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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 |
| 2963 | Lazy Evaluation | 14%(17/117) | Mar 11, 2025 |
| 2911 | Simplified λ-evaluations | 38%(53/137) | Sep 27, 2025 |
| 2962 | Who owns the Amiga? | 28%(41/142) | Dec 12, 2024 |
| 2910 | Downpayment | 24%(43/179) | Dec 7, 2022 |
| 2999 | Matrix | 12%(25/193) | Jul 28, 2023 |
| 2972 | Laser-Ball | 22%(50/224) | Jul 17, 2022 |
| 2916 | The Wolves and the Sheep Plus | 20%(45/224) | Sep 28, 2025 |
| 2929 | The Traveling Salesman | 15%(37/236) | Oct 1, 2022 |
| 2903 | Joy of Mobile Routing | 30%(78/259) | Sep 6, 2025 |
| 2902 | Intercepting Missiles | 33%(88/260) | May 19, 2025 |
| 2905 | Parallel Computer Simulator | 20%(58/283) | Nov 14, 2022 |
| 2971 | "Switchback" | 19%(61/309) | Mar 12, 2024 |
| 2990 | Board Game | 27%(87/319) | Feb 6, 2025 |
| 2981 | Deal of Fortune | 5%(21/364) | Sep 6, 2025 |
| 2995 | Go Endgame | 25%(110/431) | Mar 13, 2025 |
| 2979 | RSI | 44%(195/439) | Aug 12, 2023 |
| 2930 | Dialing Dice | 11%(55/464) | Sep 1, 2025 |
| 2988 | Function Approximation | 26%(129/490) | Sep 5, 2025 |
| 2925 | Kick-Tipp | 37%(190/513) | May 12, 2025 |
| 2994 | Failing Roads | 40%(210/513) | May 17, 2024 |
| 2953 | Nash Equilibrium | 53%(294/546) | Sep 2, 2025 |
| 2919 | Traveling Queen Problem | 22%(127/556) | May 14, 2020 |
| 2950 | Nuclear Plants | 5%(31/562) | May 12, 2022 |
| 2957 | Planet Hunting | 42%(253/593) | Nov 30, 2024 |
| 2974 | Convex area | 41%(246/595) | Jul 23, 2024 |
| 2900 | Griddy Hobby | 37%(225/600) | Sep 29, 2025 |
| 2936 | Construct the Wall Maze | 8%(58/680) | Nov 30, 2022 |
| 2927 | Constructing Roads | 10%(73/681) | Feb 2, 2024 |
| 2968 | Necklace | 13%(91/699) | Jun 23, 2022 |
| 2933 | Explaining the Stock Market | 24%(179/737) | Sep 28, 2022 |
| 2931 | Procrastination | 29%(230/775) | Sep 24, 2025 |
| 2938 | Economic Phone Calls | 34%(289/842) | Mar 6, 2025 |
| 2997 | IVXLCDM | 25%(221/866) | Jul 23, 2024 |
| 2998 | Hardware | 36%(373/1028) | Nov 19, 2024 |
| 2952 | Election | 44%(458/1033) | Sep 1, 2025 |
| 2913 | Fly Monkey | 13%(145/1068) | Sep 28, 2025 |
| 2906 | Moving Pianos | 36%(392/1069) | Jul 15, 2024 |
| 2920 | Mine Map | 46%(513/1094) | Sep 1, 2025 |
| 2901 | Hotel | 32%(359/1094) | Aug 19, 2025 |
| 2904 | The Mailboxes Manufacturers Problem | 70%(838/1195) | Oct 9, 2025 |
| 2961 | Sylvester construction | 47%(606/1280) | Sep 8, 2025 |
| 2944 | Wild West | 28%(374/1292) | Sep 2, 2025 |
| 2958 | Pizza delivery | 42%(589/1399) | Dec 3, 2024 |
| 2980 | Do it! | 25%(369/1473) | Sep 8, 2025 |
| 2937 | Dihedral Groups | 31%(468/1500) | Sep 1, 2025 |
| 2921 | Knights of the Round Table | 24%(375/1518) | Dec 14, 2024 |
| 2951 | Cake Cutting | 53%(851/1577) | Dec 2, 2024 |
| 2946 | The Warehouse | 27%(456/1684) | May 8, 2025 |
| 2964 | Tourist | 41%(693/1685) | Sep 5, 2025 |
| 2943 | The Cow Doctor | 34%(577/1694) | May 4, 2025 |
| 2928 | A City of Skyscrapers | 25%(429/1708) | May 13, 2025 |
| 2973 | Scrabble | 56%(1098/1949) | Sep 1, 2025 |
| 2966 | A safe way | 19%(380/1972) | Sep 6, 2025 |
| 2978 | Colored stones | 46%(947/2016) | Sep 1, 2025 |
| 2956 | Repeatless Numbers | 40%(870/2145) | Sep 6, 2025 |
| 2939 | Flavius Josephus Reloaded | 37%(821/2210) | Feb 5, 2025 |
| 2977 | Box walking | 27%(675/2450) | Sep 2, 2025 |
| 2934 | Automatic Correction of Misspellings | 29%(756/2606) | Sep 4, 2025 |
| 2915 | Zuma | 7%(201/2615) | Aug 27, 2025 |
| 2907 | Collecting Beepers | 53%(1483/2783) | Sep 1, 2025 |
| 2948 | Martian Mining | 62%(1901/3063) | Sep 2, 2025 |
| 2918 | Tudoku | 53%(1654/3086) | Sep 26, 2025 |
| 2959 | Ball bearings | 56%(1772/3110) | Sep 1, 2025 |
| 2935 | Basic Wall Maze | 44%(1577/3538) | Sep 2, 2025 |
| 2908 | Quantum | 29%(1079/3624) | Sep 4, 2025 |
| 2922 | Honeymoon Hike | 29%(1077/3651) | Jun 10, 2023 |
| 2969 | Divisibility by 15 | 24%(892/3674) | Sep 2, 2025 |
| 2984 | A New Joseph Problem | 23%(922/3954) | Sep 1, 2025 |
| 2989 | All Friends | 29%(1206/4088) | Sep 15, 2025 |
| 2982 | Time Travel | 15%(630/4137) | Sep 8, 2025 |
| 2986 | A Triangle and a Circle | 23%(982/4218) | Sep 28, 2025 |
| 2970 | The lazy programmer | 23%(1023/4284) | Apr 29, 2025 |
| 2917 | Diophantus of Alexandria | 35%(1558/4425) | Jul 17, 2024 |
| 2940 | Wine Trading in Gergovia | 43%(1998/4639) | Sep 11, 2025 |
| 2993 | Emag eht htiw Em Pleh | 63%(2986/4728) | Sep 14, 2025 |
| 2926 | Requirements | 34%(1683/4863) | Feb 2, 2025 |
| 2923 | Relocation | 40%(1972/4913) | May 19, 2025 |
| 2932 | Coneology | 22%(1369/5987) | May 10, 2025 |
| 2960 | S-Nim | 49%(3117/6319) | Sep 18, 2025 |
| 2996 | Help Me with the Game | 59%(3949/6608) | Sep 14, 2025 |
| 2941 | Homogeneous Squares | 46%(3248/7024) | Sep 2, 2025 |
| 2954 | Triangle | 41%(3018/7209) | Oct 9, 2025 |
| 2967 | Triangles | 15%(1205/8017) | May 30, 2025 |
| 2975 | Nim | 46%(4215/9031) | Aug 9, 2025 |
| 2949 | Word Rings | 22%(2065/9176) | Sep 1, 2025 |
| 2947 | Widget Factory | 33%(3179/9487) | Sep 27, 2025 |
| 2945 | Find the Clones | 35%(3501/9797) | Sep 14, 2025 |
| 2912 | Rochambeau | 32%(3325/10103) | Aug 18, 2025 |
| 2924 | Gauß in Elementary School | 44%(4514/10130) | Sep 4, 2025 |
| 2985 | The k-th Largest Group | 32%(3579/11069) | Sep 8, 2025 |
| 2909 | Goldbach's Conjecture | 57%(7270/12552) | Sep 27, 2025 |
| 2991 | Crane | 25%(3304/12835) | Sep 24, 2025 |
| 2914 | Minimum Cut | 42%(5474/12942) | Sep 1, 2025 |
| 2987 | Firing | 30%(4141/13518) | May 20, 2025 |
| 2992 | Divisors | 29%(4248/14448) | Jul 26, 2025 |
| 2983 | Is the Information Reliable? | 30%(5549/18224) | Sep 13, 2025 |
| 2942 | Knights of the Round Table | 32%(5903/18330) | Sep 22, 2025 |
| 2955 | Brackets | 49%(12417/25258) | Sep 20, 2025 |
| 2976 | Dropping tests | 31%(11296/35397) | Oct 8, 2025 |
| 2965 | The Pilots Brothers' refrigerator | 38%(14995/39264) | Sep 21, 2025 |
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