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| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
| ID | Title | Ratio(AC/submit) | Date |
| 1200 | Crazy Search | 26%(10645/40167) | Nov 11, 2025 |
| 1201 | Intervals | 36%(15714/42521) | Nov 22, 2025 |
| 1202 | Family | 17%(150/848) | Oct 14, 2025 |
| 1203 | Timetable | 22%(138/601) | Oct 14, 2025 |
| 1204 | Word Puzzles | 37%(5227/13833) | Nov 19, 2025 |
| 1205 | Water Treatment Plants | 53%(658/1231) | Oct 14, 2025 |
| 1206 | Servers | 26%(202/772) | Oct 14, 2025 |
| 1207 | The 3n + 1 problem | 30%(22397/72767) | Dec 10, 2025 |
| 1208 | The Blocks Problem | 40%(5960/14636) | Dec 16, 2025 |
| 1209 | Calendar | 17%(187/1059) | Oct 14, 2025 |
| 1210 | City Directions | 11%(36/323) | Dec 9, 2025 |
| 1211 | Traffic Lights | 32%(224/687) | Oct 14, 2025 |
| 1212 | Eeny Meeny | 30%(118/381) | Nov 18, 2025 |
| 1213 | Roman Numerals | 48%(203/419) | Nov 21, 2025 |
| 1214 | "Accordian" Patience | 27%(662/2405) | Oct 16, 2025 |
| 1215 | Gondwanaland Telecom | 31%(226/724) | Oct 14, 2025 |
| 1216 | Simulation Wizardry | 52%(182/344) | Oct 14, 2025 |
| 1217 | FOUR QUARTERS | 39%(521/1335) | Oct 19, 2025 |
| 1218 | THE DRUNK JAILER | 59%(19448/32636) | Dec 15, 2025 |
| 1219 | L-I-N-G-O: LINGO | 21%(259/1207) | Oct 21, 2025 |
| 1220 | NUMBER BASE CONVERSION | 45%(3314/7347) | Oct 14, 2025 |
| 1221 | UNIMODAL PALINDROMIC DECOMPOSITIONS | 49%(2974/6056) | Oct 14, 2025 |
| 1222 | EXTENDED LIGHTS OUT | 58%(10800/18342) | Dec 13, 2025 |
| 1223 | DEHUFF | 31%(113/363) | Dec 1, 2025 |
| 1224 | PICTURE PUZZLE | 23%(106/451) | Dec 9, 2025 |
| 1225 | STRICTLY INSCRIBED SIMILAR TRIANGLES | 19%(35/183) | Dec 9, 2025 |
| 1226 | Substrings | 34%(6041/17372) | Oct 20, 2025 |
| 1227 | RoboContest | 32%(224/679) | Oct 14, 2025 |
| 1228 | Grandpa's Estate | 27%(5254/18876) | Oct 20, 2025 |
| 1229 | Wild Domains | 33%(414/1225) | Nov 13, 2025 |
| 1230 | Pass-Muraille | 31%(4403/13989) | Oct 20, 2025 |
| 1231 | The Alphabet Game | 41%(752/1822) | Oct 14, 2025 |
| 1232 | Microfiches | 17%(59/346) | Dec 9, 2025 |
| 1233 | Street Crossing | 16%(102/615) | Dec 9, 2025 |
| 1234 | Ball Toss | 42%(595/1392) | Oct 14, 2025 |
| 1235 | Galactic Breakup | 33%(131/387) | Nov 21, 2025 |
| 1236 | Network of Schools | 38%(13132/33781) | Nov 26, 2025 |
| 1237 | The Postal Worker Rings Once | 53%(610/1131) | Oct 14, 2025 |
| 1238 | Arbitrage | 32%(282/856) | Oct 21, 2025 |
| 1239 | Increasing Sequences | 42%(2224/5216) | Nov 16, 2025 |
| 1240 | Pre-Post-erous! | 60%(1764/2915) | Oct 14, 2025 |
| 1241 | Knockout Tournament | 59%(584/989) | Oct 14, 2025 |
| 1242 | Plugged In | 44%(224/505) | Oct 14, 2025 |
| 1243 | One Person | 64%(1867/2898) | Oct 14, 2025 |
| 1244 | Slots of Fun | 57%(772/1333) | Oct 14, 2025 |
| 1245 | Programmer, Rank Thyself | 35%(527/1470) | Oct 22, 2025 |
| 1246 | Hilbert Curve Intersections | 25%(96/374) | Dec 9, 2025 |
| 1247 | Magnificent Meatballs | 64%(5139/7996) | Oct 14, 2025 |
| 1248 | Safecracker | 49%(2060/4134) | Nov 19, 2025 |
| 1249 | Oil Pipeline | 25%(112/439) | Dec 9, 2025 |
| 1250 | Tanning Salon | 52%(4959/9445) | Oct 14, 2025 |
| 1251 | Jungle Roads | 47%(22416/47651) | Dec 9, 2025 |
| 1252 | Euro Efficiency | 41%(2171/5179) | Oct 14, 2025 |
| 1253 | Markov Trains | 14%(71/507) | Dec 9, 2025 |
| 1254 | Hansel and Grethel | 44%(1054/2365) | Oct 14, 2025 |
| 1255 | Floors | 35%(212/600) | Dec 9, 2025 |
| 1256 | Anagram | 39%(12044/30358) | Dec 8, 2025 |
| 1257 | Cross-stitch. | 32%(154/475) | Dec 9, 2025 |
| 1258 | Agri-Net | 40%(37811/93650) | Dec 16, 2025 |
| 1259 | The Picnic | 29%(504/1728) | Oct 14, 2025 |
| 1260 | Pearls | 49%(6652/13403) | Dec 14, 2025 |
| 1261 | Huffman Trees | 17%(161/946) | Dec 9, 2025 |
| 1262 | Input | 41%(347/827) | Oct 14, 2025 |
| 1263 | Reflections | 40%(570/1405) | Oct 14, 2025 |
| 1264 | SCUD Busters | 40%(557/1379) | Oct 14, 2025 |
| 1265 | Area | 38%(3919/10118) | Dec 15, 2025 |
| 1266 | Cover an Arc. | 38%(370/961) | Oct 14, 2025 |
| 1267 | Fence | 23%(220/939) | Oct 14, 2025 |
| 1268 | Forests | 18%(51/277) | Dec 9, 2025 |
| 1269 | Intersecting Lines | 40%(10626/26293) | Dec 5, 2025 |
| 1270 | Following Orders | 39%(3569/9043) | Dec 9, 2025 |
| 1271 | Nice Milk | 22%(482/2147) | Nov 27, 2025 |
| 1272 | Synchronous Design | 21%(94/446) | Nov 21, 2025 |
| 1273 | Drainage Ditches | 39%(38884/99477) | Dec 16, 2025 |
| 1274 | The Perfect Stall | 43%(14674/33906) | Nov 6, 2025 |
| 1275 | Cashier Employment | 38%(4909/12780) | Oct 22, 2025 |
| 1276 | Cash Machine | 36%(20585/55707) | Dec 16, 2025 |
| 1277 | Beer Land | 45%(308/671) | Oct 23, 2025 |
| 1278 | BOAT | 27%(169/613) | Dec 9, 2025 |
| 1279 | Art Gallery | 37%(4364/11728) | Nov 20, 2025 |
| 1280 | Game | 31%(220/702) | Oct 14, 2025 |
| 1281 | MANAGER | 34%(1603/4699) | Dec 7, 2025 |
| 1282 | 庆典的日期 | 14%(412/2864) | Nov 17, 2025 |
| 1283 | Moving Computer | 42%(1213/2823) | Dec 9, 2025 |
| 1284 | Primitive Roots | 57%(4050/7049) | Oct 14, 2025 |
| 1285 | Combinations, Once Again | 33%(715/2136) | Oct 14, 2025 |
| 1286 | Necklace of Beads | 38%(4792/12344) | Dec 13, 2025 |
| 1287 | Networking | 50%(16168/32146) | Nov 20, 2025 |
| 1288 | Sly Number | 36%(188/515) | Oct 23, 2025 |
| 1289 | The Cat in the Hat | 34%(616/1768) | Oct 14, 2025 |
| 1290 | Grandpa's Rubik Cube | 51%(234/454) | Dec 9, 2025 |
| 1291 | This Sentence is False | 44%(593/1324) | Oct 14, 2025 |
| 1292 | Will Indiana Jones Get There? | 26%(616/2359) | Oct 14, 2025 |
| 1293 | Duty Free Shop | 38%(865/2257) | Oct 14, 2025 |
| 1294 | Not Too Convex Hull | 21%(141/655) | Dec 9, 2025 |
| 1295 | I hate SPAM, but some people love it | 43%(187/431) | Oct 14, 2025 |
| 1296 | Noise Effect | 39%(157/402) | Nov 20, 2025 |
| 1297 | Supermarket | 36%(683/1889) | Oct 14, 2025 |
| 1298 | The Hardest Problem Ever | 52%(16186/30948) | Dec 8, 2025 |
| 1299 | Polar Explorer | 34%(1539/4499) | Oct 14, 2025 |
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