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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 |
| 1000 | A+B Problem | 56%(330679/587320) | Sep 3, 2026 |
| 1001 | Exponentiation | 23%(49129/206037) | Sep 1, 2026 |
| 1002 | 487-3279 | 17%(60534/341235) | Aug 25, 2026 |
| 1003 | Hangover | 48%(76244/158651) | Sep 2, 2026 |
| 1004 | Financial Management | 37%(91380/246156) | Sep 3, 2026 |
| 1005 | I Think I Need a Houseboat | 42%(56319/133418) | Sep 2, 2026 |
| 1006 | Biorhythms | 32%(54485/166620) | Aug 19, 2026 |
| 1007 | DNA Sorting | 38%(50387/129452) | Aug 24, 2026 |
| 1008 | Maya Calendar | 30%(28942/94533) | Aug 19, 2026 |
| 1009 | Edge Detection | 24%(6271/25944) | Aug 20, 2026 |
| 1010 | STAMPS | 29%(6564/21925) | Aug 20, 2026 |
| 1011 | Sticks | 24%(44319/181116) | Sep 1, 2026 |
| 1012 | Joseph | 37%(24369/65165) | Aug 20, 2026 |
| 1013 | Counterfeit Dollar | 30%(18708/62026) | Aug 20, 2026 |
| 1014 | Dividing | 26%(22221/83243) | Aug 29, 2026 |
| 1015 | Jury Compromise | 27%(11383/41821) | Aug 23, 2026 |
| 1016 | Numbers That Count | 33%(8126/24033) | Aug 21, 2026 |
| 1017 | Packets | 33%(26358/79426) | Aug 22, 2026 |
| 1018 | Communication System | 34%(12862/36756) | Aug 31, 2026 |
| 1019 | Number Sequence | 28%(13923/48168) | Aug 22, 2026 |
| 1020 | Anniversary Cake | 32%(6697/20412) | Aug 22, 2026 |
| 1021 | 2D-Nim | 45%(2230/4849) | Aug 24, 2026 |
| 1022 | Packing Unit 4D Cubes | 36%(1108/3067) | Jul 18, 2026 |
| 1023 | The Fun Number System | 34%(4378/12557) | Jul 18, 2026 |
| 1024 | Tester Program | 36%(1275/3486) | Jul 18, 2026 |
| 1025 | Department | 25%(639/2534) | Jul 18, 2026 |
| 1026 | Cipher | 28%(7053/25051) | Jul 21, 2026 |
| 1027 | The Same Game | 35%(2826/7894) | Aug 31, 2026 |
| 1028 | Web Navigation | 43%(20002/45622) | Aug 5, 2026 |
| 1029 | False coin | 29%(9375/32225) | Jul 18, 2026 |
| 1030 | Rating | 25%(603/2321) | Jul 18, 2026 |
| 1031 | Fence | 35%(1548/4407) | Aug 20, 2026 |
| 1032 | Parliament | 42%(9010/21373) | Aug 19, 2026 |
| 1033 | Defragment | 31%(2518/7945) | Jul 18, 2026 |
| 1034 | The dog task | 40%(1517/3754) | Jul 18, 2026 |
| 1035 | Spell checker | 35%(11689/33174) | Jul 18, 2026 |
| 1036 | Gangsters | 28%(4193/14591) | Jul 18, 2026 |
| 1037 | A decorative fence | 38%(3909/10149) | Sep 2, 2026 |
| 1038 | Bugs Integrated, Inc. | 38%(4565/11834) | Jul 21, 2026 |
| 1039 | Pipe | 30%(4630/15096) | Aug 12, 2026 |
| 1040 | Transportation | 41%(2616/6277) | Jul 18, 2026 |
| 1041 | John's trip | 34%(4537/13152) | Aug 25, 2026 |
| 1042 | Gone Fishing | 33%(17270/51490) | Aug 4, 2026 |
| 1043 | What's In A Name? | 35%(1116/3181) | Aug 3, 2026 |
| 1044 | Date bugs | 16%(1646/10143) | Jul 18, 2026 |
| 1045 | Bode Plot | 59%(10521/17557) | Jul 18, 2026 |
| 1046 | Color Me Less | 48%(18309/38094) | Jul 20, 2026 |
| 1047 | Round and Round We Go | 46%(6553/14037) | Jul 18, 2026 |
| 1048 | Follow My Logic | 27%(714/2639) | Jul 18, 2026 |
| 1049 | Microprocessor Simulation | 29%(1073/3614) | Jul 18, 2026 |
| 1050 | To the Max | 52%(36387/69074) | Sep 1, 2026 |
| 1051 | P,MTHBGWB | 55%(5129/9217) | Jul 18, 2026 |
| 1052 | Plato's Blocks | 37%(444/1189) | Jul 18, 2026 |
| 1053 | Set Me | 46%(1657/3598) | Aug 6, 2026 |
| 1054 | The Troublesome Frog | 29%(4749/16153) | Jul 18, 2026 |
| 1055 | BULK MAILING | 29%(372/1275) | Jul 18, 2026 |
| 1056 | IMMEDIATE DECODABILITY | 45%(8019/17553) | Aug 18, 2026 |
| 1057 | FILE MAPPING | 45%(1399/3052) | Jul 18, 2026 |
| 1058 | The Gourmet Club | 29%(603/2015) | Jul 18, 2026 |
| 1059 | Chutes and Ladders | 2%(1223/47078) | Aug 16, 2026 |
| 1060 | Modular multiplication of polynomials | 46%(2504/5437) | Jul 18, 2026 |
| 1061 | 青蛙的约会 | 23%(37374/156878) | Aug 31, 2026 |
| 1062 | 昂贵的聘礼 | 31%(23022/74180) | Sep 1, 2026 |
| 1063 | Flip and Shift | 45%(3864/8457) | Aug 19, 2026 |
| 1064 | Cable master | 20%(21796/106994) | Aug 27, 2026 |
| 1065 | Wooden Sticks | 43%(13833/32068) | Sep 1, 2026 |
| 1066 | Treasure Hunt | 40%(4308/10636) | Aug 15, 2026 |
| 1067 | 取石子游戏 | 34%(19020/55152) | Aug 20, 2026 |
| 1068 | Parencodings | 58%(18798/32012) | Jul 23, 2026 |
| 1069 | The Bermuda Triangle | 45%(821/1796) | Jul 18, 2026 |
| 1070 | Deformed Wheel | 21%(215/1014) | Aug 6, 2026 |
| 1071 | Illusive Chase | 46%(719/1549) | Jul 18, 2026 |
| 1072 | Puzzle Out | 22%(363/1604) | Aug 5, 2026 |
| 1073 | The Willy Memorial Program | 26%(261/989) | Jul 19, 2026 |
| 1074 | Parallel Expectations | 29%(357/1213) | Aug 29, 2026 |
| 1075 | University Entrance Examination | 29%(326/1103) | Jul 18, 2026 |
| 1076 | Bowl | 20%(265/1263) | Jul 18, 2026 |
| 1077 | Eight | 38%(19986/52230) | Aug 25, 2026 |
| 1078 | Gizilch | 38%(794/2039) | Jul 18, 2026 |
| 1079 | Ratio | 37%(1681/4530) | Jul 18, 2026 |
| 1080 | Human Gene Functions | 56%(13518/24029) | Aug 21, 2026 |
| 1081 | You Who? | 28%(389/1350) | Aug 26, 2026 |
| 1082 | Calendar Game | 48%(3707/7593) | Jul 18, 2026 |
| 1083 | Moving Tables | 32%(13733/41867) | Aug 22, 2026 |
| 1084 | Square Destroyer | 46%(3212/6907) | Sep 2, 2026 |
| 1085 | Triangle War | 39%(1684/4251) | Aug 8, 2026 |
| 1086 | Unscrambling Images | 35%(390/1098) | Jul 18, 2026 |
| 1087 | A Plug for UNIX | 35%(8378/23677) | Aug 4, 2026 |
| 1088 | 滑雪 | 38%(52147/135135) | Sep 1, 2026 |
| 1089 | Intervals | 39%(4717/12087) | Aug 24, 2026 |
| 1090 | Chain | 32%(1295/3945) | Jul 18, 2026 |
| 1091 | 跳蚤 | 34%(4817/13873) | Jul 18, 2026 |
| 1092 | Farmland | 36%(571/1582) | Aug 15, 2026 |
| 1093 | Formatting Text | 28%(811/2842) | Jul 18, 2026 |
| 1094 | Sorting It All Out | 34%(16886/49044) | Aug 28, 2026 |
| 1095 | Trees Made to Order | 56%(4699/8382) | Aug 3, 2026 |
| 1096 | Space Station Shielding | 35%(697/1971) | Aug 3, 2026 |
| 1097 | Roads Scholar | 35%(379/1079) | Aug 3, 2026 |
| 1098 | Robots | 26%(226/851) | Jul 18, 2026 |
| 1099 | Square Ice | 38%(1915/4984) | Aug 3, 2026 |
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