Sphere Online Judge

Problem Solvers' Hall of Fame

RANK CC NAME CLASSICAL CHALLENGE SCORE
1 CN [Retired] Blue.Mary 1426.3 (2225) 22.0 (5) 1448.3   
2 RU Oleg Chernyakhovskiy 984.5 (1795) 4.4 (1) 988.9   
3 PL :D 885.8 (1490) 11.0 (2) 896.8   
4 CA Jacob Plachta 767.7 (1397) 3.8 (0) 771.5   
5 HU Robert Gerbicz 509.8 (1204) 107.5 (23) 617.2   
6 CN Lox 560.3 (802) 3.7 (0) 564.0   
7 XX Mitch Schwartz 276.2 (583) 285.3 (84) 561.5   
8 PL ebd 437.2 (1182) 1.5 (0) 438.7   
9 GB Luke Pebody 430.8 (1070) 7.3 (2) 438.1   
10 HR Ivan Kataniś 419.2 (940) 1.3 (0) 420.5   
11 HR Stjepan Glavina 415.8 (928) 0.7 (0) 416.6   
12 IN SWOOSH!!! 379.8 (988) 4.7 (0) 384.5   
13 CA Andy Y.F. Huang 355.4 (933) 1.1 (0) 356.5   
14 CN Balrog 351.0 (487) 2.7 (0) 353.7   
15 UA Anton Lunyov 333.6 (688) 9.1 (0) 342.7   
16 US Eigenray 321.9 (804) 0.0 (0) 321.9   
17 PL Damian Straszak 305.9 (584) 1.3 (0) 307.2   
18 ID (Tjandra Satria Gunawan)(曾毅昆) 266.1 (564) 36.1 (2) 302.2   
19 CN Eternal Answer 299.2 (457) 0.9 (0) 300.1   
20 IN Ravi Kiran 292.8 (911) 3.1 (0) 295.9   
21 UA Ehor Nechiporenko 280.3 (529) 14.0 (1) 294.2   
22 CU Shaka Shadows 289.2 (675) 1.3 (0) 290.6   
23 XX Tooru Ichii 278.8 (465) 5.6 (0) 284.4   
24 BY Gennady Korotkevich 257.8 (708) 15.3 (0) 273.0   
25 XX coup de grace 271.6 (460) 0.0 (0) 271.6   
26 HK fitcat 248.6 (745) 8.6 (0) 257.2   
27 TR Mehmet Inal 242.6 (697) 12.9 (0) 255.5   
28 HR Luka Kalinovcic 253.4 (560) 1.6 (0) 255.0   
29 XX suhang 251.9 (405) 0.0 (0) 251.9   
30 CN Xunie J 245.6 (321) 0.0 (0) 245.6   
31 CN sevenkplus 236.7 (348) 7.5 (1) 244.2   
32 PT Miguel Oliveira 241.3 (701) 1.3 (0) 242.6   
33 PL Bartek Dudek 239.6 (457) 0.9 (0) 240.6   
34 CN Jialin Ouyang 235.7 (1031) 0.0 (0) 235.7   
35 IN Pranay 220.1 (828) 13.3 (0) 233.4   
36 CN ymGXX 230.1 (508) 2.4 (0) 232.5   
37 US Michael Egorov 221.4 (766) 7.8 (0) 229.2   
38 BR Rodolfo Riyoei Goya [USJT] 223.4 (869) 5.3 (0) 228.7   
39 DE numerix 183.5 (614) 37.3 (3) 220.9   
40 CN Xusha J 213.5 (282) 0.0 (0) 213.5   
41 CU Eddy R. Morales Perez 209.5 (651) 0.4 (0) 209.9   
42 ID Andy William 201.4 (595) 5.7 (0) 207.1   
43 PL Dominik Kempa 203.5 (758) 0.0 (0) 203.5   
44 VN RR 197.1 (610) 4.4 (0) 201.5   
45 CN shangjingbo 201.4 (396) 0.0 (0) 201.4   
46 FR legrand 161.6 (590) 36.9 (1) 198.5   
47 DE Adrian Kuegel 175.4 (510) 20.9 (2) 196.3   
48 PL Jaros≥aw Gomu≥ka 192.2 (655) 2.1 (0) 194.3   
49 IN Suraj D 191.3 (678) 0.9 (0) 192.2   
50 XX voozism 183.7 (789) 6.8 (0) 190.4   
51 RU Ruslan Sennov 166.3 (657) 21.0 (2) 187.4   
51 CN zhj 185.5 (344) 1.9 (0) 187.4   
53 PL Wojciech Bukowicki 185.7 (746) 0.8 (0) 186.5   
54 HR Gustav Matula 185.3 (392) 0.5 (0) 185.8   
55 IN INSOMNIA 183.6 (657) 1.0 (0) 184.6   
56 IN ≠Surendra 172.5 (608) 10.8 (0) 183.3   
57 JP YOSHIDA, Yuichi 169.2 (419) 12.1 (2) 181.2   
58 UA Spooky 175.1 (726) 5.6 (0) 180.7   
59 BR Carlos Eduardo Rodrigues Alves [USJT] 176.1 (447) 4.5 (0) 180.6   
60 CU Jose Carlos Gonzalez Fernandez[Hakuna Matata] 175.8 (592) 4.0 (0) 179.8   
61 CN Xuzheng J 177.6 (288) 0.0 (0) 177.6   
62 IN Varun Jalan 175.2 (601) 0.3 (0) 175.6   
63 CN =====e^(iπ)+1=0===== 171.3 (316) 1.8 (0) 173.1   
64 CN Sun Zheng 172.3 (266) 0.2 (0) 172.5   
65 DE Damir Ferizovic 166.4 (563) 2.1 (0) 168.5   
66 BR Geraldo Avelino [IME-RJ] 168.3 (776) 0.0 (0) 168.3   
67 IN Gaurav Agarwal 160.0 (640) 5.8 (1) 165.8   
68 CN Xusuo J 165.5 (269) 0.0 (0) 165.5   
69 HR Buda IM (retired) 164.1 (385) 0.8 (0) 164.8   
70 IN Pratham Khandelwal 164.6 (493) 0.0 (0) 164.6   
71 ID Ivan Hendrajaya 163.2 (608) 0.0 (0) 163.2   
72 XX Neal Zane 162.1 (458) 0.2 (0) 162.2   
73 IN suhash 156.0 (665) 5.3 (0) 161.3   
74 EG Islam Diaa 160.9 (476) 0.2 (0) 161.1   
75 NZ Stephen Merriman 150.0 (538) 11.0 (1) 161.0   
76 XX 159.1 (459) 0.1 (0) 159.2   
77 AU darkdieuguerre 155.4 (541) 3.5 (1) 158.9   
78 JP fortune cookie 155.9 (499) 1.1 (0) 156.9   
79 CH Alfonso2 Peterssen 148.3 (478) 7.8 (0) 156.0   
80 CN Hellfire Temple 152.7 (180) 2.4 (0) 155.1   
81 IN abhijith reddy d 148.8 (592) 5.9 (0) 154.8   
82 CN Hunters Den 153.5 (211) 0.2 (0) 153.7   
83 JP Min_25 145.4 (106) 8.2 (2) 153.6   
84 NL amaroq 151.0 (549) 1.8 (0) 152.7   
85 IN .:: Pratik ::. 144.0 (510) 4.7 (0) 148.7   
86 HU NoszŠly Csaba 144.8 (549) 2.9 (0) 147.7   
87 RU Andrey Maksimenko 133.6 (632) 11.3 (1) 144.9   
88 HR s.max 142.5 (235) 0.3 (0) 142.8   
89 CN Yang Yi 137.6 (427) 5.1 (0) 142.7   
90 CN 膜拜叉姐神犇 142.5 (348) 0.0 (0) 142.5   
91 CN a14583465 142.1 (187) 0.0 (0) 142.1   
92 HR Marin Tomic 140.7 (330) 0.0 (0) 140.7   
93 PL Tywan 132.1 (489) 8.5 (0) 140.6   
94 CN QiZiChao 135.6 (228) 4.7 (1) 140.2   
95 IN Ajay Somani 124.9 (495) 14.6 (0) 139.5   
96 XX Tony Beta Lambda 130.6 (211) 6.8 (0) 137.4   
97 IN Anshuman Singh 131.3 (503) 5.5 (1) 136.9   
98 IN RAJDEEP GUPTA 136.6 (462) 0.1 (0) 136.7   
99 TH Thotsaphon Thanatipanonda 132.8 (610) 0.0 (0) 132.8   
100 GB Geoff Scrace 117.9 (525) 14.4 (0) 132.3   

These are the official SPOJ standings. Please note that the formulae used for calculating the scores are currently evolving. At present points are awarded to each user as follows:

  • for solving classical problem p: 80/(40+number_of_people_who_have_solved p) points
  • for a top score in any challenge: 3 points,
  • for any lower score in a challenge: (user's_score relative_to_the top_score) points.

Numbers given in brackets beside the scores correspond to the number of solved classical problems and the number of challenges for which the user's best score is also the top score, respectively.

All feedback concerning the methods used for generating statistics is most welcome. Please post remarks in the forum, or mail them directly to our contact address.

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