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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%(10679/40214) | Oct 8, 2026 |
| 1201 | Intervals | 36%(15814/42741) | Oct 19, 2026 |
| 1202 | Family | 17%(157/906) | Oct 16, 2026 |
| 1203 | Timetable | 23%(146/630) | Oct 16, 2026 |
| 1204 | Word Puzzles | 37%(5238/13862) | Oct 12, 2026 |
| 1205 | Water Treatment Plants | 53%(665/1239) | Oct 12, 2026 |
| 1206 | Servers | 25%(209/810) | Oct 16, 2026 |
| 1207 | The 3n + 1 problem | 30%(22450/72861) | Oct 13, 2026 |
| 1208 | The Blocks Problem | 40%(5999/14695) | Oct 8, 2026 |
| 1209 | Calendar | 17%(192/1091) | Oct 12, 2026 |
| 1210 | City Directions | 11%(39/337) | Oct 16, 2026 |
| 1211 | Traffic Lights | 33%(232/699) | Oct 8, 2026 |
| 1212 | Eeny Meeny | 30%(122/401) | Oct 16, 2026 |
| 1213 | Roman Numerals | 49%(211/429) | Oct 8, 2026 |
| 1214 | "Accordian" Patience | 27%(668/2416) | Oct 12, 2026 |
| 1215 | Gondwanaland Telecom | 31%(238/760) | Oct 13, 2026 |
| 1216 | Simulation Wizardry | 53%(189/353) | Oct 8, 2026 |
| 1217 | FOUR QUARTERS | 39%(526/1348) | Oct 8, 2026 |
| 1218 | THE DRUNK JAILER | 59%(19479/32667) | Oct 20, 2026 |
| 1219 | L-I-N-G-O: LINGO | 21%(265/1231) | Oct 8, 2026 |
| 1220 | NUMBER BASE CONVERSION | 45%(3321/7364) | Oct 8, 2026 |
| 1221 | UNIMODAL PALINDROMIC DECOMPOSITIONS | 49%(2984/6070) | Oct 8, 2026 |
| 1222 | EXTENDED LIGHTS OUT | 58%(10853/18415) | Oct 21, 2026 |
| 1223 | DEHUFF | 32%(122/378) | Oct 16, 2026 |
| 1224 | PICTURE PUZZLE | 21%(108/498) | Oct 16, 2026 |
| 1225 | STRICTLY INSCRIBED SIMILAR TRIANGLES | 18%(39/212) | Oct 16, 2026 |
| 1226 | Substrings | 34%(6059/17403) | Oct 8, 2026 |
| 1227 | RoboContest | 33%(237/705) | Oct 8, 2026 |
| 1228 | Grandpa's Estate | 27%(5277/18940) | Oct 11, 2026 |
| 1229 | Wild Domains | 34%(423/1236) | Oct 8, 2026 |
| 1230 | Pass-Muraille | 31%(4412/13999) | Oct 8, 2026 |
| 1231 | The Alphabet Game | 41%(761/1832) | Oct 8, 2026 |
| 1232 | Microfiches | 18%(67/365) | Oct 16, 2026 |
| 1233 | Street Crossing | 17%(108/631) | Oct 16, 2026 |
| 1234 | Ball Toss | 42%(602/1402) | Oct 8, 2026 |
| 1235 | Galactic Breakup | 35%(140/400) | Oct 16, 2026 |
| 1236 | Network of Schools | 38%(13197/33885) | Oct 21, 2026 |
| 1237 | The Postal Worker Rings Once | 54%(623/1145) | Oct 8, 2026 |
| 1238 | Arbitrage | 29%(282/943) | Oct 16, 2026 |
| 1239 | Increasing Sequences | 42%(2237/5245) | Oct 9, 2026 |
| 1240 | Pre-Post-erous! | 60%(1782/2938) | Oct 9, 2026 |
| 1241 | Knockout Tournament | 59%(590/997) | Oct 7, 2026 |
| 1242 | Plugged In | 44%(233/521) | Oct 7, 2026 |
| 1243 | One Person | 64%(1888/2920) | Oct 7, 2026 |
| 1244 | Slots of Fun | 58%(780/1341) | Oct 8, 2026 |
| 1245 | Programmer, Rank Thyself | 35%(533/1481) | Oct 7, 2026 |
| 1246 | Hilbert Curve Intersections | 27%(104/385) | Oct 16, 2026 |
| 1247 | Magnificent Meatballs | 64%(5150/8010) | Oct 8, 2026 |
| 1248 | Safecracker | 49%(2067/4141) | Oct 8, 2026 |
| 1249 | Oil Pipeline | 26%(122/463) | Oct 16, 2026 |
| 1250 | Tanning Salon | 52%(4977/9468) | Oct 8, 2026 |
| 1251 | Jungle Roads | 47%(22487/47746) | Oct 14, 2026 |
| 1252 | Euro Efficiency | 42%(2186/5201) | Oct 16, 2026 |
| 1253 | Markov Trains | 14%(76/521) | Oct 16, 2026 |
| 1254 | Hansel and Grethel | 44%(1061/2372) | Oct 16, 2026 |
| 1255 | Floors | 36%(222/610) | Oct 16, 2026 |
| 1256 | Anagram | 39%(12310/30864) | Oct 16, 2026 |
| 1257 | Cross-stitch. | 33%(163/487) | Oct 16, 2026 |
| 1258 | Agri-Net | 40%(38237/94346) | Oct 19, 2026 |
| 1259 | The Picnic | 29%(512/1745) | Oct 8, 2026 |
| 1260 | Pearls | 49%(6818/13679) | Oct 22, 2026 |
| 1261 | Huffman Trees | 17%(171/998) | Oct 20, 2026 |
| 1262 | Input | 42%(361/842) | Oct 8, 2026 |
| 1263 | Reflections | 40%(575/1417) | Oct 8, 2026 |
| 1264 | SCUD Busters | 40%(565/1393) | Oct 8, 2026 |
| 1265 | Area | 38%(3981/10294) | Oct 21, 2026 |
| 1266 | Cover an Arc. | 38%(381/979) | Oct 8, 2026 |
| 1267 | Fence | 23%(229/960) | Oct 8, 2026 |
| 1268 | Forests | 19%(55/287) | Oct 16, 2026 |
| 1269 | Intersecting Lines | 40%(10697/26388) | Oct 8, 2026 |
| 1270 | Following Orders | 39%(3627/9151) | Oct 21, 2026 |
| 1271 | Nice Milk | 22%(488/2164) | Oct 8, 2026 |
| 1272 | Synchronous Design | 22%(102/455) | Oct 16, 2026 |
| 1273 | Drainage Ditches | 39%(39238/99899) | Oct 12, 2026 |
| 1274 | The Perfect Stall | 43%(14711/33962) | Oct 20, 2026 |
| 1275 | Cashier Employment | 38%(4932/12814) | Oct 21, 2026 |
| 1276 | Cash Machine | 37%(20867/56115) | Oct 16, 2026 |
| 1277 | Beer Land | 46%(324/690) | Oct 20, 2026 |
| 1278 | BOAT | 27%(175/642) | Oct 16, 2026 |
| 1279 | Art Gallery | 37%(4393/11771) | Oct 7, 2026 |
| 1280 | Game | 32%(235/726) | Oct 8, 2026 |
| 1281 | MANAGER | 34%(1625/4746) | Oct 13, 2026 |
| 1282 | 庆典的日期 | 14%(426/2921) | Oct 7, 2026 |
| 1283 | Moving Computer | 43%(1292/2954) | Oct 7, 2026 |
| 1284 | Primitive Roots | 57%(4101/7120) | Oct 7, 2026 |
| 1285 | Combinations, Once Again | 33%(729/2154) | Oct 7, 2026 |
| 1286 | Necklace of Beads | 38%(4811/12381) | Oct 7, 2026 |
| 1287 | Networking | 50%(16226/32241) | Oct 19, 2026 |
| 1288 | Sly Number | 37%(197/530) | Oct 16, 2026 |
| 1289 | The Cat in the Hat | 35%(661/1868) | Oct 13, 2026 |
| 1290 | Grandpa's Rubik Cube | 51%(241/467) | Oct 7, 2026 |
| 1291 | This Sentence is False | 45%(606/1339) | Oct 7, 2026 |
| 1292 | Will Indiana Jones Get There? | 26%(625/2371) | Oct 8, 2026 |
| 1293 | Duty Free Shop | 38%(872/2267) | Oct 16, 2026 |
| 1294 | Not Too Convex Hull | 22%(150/664) | Oct 16, 2026 |
| 1295 | I hate SPAM, but some people love it | 44%(195/441) | Oct 16, 2026 |
| 1296 | Noise Effect | 39%(163/408) | Oct 16, 2026 |
| 1297 | Supermarket | 36%(692/1898) | Oct 16, 2026 |
| 1298 | The Hardest Problem Ever | 52%(16198/30965) | Oct 8, 2026 |
| 1299 | Polar Explorer | 34%(1550/4512) | Oct 8, 2026 |
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