Volume 21

Online Judge

Problem Set

Authors

Online Contests

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F.A.Qs
Statistical Charts

Current Contest
Past Contests
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Award Contest

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ID	Title	Ratio(AC/submit)	Date
3000	Frogger	28%(335/1168)	2024-11-7
3001	Gallup	46%(275/588)	2024-8-11
3002	Jackpot	33%(1539/4638)	2024-11-2
3003	Spiderman’s workout	38%(762/1977)	2024-8-18
3004	Subway planning	28%(428/1525)	2024-11-9
3005	Exploding CPU	42%(231/541)	2024-9-12
3006	Dirichlet's Theorem on Arithmetic Progressions	48%(11545/23575)	2024-11-18
3007	Organize Your Train part II	28%(2708/9646)	2024-9-17
3008	Hexerpents of Hexwamp	30%(102/334)	2024-6-30
3009	Curling 2.0	40%(17492/42785)	2024-11-19
3010	The Genome Database of All Space Life	29%(258/875)	2024-7-13
3011	Secrets in Shadows	22%(87/395)	2021-11-7
3012	A Number from Yanghui Triangle	41%(997/2402)	2024-7-18
3013	Big Christmas Tree	21%(6599/30756)	2024-11-16
3014	Cake Pieces and Plates	31%(2200/6925)	2022-10-26
3015	Expected Difference	26%(395/1493)	2021-8-9
3016	K-Monotonic	34%(506/1458)	2024-10-6
3017	Cut the Sequence	30%(4814/15723)	2024-10-3
3018	Giftbox	28%(1143/4044)	2024-10-29
3019	Image Rotation	29%(38/128)	2020-7-30
3020	Antenna Placement	48%(6626/13673)	2024-10-22
3021	e-Coins	48%(430/885)	2024-10-31
3022	The Uxuhul Voting System	45%(177/388)	2024-7-25
3023	Submarines	42%(173/409)	2024-9-24
3024	The Gossiping System	36%(136/374)	2024-11-10
3025	Rings	34%(406/1172)	2024-8-14
3026	Borg Maze	31%(7840/25256)	2024-11-20
3027	Base equality	60%(547/908)	2022-9-4
3028	Shoot-out	29%(315/1066)	2022-6-29
3029	Tour Guide	35%(340/946)	2024-10-28
3030	Nasty Hacks	69%(10031/14518)	2024-10-12
3031	Jezzball	34%(39/113)	2021-6-7
3032	Card Trick	68%(3534/5179)	2024-11-10
3033	Traveling Salesman	37%(170/453)	2024-7-14
3034	Whac-a-Mole	29%(1282/4302)	2024-11-10
3035	Random Walking	31%(276/879)	2024-8-17
3036	Honeycomb Walk	66%(1773/2667)	2024-9-23
3037	Skiing	25%(1829/7198)	2024-7-20
3038	Flying Right	34%(821/2414)	2024-11-11
3039	Close Encounter	36%(1335/3616)	2024-11-20
3040	Allowance	42%(5201/12289)	2024-8-19
3041	Asteroids	53%(18216/34346)	2024-11-14
3042	Grazing on the Run	40%(1193/2916)	2024-8-14
3043	Walk the Talk	41%(269/648)	2022-9-3
3044	City Skyline	43%(1694/3854)	2024-5-4
3045	Cow Acrobats	36%(4070/11205)	2024-11-21
3046	Ant Counting	37%(4443/11957)	2024-10-21
3047	Bovine Birthday	44%(1107/2509)	2024-11-11
3048	Max Factor	36%(3813/10436)	2024-11-11
3049	Securing the Barn	63%(1522/2414)	2024-11-11
3050	Hopscotch	62%(5926/9456)	2024-11-21
3051	Satellite Photographs	46%(3050/6623)	2024-11-14
3052	Geodes	30%(48/158)	2024-9-27
3053	Bowling	26%(240/894)	2024-6-3
3054	High Spies	26%(37/140)	2020-9-9
3055	Digital Friends	46%(546/1182)	2022-6-12
3056	The Bavarian Beer Party	37%(485/1280)	2024-11-2
3057	Evacuation	25%(1560/6019)	2024-7-31
3058	Decompression	48%(293/610)	2024-7-13
3059	Rummikub	35%(78/222)	2024-7-15
3060	Make it Manhattan	40%(475/1178)	2024-8-12
3061	Subsequence	37%(22352/58963)	2024-11-21
3062	Celebrity jeopardy	56%(9726/17319)	2024-9-16
3063	Sherlock Holmes	29%(257/883)	2024-11-7
3064	Payment System	37%(69/182)	2024-4-26
3065	Stargates	22%(554/2454)	2024-8-10
3066	Maximum	57%(546/945)	2024-9-21
3067	Japan	26%(11052/41729)	2024-11-18
3068	"Shortest" pair of paths	49%(1107/2223)	2024-9-23
3069	Saruman's Army	48%(14031/28929)	2024-11-14
3070	Fibonacci	64%(21673/33472)	2024-11-20
3071	Football	43%(4581/10647)	2024-11-15
3072	Robot	33%(612/1810)	2024-5-31
3073	Spam	56%(623/1110)	2024-7-15
3074	Sudoku	34%(5148/14811)	2024-11-16
3075	Tic-Tac-Toe	40%(918/2277)	2024-7-21
3076	Sudoku	45%(3077/6710)	2024-10-17
3077	Rounders	64%(5319/8256)	2024-11-5
3078	Q	68%(1278/1868)	2024-3-27
3079	Enigmatologically Cruciverbalistic	19%(125/656)	2024-6-14
3080	Blue Jeans	43%(12114/27619)	2024-9-23
3081	Core Wars	31%(68/219)	2024-4-2
3082	'Roid Rage	30%(299/977)	2024-7-15
3083	Children of the Candy Corn	42%(7850/18615)	2024-11-18
3084	Panic Room	52%(1218/2342)	2024-8-10
3085	Quick Change	70%(4553/6456)	2024-11-12
3086	Triangular Sums	69%(5655/8092)	2024-11-12
3087	Shuffle'm Up	44%(11548/25829)	2024-11-21
3088	Push Botton Lock	62%(1060/1685)	2024-8-1
3089	Sign Message Formatting	20%(22/108)	2024-3-26
3090	Visible Lattice Points	58%(7364/12544)	2024-11-16
3091	Triangular N-Queens Problem	43%(396/908)	2024-8-11
3092	Non-divisible 2-3 Power Sums	46%(524/1123)	2024-3-26
3093	Margaritas on the River Walk	37%(1260/3325)	2024-10-11
3094	Quicksum	66%(14406/21683)	2024-11-21
3095	Linear Pachinko	69%(1193/1706)	2024-7-17
3096	Surprising Strings	59%(5710/9667)	2024-10-16
3097	Falling Ice	26%(108/412)	2024-6-14
3098	Frugal Search	46%(492/1069)	2022-9-7
3099	Go Go Gorelians	57%(536/934)	2024-6-25

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