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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 |
| 3900 | The Robbery | 14%(471/3156) | Oct 20, 2025 |
| 3901 | The Computer Game | 31%(44/140) | Oct 19, 2025 |
| 3902 | The Bad Number | 39%(136/341) | Oct 20, 2025 |
| 3903 | Stock Exchange | 34%(5514/15885) | Oct 19, 2025 |
| 3904 | Sky Code | 33%(2123/6413) | Sep 13, 2025 |
| 3905 | Perfect Election | 37%(762/2038) | Oct 20, 2025 |
| 3906 | Lucky cities | 16%(103/642) | Oct 23, 2025 |
| 3907 | Build Your Home | 52%(835/1578) | Sep 11, 2025 |
| 3908 | Quick answer | 30%(318/1054) | Oct 23, 2025 |
| 3909 | Lucky numbers | 38%(542/1407) | Oct 18, 2025 |
| 3910 | GCD Determinant | 46%(327/703) | Oct 17, 2025 |
| 3911 | Internet Service Providers | 46%(358/762) | Sep 4, 2025 |
| 3912 | Up and Down | 19%(124/647) | Oct 21, 2025 |
| 3913 | Gnome Sequencing | 64%(1962/3032) | Sep 1, 2025 |
| 3914 | DuLL | 66%(230/347) | Oct 18, 2025 |
| 3915 | Black Vienna | 36%(111/304) | Oct 19, 2025 |
| 3916 | Duplicate Removal | 64%(1602/2468) | Oct 20, 2025 |
| 3917 | Rock, Paper, Scissors | 61%(1135/1847) | Oct 18, 2025 |
| 3918 | A to Z Numerals | 24%(16/66) | Oct 18, 2025 |
| 3919 | Cell Towers | 49%(67/135) | Oct 21, 2025 |
| 3920 | RIPOFF | 60%(203/336) | Oct 21, 2025 |
| 3921 | Destroying the bus stations | 32%(894/2760) | Oct 17, 2025 |
| 3922 | A simple stone game | 47%(396/842) | Oct 21, 2025 |
| 3923 | Ugly Windows | 31%(553/1742) | Oct 15, 2025 |
| 3924 | Tornado | 27%(94/336) | Oct 18, 2025 |
| 3925 | Minimal Ratio Tree | 38%(719/1851) | Sep 2, 2025 |
| 3926 | Parade | 22%(433/1913) | Oct 17, 2025 |
| 3927 | Priest John's Busiest Day | 34%(336/986) | Oct 20, 2025 |
| 3928 | Ping pong | 31%(1739/5485) | Oct 18, 2025 |
| 3929 | Timer | 27%(93/344) | Sep 6, 2025 |
| 3930 | Elevator | 23%(58/252) | Oct 19, 2025 |
| 3931 | Classmates | 39%(54/138) | Jul 18, 2024 |
| 3932 | Matches | 11%(35/311) | Oct 20, 2025 |
| 3933 | New Liquid | 53%(35/66) | Oct 18, 2025 |
| 3934 | Queue | 42%(333/791) | Nov 24, 2024 |
| 3935 | Striking Ball | 18%(25/137) | Oct 18, 2025 |
| 3937 | Parlay Wagering | 14%(26/184) | Sep 14, 2024 |
| 3939 | Extended Manhattan Distance | 11%(12/106) | Oct 18, 2025 |
| 3940 | Grey Area | 49%(155/316) | Sep 17, 2024 |
| 3941 | Expected Allowance | 50%(138/274) | Oct 18, 2025 |
| 3942 | Stopped Watches | 46%(58/124) | Oct 18, 2025 |
| 3943 | Digits on the Floor | 40%(37/92) | Sep 21, 2021 |
| 3944 | Spherical Mirrors | 49%(71/144) | Dec 23, 2024 |
| 3945 | Traveling Cube | 50%(49/98) | Oct 18, 2025 |
| 3946 | Search of Concatenated Strings | 25%(69/266) | Oct 21, 2025 |
| 3947 | Top Spinning | 37%(22/58) | Oct 18, 2025 |
| 3948 | Common Polynomial | 25%(21/84) | Oct 20, 2025 |
| 3949 | Zigzag | 22%(20/89) | Oct 18, 2025 |
| 3959 | Alignment of Code | 33%(463/1388) | Oct 17, 2025 |
| 3960 | Binary Operation | 28%(69/246) | Oct 23, 2025 |
| 3961 | Cactus Revolution | 11%(29/247) | Oct 20, 2025 |
| 3962 | Dome of Circus | 21%(215/1011) | Oct 18, 2025 |
| 3963 | Evacuation Plan | 22%(234/1060) | Oct 21, 2025 |
| 3964 | Factorial Simplification | 30%(96/313) | Oct 19, 2025 |
| 3966 | Hands of Poker | 24%(51/209) | Oct 19, 2025 |
| 3967 | Ideal Path | 13%(414/3152) | May 25, 2025 |
| 3968 | Jungle Outpost | 19%(268/1409) | Sep 1, 2025 |
| 3969 | K-Graph Oddity | 14%(118/815) | Oct 21, 2025 |
| 3970 | Party | 37%(2894/7769) | Oct 26, 2025 |
| 3971 | Scales | 51%(274/536) | Oct 19, 2025 |
| 3972 | BF | 26%(71/270) | Oct 26, 2025 |
| 3973 | Highlights | 44%(66/147) | Oct 23, 2025 |
| 3974 | Palindrome | 37%(10027/26489) | Oct 24, 2025 |
| 3975 | Shortcut | 26%(72/275) | Oct 21, 2025 |
| 3976 | Kings | 31%(47/151) | Oct 18, 2025 |
| 3977 | Subset | 19%(2124/10682) | Oct 26, 2025 |
| 3978 | Primes | 32%(3080/9518) | Oct 20, 2025 |
| 3979 | 分数加减法 | 30%(6177/20454) | Oct 20, 2025 |
| 3980 | 取模运算 | 55%(9552/17126) | Oct 19, 2025 |
| 3981 | 字符串替换 | 41%(7783/18539) | Oct 26, 2025 |
| 3982 | 序列 | 44%(4340/9725) | Oct 19, 2025 |
| 3983 | 快算24 | 59%(3462/5790) | Oct 23, 2025 |
| 3984 | 迷宫问题 | 47%(38899/81519) | Oct 26, 2025 |
| 3985 | Knight's Problem | 17%(308/1736) | Oct 20, 2025 |
| 3986 | Math teacher's homework | 50%(252/504) | Oct 18, 2025 |
| 3987 | Computer Virus on Planet Pandora | 18%(402/2124) | Oct 20, 2025 |
| 3988 | Selecting courses | 26%(454/1726) | Oct 20, 2025 |
| 3989 | A hard Aoshu Problem | 44%(308/689) | Dec 24, 2024 |
| 3990 | Fermat Point in Quadrangle | 23%(218/938) | Dec 24, 2024 |
| 3991 | Seinfeld | 45%(837/1855) | Oct 20, 2025 |
| 3992 | Tiles of Tetris, NOT! | 29%(307/1035) | Dec 24, 2024 |
| 3993 | Not So Flat After All | 37%(288/769) | Oct 19, 2025 |
| 3994 | Probability One | 67%(1412/2081) | Sep 1, 2025 |
| 3995 | Hop — Don’t Walk! | 17%(170/972) | Oct 19, 2025 |
| 3996 | Air Strike | 31%(215/680) | Oct 21, 2025 |
| 3997 | Stock Chase | 26%(243/933) | Oct 19, 2025 |
| 3998 | Land Division | 36%(105/291) | Oct 21, 2025 |
| 3999 | Kind of a Blur | 19%(192/979) | Oct 23, 2025 |
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