Sphere Online Judge

Problem Solvers' Hall of Fame

RANK CC NAME CLASSICAL CHALLENGE SCORE
1 CN [Retired] Blue.Mary 1422.3 (2244) 19.9 (4) 1442.2   
2 RU Oleg Chernyakhovskiy 970.3 (1795) 4.3 (1) 974.6   
3 PL :D 873.0 (1493) 11.0 (2) 884.0   
4 CA Jacob Plachta 739.8 (1420) 3.8 (0) 743.6   
5 HU Robert Gerbicz 513.5 (1214) 108.2 (23) 621.7   
6 CN Lox 552.9 (802) 3.7 (0) 556.6   
7 XX Mitch Schwartz 282.7 (604) 272.9 (78) 555.6   
8 HR Ivan Kataniś 435.2 (964) 1.3 (0) 436.5   
9 GB Luke Pebody 428.9 (1082) 7.3 (2) 436.2   
10 PL ebd 424.8 (1183) 1.5 (0) 426.2   
11 HR Stjepan Glavina 423.1 (943) 0.7 (0) 423.8   
12 CN shihanyuan 412.9 (655) 0.0 (0) 412.9   
13 IN SWOOSH!!! 362.1 (988) 4.7 (0) 366.8   
14 CN Balrog 346.7 (487) 2.7 (0) 349.3   
15 CA Andy Y.F. Huang 341.2 (936) 1.1 (0) 342.3   
16 UA Anton Lunyov 327.3 (688) 9.1 (0) 336.4   
17 US Eigenray 317.4 (804) 0.0 (0) 317.4   
18 PL Damian Straszak 299.0 (584) 1.3 (0) 300.3   
19 ID (Tjandra Satria Gunawan)(曾毅昆) 261.0 (585) 36.0 (2) 297.0   
20 CN Eternal Answer 294.4 (457) 0.9 (0) 295.2   
21 IN Ravi Kiran 285.5 (910) 3.1 (0) 288.5   
21 CU Shaka Shadows 287.2 (679) 1.3 (0) 288.5   
23 UA Ehor Nechiporenko 270.8 (529) 13.9 (1) 284.7   
24 XX Tooru Ichii 272.6 (465) 5.5 (0) 278.1   
25 BY Gennady Korotkevich 255.3 (709) 14.5 (0) 269.8   
26 XX coup de grace 267.9 (460) 0.0 (0) 267.9   
27 TR Mehmet Inal 239.6 (712) 13.8 (0) 253.4   
28 HK fitcat 243.7 (769) 8.5 (0) 252.2   
29 HR Luka Kalinovcic 249.1 (560) 1.6 (0) 250.7   
30 CN Jialin Ouyang 248.1 (1090) 0.0 (0) 248.1   
31 XX suhang 247.4 (405) 0.0 (0) 247.4   
32 PL Bartek Dudek 241.8 (462) 0.9 (0) 242.8   
33 CN sevenkplus 233.4 (348) 7.4 (1) 240.8   
34 CN Xunie J 240.0 (321) 0.0 (0) 240.0   
35 PT Miguel Oliveira 233.0 (704) 1.3 (0) 234.3   
36 JP Min_25 224.0 (166) 10.0 (2) 234.0   
37 CU Eddy R. Morales Perez 232.9 (689) 0.4 (0) 233.3   
38 CN ymGXX 226.5 (508) 2.4 (0) 228.9   
39 ID Andy William 219.3 (627) 5.7 (0) 225.0   
40 US Michael Egorov 216.5 (777) 7.8 (0) 224.3   
41 BR Rodolfo Riyoei Goya [USJT] 215.2 (876) 5.3 (0) 220.5   
42 IN Pranay 203.2 (826) 13.2 (0) 216.4   
43 DE numerix 177.5 (613) 35.2 (2) 212.8   
44 FR legrand 171.3 (635) 37.8 (1) 209.1   
45 CN Xusha J 208.5 (282) 0.0 (0) 208.5   
46 PL Dominik Kempa 199.7 (760) 0.0 (0) 199.7   
47 CN shangjingbo 198.4 (396) 0.0 (0) 198.4   
48 VN RR 193.7 (610) 4.4 (0) 198.1   
49 DE Adrian Kuegel 173.1 (510) 20.3 (2) 193.4   
50 PL Jaros≥aw Gomu≥ka 188.9 (655) 2.1 (0) 191.0   
51 CN zhj 184.6 (346) 1.9 (0) 186.5   
52 IN Suraj D 185.3 (678) 0.8 (0) 186.2   
53 RU Ruslan Sennov 163.0 (657) 21.0 (2) 184.0   
54 HR Gustav Matula 182.1 (393) 0.5 (0) 182.6   
55 XX voozism 175.8 (788) 6.7 (0) 182.5   
56 PL Wojciech Bukowicki 181.6 (746) 0.8 (0) 182.4   
57 IN INSOMNIA 179.7 (657) 1.0 (0) 180.7   
58 CU Jose Carlos Gonzalez Fernandez[Hakuna Matata] 175.2 (595) 3.9 (0) 179.2   
58 JP YOSHIDA, Yuichi 167.1 (419) 12.1 (2) 179.2   
60 BR Carlos Eduardo Rodrigues Alves [USJT] 173.4 (447) 4.5 (0) 177.9   
61 UA Spooky 170.7 (726) 5.5 (0) 176.1   
62 IN ≠Surendra 162.7 (607) 10.8 (0) 173.5   
63 CN Xuzheng J 173.3 (288) 0.0 (0) 173.3   
64 IN Varun Jalan 171.8 (601) 0.3 (0) 172.2   
65 CN Sun Zheng 169.9 (266) 0.2 (0) 170.1   
66 CN =====e^(iπ)+1=0===== 167.7 (316) 1.8 (0) 169.5   
67 CN Stilwell 165.0 (209) 4.2 (0) 169.2   
68 DE Damir Ferizovic 163.0 (563) 2.1 (0) 165.1   
69 BR Geraldo Avelino [IME-RJ] 164.5 (783) 0.0 (0) 164.5   
70 IN Gaurav Agarwal 157.1 (640) 5.8 (1) 162.8   
71 CN Xusuo J 161.4 (269) 0.0 (0) 161.4   
72 IN Pratham Khandelwal 161.0 (493) 0.0 (0) 161.0   
73 HR Buda IM (retired) 159.4 (385) 0.8 (0) 160.2   
74 ID Stacia Edina Johanna 158.5 (311) 0.2 (0) 158.8   
75 NZ Stephen Merriman 147.8 (537) 11.0 (1) 158.7   
76 XX Neal Zane 157.7 (457) 0.2 (0) 157.8   
77 ID Ivan Hendrajaya 157.7 (608) 0.0 (0) 157.7   
77 EG Islam Diaa 157.5 (476) 0.2 (0) 157.7   
79 XX 157.2 (459) 0.1 (0) 157.3   
79 IN Viplov Jain 156.0 (297) 1.2 (0) 157.3   
81 IN suhash 151.4 (666) 5.3 (0) 156.7   
82 CN Hunters Den 155.7 (216) 0.2 (0) 155.9   
83 JP fortune cookie 152.9 (501) 1.1 (0) 154.0   
84 CH Alfonso2 Peterssen 145.5 (478) 7.8 (0) 153.2   
85 CN Hellfire Temple 149.6 (180) 2.4 (0) 152.0   
86 IN abhijith reddy d 145.1 (591) 5.9 (0) 150.9   
87 AU darkdieuguerre 147.2 (562) 3.5 (1) 150.7   
88 NL amaroq 147.7 (549) 1.8 (0) 149.4   
89 IN .:: Pratik ::. 140.6 (509) 4.7 (0) 145.2   
90 HU NoszŠly Csaba 139.1 (549) 2.9 (0) 142.0   
91 CN Yang Yi 135.9 (427) 5.1 (0) 141.0   
92 HR s.max 140.6 (235) 0.3 (0) 140.9   
93 CN 膜拜叉姐神犇 140.8 (347) 0.0 (0) 140.8   
94 IN [Lakshman] 131.2 (413) 9.0 (0) 140.2   
95 CN a14583465 139.9 (187) 0.0 (0) 139.9   
96 PL Tywan 130.8 (495) 8.5 (0) 139.3   
97 CN QiZiChao 134.0 (228) 4.7 (1) 138.6   
98 RU Andrey Maksimenko 127.0 (631) 10.4 (1) 137.5   
99 HR Marin Tomic 137.4 (329) 0.0 (0) 137.4   
100 IN Ajay Somani 122.8 (495) 14.6 (0) 137.3   

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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