025 |
| 2227 | The Wedding Juicer | 44%(1910/4293) | Aug 1, 2025 |
| 2228 | Naptime | 39%(3111/7782) | Dec 11, 2024 |
| 2229 | Sumsets | 35%(13254/36870) | Jul 28, 2025 |
| 2230 | Watchcow | 42%(5394/12597) | Aug 2, 2025 |
| 2231 | Moo Volume | 29%(7722/25795) | Dec 30, 2024 |
| 2232 | New Stone-Forfex-Cloth Game | 40%(624/1531) | May 2, 2025 |
| 2233 | GAME AGAIN! | 27%(178/641) | Aug 2, 2025 |
| 2234 | Matches Game | 57%(8755/15349) | Aug 9, 2025 |
| 2235 | Triangularize the Convex Hull | 16%(69/418) | May 22, 2025 |
| 2236 | Wireless Network | 39%(27253/69034) | Aug 9, 2025 |
| 2237 | Can 1 Marine win 2 Zerglings? | 16%(84/522) | May 22, 2025 |
| 2238 | Computer Basketball Game | 29%(168/579) | May 22, 2025 |
| 2239 | Selecting Courses | 44%(5784/13077) | Mar 9, 2025 |
| 2240 | Arbitrage | 40%(15703/38865) | Aug 9, 2025 |
| 2241 | The Tower of Babylon | 54%(1634/3013) | May 14, 2025 |
| 2242 | The Circumference of the Circle | 55%(6836/12302) | Jun 21, 2025 |
| 2243 | Knight Moves | 53%(9971/18630) | Apr 30, 2025 |
| 2244 | Eeny Meeny Moo | 66%(3077/4637) | Jun 27, 2025 |
| 2245 | Lotto | 62%(4709/7543) | May 9, 2025 |
| 2246 | Matrix Chain Multiplication | 57%(1927/3338) | Dec 12, 2024 |
| 2247 | Humble Numbers | 45%(5542/12171) | May 4, 2025 |
| 2248 | Addition Chains | 48%(4505/9236) | May 5, 2025 |
| 2249 | Binomial Showdown | 30%(7571/25005) | May 15, 2025 |
| 2250 | Compromise | 42%(4584/10812) | Apr 18, 2025 |
| 2251 | Dungeon Master | 33%(33741/99522) | Aug 11, 2025 |
| 2252 | Equation Solver | 47%(399/838) | Jun 12, 2024 |
| 2253 | Frogger | 29%(29352/98637) | Aug 10, 2025 |
| 2254 | Globetrotter | 32%(547/1687) | May 16, 2025 |
| 2255 | Tree Recovery | 59%(13986/23487) | Aug 2, 2025 |
| 2256 | Artificial Intelligence? | 45%(734/1619) | May 9, 2025 |
| 2257 | Balancing Bank Accounts | 46%(514/1096) | May 22, 2025 |
| 2258 | The Settlers of Catan | 61%(1350/2190) | May 9, 2025 |
| 2259 | Team Queue | 29%(4613/15888) | Jun 27, 2025 |
| 2260 | Error Correction | 57%(5211/8992) | Jun 27, 2025 |
| 2261 | France '98 | 58%(796/1350) | May 9, 2025 |
| 2262 | Goldbach's Conjecture | 36%(22555/61026) | Aug 11, 2025 |
| 2263 | Heavy Cargo | 50%(2838/5654) | May 30, 2025 |
| 2264 | Advanced Fruits | 48%(1543/3161) | May 9, 2025 |
| 2265 | Bee Maja | 62%(757/1210) | May 9, 2025 |
| 2266 | Quadtree | 33%(349/1033) | Apr 29, 2022 |
| 2267 | From Dusk till Dawn or: Vladimir the Vampire | 30%(551/1798) | Feb 17, 2024 |
| 2268 | Euro Cup 2000 | 50%(129/254) | Jul 30, 2021 |
| 2269 | Friends | 43%(691/1595) | Mar 14, 2025 |
| 2270 | Quadtree II or: Florida Jones strikes back | 47%(208/437) | Aug 27, 2021 |
| 2271 | HTML | 31%(2886/9077) | Aug 12, 2024 |
| 2272 | Bullseye | 47%(2948/6144) | Mar 4, 2025 |
| 2273 | An Excel-lent Problem | 63%(1248/1955) | Mar 4, 2025 |
| 2274 | The Race | 22%(1248/5628) | Jul 25, 2025 |
| 2275 | Flipping Pancake | 44%(747/1661) | Jan 29, 2025 |
| 2276 | Model Rocket Height | 55%(463/830) | Nov 23, 2024 |
| 2277 | Region Filling | 15%(70/462) | Mar 2, 2025 |
| 2278 | Histology Assistant | 26%(61/226) | May 16, 2025 |
| 2279 | Mr. Young's Picture Permutations | 31%(1918/6094) | Aug 10, 2025 |
| 2280 | Amphiphilic Carbon Molecules | 35%(642/1827) | May 2, 2025 |
| 2281 | Link and Pop -- the Block Game | 21%(173/795) | Dec 23, 2024 |
| 2282 | The Counting Problem | 49%(3086/6256) | Aug 9, 2025 |
| 2283 | Different Digits | 26%(773/2932) | Nov 6, 2024 |
| 2284 | That Nice Euler Circuit | 31%(750/2361) | May 12, 2025 |
| 2285 | The Floor Bricks | 43%(218/497) | Nov 24, 2024 |
| 2286 | The Rotation Game | 34%(2952/8567) | May 16, 2025 |
| 2287 | Tian Ji -- The Horse Racing | 31%(7310/23369) | Jun 27, 2025 |
| 2288 | Islands and Bridges | 26%(4169/15650) | May 9, 2025 |
| 2289 | Jamie's Contact Groups | 34%(3488/10038) | Jul 30, 2025 |
| 2290 | House Numbers | 24%(262/1069) | Nov 19, 2024 |
| 2291 | Rotten Ropes | 64%(3602/5552) | May 26, 2025 |
| 2292 | Optimal Keypad | 46%(408/869) | May 26, 2025 |
| 2293 | Hey, Pay Day! | 31%(43/136) | Aug 27, 2021 |
| 2294 | Unfoldung | 13%(50/373) | Aug 27, 2021 |
| 2295 | A DP Problem | 30%(1186/3846) | May 26, 2025 |
| 2296 | Map Labeler | 33%(855/2523) | May 26, 2025 |
| 2297 | Balanced Chemical Equations | 35%(100/279) | Nov 12, 2022 |
| 2298 | Great Circle | 24%(91/377) | Sep 30, 2021 |
| 2299 | Ultra-QuickSort | 37%(37822/101253) | Aug 11, 2025 |
