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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%(10655/40185) | Mar 25, 2026 |
| 1201 | Intervals | 36%(15724/42545) | Mar 30, 2026 |
| 1202 | Family | 17%(150/866) | Mar 5, 2026 |
| 1203 | Timetable | 22%(139/608) | Mar 26, 2026 |
| 1204 | Word Puzzles | 37%(5231/13843) | Mar 27, 2026 |
| 1205 | Water Treatment Plants | 53%(658/1231) | Oct 14, 2025 |
| 1206 | Servers | 26%(205/786) | Mar 26, 2026 |
| 1207 | The 3n + 1 problem | 30%(22429/72830) | Apr 2, 2026 |
| 1208 | The Blocks Problem | 40%(5972/14657) | Apr 12, 2026 |
| 1209 | Calendar | 17%(187/1060) | Mar 5, 2026 |
| 1210 | City Directions | 11%(36/326) | Apr 3, 2026 |
| 1211 | Traffic Lights | 32%(226/693) | Apr 5, 2026 |
| 1212 | Eeny Meeny | 30%(118/389) | Mar 26, 2026 |
| 1213 | Roman Numerals | 48%(204/422) | Mar 20, 2026 |
| 1214 | "Accordian" Patience | 27%(662/2409) | Mar 4, 2026 |
| 1215 | Gondwanaland Telecom | 31%(231/729) | Mar 5, 2026 |
| 1216 | Simulation Wizardry | 53%(184/347) | Mar 26, 2026 |
| 1217 | FOUR QUARTERS | 39%(521/1335) | Oct 19, 2025 |
| 1218 | THE DRUNK JAILER | 59%(19467/32655) | Apr 14, 2026 |
| 1219 | L-I-N-G-O: LINGO | 21%(259/1207) | Oct 21, 2025 |
| 1220 | NUMBER BASE CONVERSION | 45%(3315/7358) | Mar 23, 2026 |
| 1221 | UNIMODAL PALINDROMIC DECOMPOSITIONS | 49%(2975/6061) | Mar 21, 2026 |
| 1222 | EXTENDED LIGHTS OUT | 58%(10804/18355) | Apr 13, 2026 |
| 1223 | DEHUFF | 31%(113/363) | Dec 1, 2025 |
| 1224 | PICTURE PUZZLE | 23%(106/451) | Dec 9, 2025 |
| 1225 | STRICTLY INSCRIBED SIMILAR TRIANGLES | 18%(35/186) | Apr 10, 2026 |
| 1226 | Substrings | 34%(6052/17396) | Apr 12, 2026 |
| 1227 | RoboContest | 32%(227/689) | Mar 26, 2026 |
| 1228 | Grandpa's Estate | 27%(5260/18908) | Mar 26, 2026 |
| 1229 | Wild Domains | 33%(414/1227) | Mar 5, 2026 |
| 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%(597/1394) | Mar 5, 2026 |
| 1235 | Galactic Breakup | 33%(131/387) | Nov 21, 2025 |
| 1236 | Network of Schools | 38%(13146/33812) | Apr 13, 2026 |
| 1237 | The Postal Worker Rings Once | 54%(614/1136) | Apr 5, 2026 |
| 1238 | Arbitrage | 32%(282/860) | Apr 7, 2026 |
| 1239 | Increasing Sequences | 42%(2224/5221) | Mar 26, 2026 |
| 1240 | Pre-Post-erous! | 60%(1774/2928) | Mar 26, 2026 |
| 1241 | Knockout Tournament | 59%(584/989) | Oct 14, 2025 |
| 1242 | Plugged In | 44%(224/505) | Oct 14, 2025 |
| 1243 | One Person | 64%(1879/2911) | Apr 13, 2026 |
| 1244 | Slots of Fun | 57%(772/1333) | Oct 14, 2025 |
| 1245 | Programmer, Rank Thyself | 35%(528/1474) | Mar 5, 2026 |
| 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%(4969/9460) | Apr 8, 2026 |
| 1251 | Jungle Roads | 47%(22447/47699) | Apr 10, 2026 |
| 1252 | Euro Efficiency | 41%(2178/5192) | Mar 26, 2026 |
| 1253 | Markov Trains | 13%(71/515) | Mar 21, 2026 |
| 1254 | Hansel and Grethel | 44%(1054/2365) | Oct 14, 2025 |
| 1255 | Floors | 35%(212/600) | Dec 9, 2025 |
| 1256 | Anagram | 39%(12141/30580) | Apr 14, 2026 |
| 1257 | Cross-stitch. | 32%(154/475) | Dec 9, 2025 |
| 1258 | Agri-Net | 40%(38042/94075) | Apr 14, 2026 |
| 1259 | The Picnic | 29%(504/1728) | Oct 14, 2025 |
| 1260 | Pearls | 49%(6701/13517) | Apr 12, 2026 |
| 1261 | Huffman Trees | 17%(161/946) | Dec 9, 2025 |
| 1262 | Input | 42%(356/837) | Mar 26, 2026 |
| 1263 | Reflections | 40%(570/1405) | Oct 14, 2025 |
| 1264 | SCUD Busters | 40%(557/1385) | Mar 5, 2026 |
| 1265 | Area | 38%(3932/10192) | Apr 6, 2026 |
| 1266 | Cover an Arc. | 38%(372/967) | Mar 26, 2026 |
| 1267 | Fence | 23%(220/943) | Mar 22, 2026 |
| 1268 | Forests | 18%(51/277) | Dec 9, 2025 |
| 1269 | Intersecting Lines | 40%(10651/26333) | Apr 13, 2026 |
| 1270 | Following Orders | 39%(3579/9062) | Apr 14, 2026 |
| 1271 | Nice Milk | 22%(482/2147) | Nov 27, 2025 |
| 1272 | Synchronous Design | 21%(94/446) | Nov 21, 2025 |
| 1273 | Drainage Ditches | 39%(38910/99536) | Mar 27, 2026 |
| 1274 | The Perfect Stall | 43%(14698/33945) | Mar 26, 2026 |
| 1275 | Cashier Employment | 38%(4910/12786) | Mar 21, 2026 |
| 1276 | Cash Machine | 37%(20720/55908) | Mar 28, 2026 |
| 1277 | Beer Land | 46%(314/677) | Mar 26, 2026 |
| 1278 | BOAT | 27%(170/623) | Mar 26, 2026 |
| 1279 | Art Gallery | 37%(4365/11729) | Jan 24, 2026 |
| 1280 | Game | 32%(229/715) | Mar 26, 2026 |
| 1281 | MANAGER | 34%(1613/4730) | Mar 26, 2026 |
| 1282 | 庆典的日期 | 14%(412/2864) | Nov 17, 2025 |
| 1283 | Moving Computer | 43%(1262/2919) | Apr 12, 2026 |
| 1284 | Primitive Roots | 57%(4089/7107) | Mar 27, 2026 |
| 1285 | Combinations, Once Again | 33%(723/2146) | Mar 26, 2026 |
| 1286 | Necklace of Beads | 38%(4793/12347) | Jan 23, 2026 |
| 1287 | Networking | 50%(16194/32200) | Apr 9, 2026 |
| 1288 | Sly Number | 36%(188/520) | Mar 5, 2026 |
| 1289 | The Cat in the Hat | 35%(624/1779) | Mar 26, 2026 |
| 1290 | Grandpa's Rubik Cube | 51%(234/454) | Dec 9, 2025 |
| 1291 | This Sentence is False | 44%(596/1329) | Mar 26, 2026 |
| 1292 | Will Indiana Jones Get There? | 26%(616/2359) | Oct 14, 2025 |
| 1293 | Duty Free Shop | 38%(865/2260) | Mar 7, 2026 |
| 1294 | Not Too Convex Hull | 21%(141/655) | Dec 9, 2025 |
| 1295 | I hate SPAM, but some people love it | 43%(189/435) | Apr 5, 2026 |
| 1296 | Noise Effect | 39%(157/402) | Nov 20, 2025 |
| 1297 | Supermarket | 36%(683/1889) | Oct 14, 2025 |
| 1298 | The Hardest Problem Ever | 52%(16191/30958) | Mar 26, 2026 |
| 1299 | Polar Explorer | 34%(1539/4499) | Oct 14, 2025 |
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