Online JudgeProblem SetAuthorsOnline ContestsUser
Web Board
Home Page
F.A.Qs
Statistical Charts
Problems
Submit Problem
Online Status
Prob.ID:
Register
Update your info
Authors ranklist
Current Contest
Past Contests
Scheduled Contests
Award Contest
User ID:
Password:
  Register

Volume 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Language:
Search: IN   Find problems that your team haven't solved
IDTitleRatio(AC/submit) Date
2884ACM-Telecom12%(25/202)Dec 9, 2025
2863Mission Impossible14%(30/203)Dec 9, 2025
2851No Fold'em Hold'em26%(39/148)Dec 9, 2025
2829How Many Free Dimensions?24%(41/168)Dec 9, 2025
2824Bohemian Rhapsody10%(44/409)Dec 9, 2025
2806Janken Tactics17%(44/249)Dec 9, 2025
2839Convex Hull and Triangle14%(45/319)Dec 9, 2025
2879Vice City16%(48/296)Dec 9, 2025
2885Prince of Persia23%(48/207)Dec 9, 2025
2878IOI Photos19%(50/251)Dec 9, 2025
2811Packing Dominoes17%(52/305)Dec 9, 2025
2814Mobiles13%(64/470)Dec 9, 2025
2801Knockdown15%(73/462)Dec 9, 2025
2835Sunzi's Problem11%(92/787)Dec 1, 2025
2807Bingo!34%(98/285)Nov 24, 2025
2804Jetpack Sniper 3000 Fragfest Extreme37%(101/269)Dec 9, 2025
2852Model Rocket Height46%(104/224)Nov 20, 2025
2877Chambers Ceramic Conundrum42%(107/249)Nov 24, 2025
2865ICPC Strikes Again19%(113/566)Dec 1, 2025
2820TN's Kingdom II - Construction13%(115/880)Dec 9, 2025
2874A Baron Landscape32%(115/355)Nov 24, 2025
2842N-dimension Matching44%(120/268)Dec 9, 2025
2869P-Networks44%(132/295)Nov 24, 2025
2841Navigation Game19%(135/705)Dec 9, 2025
2813Pasting Strings30%(136/449)Dec 9, 2025
2830Max Sequence II12%(139/1071)Dec 9, 2025
2844Sum and Product11%(143/1264)Dec 9, 2025
2873Apply a Cold Compress38%(143/376)Dec 1, 2025
2855Go45%(149/329)Dec 9, 2025
2816Right-Hand Rule22%(149/654)Dec 9, 2025
2808Artificial Strife17%(155/908)Dec 9, 2025
2821TN's Kingdom III - Assassination21%(157/716)Dec 9, 2025
2866Optical Fiber42%(160/376)Dec 9, 2025
2822TN's Kingdom IV - Collapse20%(165/789)Dec 9, 2025
2881Wiping Words38%(178/467)Dec 1, 2025
2896Changing Phone Numbers19%(178/902)Dec 9, 2025
2880Fixing Codes17%(179/1048)Dec 9, 2025
2861Cycle with 6 vertices37%(179/476)Dec 1, 2025
2834Where Are You?25%(198/777)Dec 9, 2025
2875In Defence of a Garden33%(211/622)Dec 1, 2025
2825Perfect Permutation44%(213/481)Dec 9, 2025
2843Cutting Cake26%(227/865)Dec 9, 2025
2854Educational Journey44%(252/564)Dec 1, 2025
2889Unique Solution22%(257/1139)Dec 9, 2025
2856Medals28%(264/914)Nov 24, 2025
2802Plinko43%(266/611)Dec 9, 2025
2848Kindergarten Graduation37%(297/802)Dec 9, 2025
2868Computer DJ24%(300/1249)Dec 9, 2025
2899Fortune at El Dorado24%(320/1301)Dec 9, 2025
2883Points32%(320/972)Nov 24, 2025
2805Pegs35%(322/897)Nov 24, 2025
2819TN's Kingdom I - Establishment17%(342/1991)Dec 9, 2025
2809It's My Derivative32%(349/1072)Dec 9, 2025
2858Crabbles23%(364/1550)Nov 24, 2025
2857Flipping Colors49%(401/804)Nov 24, 2025
2815Context-Free Clock35%(433/1224)Nov 26, 2025
2870Light Up38%(464/1218)Dec 9, 2025
2862Tornado!35%(467/1313)Dec 1, 2025
2898Entertainment18%(508/2809)Dec 9, 2025
2890Matrix Multiplication29%(533/1814)Dec 9, 2025
2859A rectangle23%(549/2303)Nov 24, 2025
2827Auto-Calculation Machine32%(587/1821)Dec 9, 2025
2867Where Are My Genes43%(615/1405)Nov 24, 2025
2850Stacking Cylinders51%(647/1251)Nov 20, 2025
2849brainf*ck37%(666/1778)Nov 24, 2025
2847The Cubic End48%(673/1388)Dec 9, 2025
2846The Bank of Kalii38%(690/1777)Dec 9, 2025
2832How Many Pairs?35%(700/1972)Nov 20, 2025
2882Food Cubes24%(706/2875)Dec 1, 2025
2803Defining Moment45%(776/1715)Dec 9, 2025
2831Can We Build This One?35%(827/2299)Nov 24, 2025
2837Silver Matrix60%(868/1430)Dec 1, 2025
2818Making Change52%(883/1690)Nov 20, 2025
2810Take Your Vitamins28%(897/3120)Dec 9, 2025
2838Graph Connectivity26%(958/3644)Nov 26, 2025
2812Extrusion56%(965/1713)Nov 24, 2025
2872Spelling Be31%(972/3047)Dec 1, 2025
2897Dramatic Multiplications42%(1062/2527)Dec 9, 2025
2836Rectangular Covering28%(1162/4063)Dec 9, 2025
2860Block game with the Little Prince65%(1343/2051)Nov 20, 2025
2817WordStack37%(1441/3843)Dec 9, 2025
2893M × N Puzzle26%(1669/6188)Dec 7, 2025
2895Best SMS to Type42%(1692/3979)Nov 20, 2025
2894Ancient Keyboard55%(1763/3195)Nov 24, 2025
2800Joseph's Problem27%(2274/8349)Nov 26, 2025
2887Big String22%(2291/9993)Dec 14, 2025
2876Cantoring Along53%(2392/4513)Dec 9, 2025
2888Magic Bracelet30%(2476/8194)Dec 9, 2025
2826An Easy Problem?!15%(3358/21527)Dec 9, 2025
28450100000130%(3529/11395)Nov 26, 2025
2864Pascal Library43%(3795/8667)Dec 14, 2025
2853Sequence Sum Possibilities65%(3999/6107)Nov 20, 2025
2892Tunnel Warfare40%(4753/11634)Dec 6, 2025
2871A Simple Question of Chemistry65%(4872/7402)Nov 20, 2025
2833The Average29%(5739/19724)Dec 13, 2025
2886Who Gets the Most Candies?30%(6039/19591)Dec 9, 2025
2840Big Clock62%(6776/10841)Nov 20, 2025
2891Strange Way to Express Integers31%(9068/28354)Dec 9, 2025
2828Buy Tickets45%(14807/32361)Dec 9, 2025
2823Sliding Window26%(29450/109600)Dec 9, 2025

Home Page   Go Back  To top


All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator