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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%(331078/587787) | Oct 23, 2026 |
| 1001 | Exponentiation | 23%(49163/206122) | Oct 23, 2026 |
| 1002 | 487-3279 | 17%(60593/341397) | Oct 23, 2026 |
| 1003 | Hangover | 48%(76272/158691) | Oct 23, 2026 |
| 1004 | Financial Management | 37%(91638/246580) | Oct 22, 2026 |
| 1005 | I Think I Need a Houseboat | 42%(56338/133450) | Oct 23, 2026 |
| 1006 | Biorhythms | 32%(54524/166671) | Oct 23, 2026 |
| 1007 | DNA Sorting | 38%(50418/129493) | Oct 23, 2026 |
| 1008 | Maya Calendar | 30%(28961/94573) | Oct 23, 2026 |
| 1009 | Edge Detection | 24%(6284/26014) | Oct 23, 2026 |
| 1010 | STAMPS | 29%(6574/21967) | Oct 23, 2026 |
| 1011 | Sticks | 24%(44347/181166) | Oct 22, 2026 |
| 1012 | Joseph | 37%(24384/65195) | Oct 23, 2026 |
| 1013 | Counterfeit Dollar | 30%(18724/62051) | Oct 23, 2026 |
| 1014 | Dividing | 26%(22235/83263) | Oct 23, 2026 |
| 1015 | Jury Compromise | 27%(11401/41862) | Oct 23, 2026 |
| 1016 | Numbers That Count | 33%(8133/24041) | Oct 23, 2026 |
| 1017 | Packets | 33%(26378/79457) | Oct 23, 2026 |
| 1018 | Communication System | 35%(12870/36765) | Oct 22, 2026 |
| 1019 | Number Sequence | 28%(13931/48176) | Oct 23, 2026 |
| 1020 | Anniversary Cake | 32%(6705/20423) | Oct 23, 2026 |
| 1021 | 2D-Nim | 46%(2235/4856) | Oct 11, 2026 |
| 1022 | Packing Unit 4D Cubes | 36%(1113/3072) | Oct 23, 2026 |
| 1023 | The Fun Number System | 34%(4392/12575) | Oct 23, 2026 |
| 1024 | Tester Program | 36%(1279/3498) | Oct 23, 2026 |
| 1025 | Department | 25%(645/2543) | Oct 23, 2026 |
| 1026 | Cipher | 28%(7063/25069) | Oct 23, 2026 |
| 1027 | The Same Game | 35%(2832/7901) | Oct 23, 2026 |
| 1028 | Web Navigation | 43%(20015/45642) | Oct 20, 2026 |
| 1029 | False coin | 29%(9389/32244) | Oct 23, 2026 |
| 1030 | Rating | 26%(608/2331) | Oct 15, 2026 |
| 1031 | Fence | 35%(1555/4419) | Oct 23, 2026 |
| 1032 | Parliament | 42%(9025/21398) | Oct 23, 2026 |
| 1033 | Defragment | 31%(2518/7965) | Oct 23, 2026 |
| 1034 | The dog task | 40%(1523/3761) | Oct 12, 2026 |
| 1035 | Spell checker | 35%(11693/33179) | Oct 23, 2026 |
| 1036 | Gangsters | 28%(4203/14604) | Oct 23, 2026 |
| 1037 | A decorative fence | 38%(3924/10164) | Oct 23, 2026 |
| 1038 | Bugs Integrated, Inc. | 38%(4576/11845) | Oct 23, 2026 |
| 1039 | Pipe | 30%(4640/15119) | Oct 23, 2026 |
| 1040 | Transportation | 41%(2622/6283) | Oct 23, 2026 |
| 1041 | John's trip | 34%(4544/13164) | Oct 23, 2026 |
| 1042 | Gone Fishing | 33%(17278/51503) | Oct 23, 2026 |
| 1043 | What's In A Name? | 35%(1127/3194) | Oct 23, 2026 |
| 1044 | Date bugs | 16%(1667/10195) | Oct 23, 2026 |
| 1045 | Bode Plot | 59%(10527/17563) | Oct 23, 2026 |
| 1046 | Color Me Less | 48%(18315/38100) | Oct 23, 2026 |
| 1047 | Round and Round We Go | 46%(6563/14049) | Oct 23, 2026 |
| 1048 | Follow My Logic | 27%(717/2650) | Oct 23, 2026 |
| 1049 | Microprocessor Simulation | 29%(1077/3621) | Oct 21, 2026 |
| 1050 | To the Max | 52%(36405/69098) | Oct 23, 2026 |
| 1051 | P,MTHBGWB | 55%(5133/9221) | Oct 12, 2026 |
| 1052 | Plato's Blocks | 37%(454/1206) | Oct 23, 2026 |
| 1053 | Set Me | 46%(1661/3603) | Oct 12, 2026 |
| 1054 | The Troublesome Frog | 29%(4759/16168) | Oct 23, 2026 |
| 1055 | BULK MAILING | 29%(375/1291) | Oct 23, 2026 |
| 1056 | IMMEDIATE DECODABILITY | 45%(8029/17566) | Oct 7, 2026 |
| 1057 | FILE MAPPING | 45%(1405/3064) | Oct 23, 2026 |
| 1058 | The Gourmet Club | 30%(608/2026) | Oct 23, 2026 |
| 1059 | Chutes and Ladders | 2%(1238/47105) | Oct 23, 2026 |
| 1060 | Modular multiplication of polynomials | 46%(2509/5444) | Oct 22, 2026 |
| 1061 | 青蛙的约会 | 23%(37397/156936) | Oct 23, 2026 |
| 1062 | 昂贵的聘礼 | 31%(23038/74201) | Oct 21, 2026 |
| 1063 | Flip and Shift | 45%(3874/8468) | Oct 23, 2026 |
| 1064 | Cable master | 20%(21828/107122) | Oct 23, 2026 |
| 1065 | Wooden Sticks | 43%(13839/32076) | Oct 23, 2026 |
| 1066 | Treasure Hunt | 40%(4319/10657) | Oct 23, 2026 |
| 1067 | 取石子游戏 | 34%(19038/55171) | Oct 21, 2026 |
| 1068 | Parencodings | 58%(18803/32018) | Oct 23, 2026 |
| 1069 | The Bermuda Triangle | 45%(826/1803) | Oct 8, 2026 |
| 1070 | Deformed Wheel | 21%(219/1035) | Oct 23, 2026 |
| 1071 | Illusive Chase | 46%(727/1559) | Oct 23, 2026 |
| 1072 | Puzzle Out | 22%(366/1618) | Oct 23, 2026 |
| 1073 | The Willy Memorial Program | 26%(269/1009) | Oct 23, 2026 |
| 1074 | Parallel Expectations | 29%(363/1231) | Oct 12, 2026 |
| 1075 | University Entrance Examination | 30%(337/1117) | Oct 23, 2026 |
| 1076 | Bowl | 21%(272/1282) | Oct 13, 2026 |
| 1077 | Eight | 38%(20054/52319) | Oct 23, 2026 |
| 1078 | Gizilch | 39%(800/2048) | Oct 23, 2026 |
| 1079 | Ratio | 37%(1684/4534) | Oct 7, 2026 |
| 1080 | Human Gene Functions | 56%(13536/24049) | Oct 23, 2026 |
| 1081 | You Who? | 29%(396/1362) | Oct 23, 2026 |
| 1082 | Calendar Game | 48%(3717/7604) | Oct 23, 2026 |
| 1083 | Moving Tables | 32%(13756/41914) | Oct 23, 2026 |
| 1084 | Square Destroyer | 46%(3222/6921) | Oct 23, 2026 |
| 1085 | Triangle War | 39%(1695/4265) | Oct 23, 2026 |
| 1086 | Unscrambling Images | 35%(398/1106) | Oct 23, 2026 |
| 1087 | A Plug for UNIX | 35%(8386/23686) | Oct 23, 2026 |
| 1088 | 滑雪 | 38%(52164/135153) | Oct 22, 2026 |
| 1089 | Intervals | 39%(4725/12095) | Oct 23, 2026 |
| 1090 | Chain | 32%(1303/3958) | Oct 21, 2026 |
| 1091 | 跳蚤 | 34%(4827/13890) | Oct 23, 2026 |
| 1092 | Farmland | 36%(575/1588) | Oct 23, 2026 |
| 1093 | Formatting Text | 28%(819/2856) | Oct 23, 2026 |
| 1094 | Sorting It All Out | 34%(16896/49066) | Oct 21, 2026 |
| 1095 | Trees Made to Order | 56%(4708/8393) | Oct 23, 2026 |
| 1096 | Space Station Shielding | 35%(700/1976) | Oct 23, 2026 |
| 1097 | Roads Scholar | 35%(384/1084) | Oct 23, 2026 |
| 1098 | Robots | 26%(231/864) | Oct 23, 2026 |
| 1099 | Square Ice | 38%(1924/4995) | Oct 8, 2026 |
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