Sphere Online Judge

Problem Solvers' Hall of Fame

RANK CC NAME CLASSICAL CHALLENGE SCORE
1 CN [Retired] Blue.Mary 1416.6 (2244) 19.9 (4) 1436.5   
2 RU Oleg Chernyakhovskiy 967.4 (1795) 4.3 (1) 971.7   
3 PL :D 869.4 (1493) 11.0 (2) 880.3   
4 CA Jacob Plachta 737.7 (1424) 3.8 (0) 741.4   
5 HU Robert Gerbicz 510.1 (1214) 108.9 (23) 618.9   
6 CN Lox 551.6 (802) 3.7 (0) 555.3   
7 XX Mitch Schwartz 279.3 (604) 273.6 (78) 552.8   
8 HR Ivan Kataniś 433.6 (964) 1.3 (0) 434.8   
9 GB Luke Pebody 426.6 (1082) 7.3 (2) 433.9   
10 CN shihanyuan 423.3 (690) 0.0 (0) 423.3   
11 PL ebd 421.7 (1183) 1.5 (0) 423.2   
12 HR Stjepan Glavina 421.6 (943) 0.7 (0) 422.2   
13 IN SWOOSH!!! 361.6 (990) 4.7 (0) 366.3   
14 CN Balrog 345.8 (487) 2.7 (0) 348.5   
15 CA Andy Y.F. Huang 337.7 (936) 1.1 (0) 338.8   
16 UA Anton Lunyov 325.9 (688) 9.1 (0) 335.0   
17 US Eigenray 316.4 (804) 0.0 (0) 316.4   
18 PL Damian Straszak 296.8 (584) 1.3 (0) 298.1   
19 ID (Tjandra Satria Gunawan)(曾毅昆) 258.6 (586) 36.0 (2) 294.6   
20 CN Eternal Answer 293.3 (457) 0.9 (0) 294.1   
21 IN Ravi Kiran 283.9 (911) 3.1 (0) 287.0   
22 CU Shaka Shadows 285.6 (679) 1.3 (0) 286.9   
23 UA Ehor Nechiporenko 268.7 (529) 13.9 (1) 282.7   
24 XX Tooru Ichii 271.2 (465) 5.5 (0) 276.7   
25 BY Gennady Korotkevich 254.4 (709) 14.5 (0) 268.9   
26 XX coup de grace 267.0 (460) 0.0 (0) 267.0   
27 HK fitcat 248.1 (779) 8.5 (0) 256.6   
28 TR Mehmet Inal 239.3 (714) 15.7 (0) 255.0   
29 HR Luka Kalinovcic 248.1 (560) 1.6 (0) 249.7   
30 XX suhang 246.3 (405) 0.0 (0) 246.3   
31 CN Jialin Ouyang 245.5 (1090) 0.0 (0) 245.5   
32 PL Bartek Dudek 243.3 (466) 0.9 (0) 244.2   
33 CN sevenkplus 232.8 (348) 7.4 (1) 240.3   
34 CN Xunie J 239.0 (321) 0.0 (0) 239.0   
35 JP Min_25 227.9 (169) 10.0 (2) 237.9   
36 PT Miguel Oliveira 230.9 (704) 1.3 (0) 232.2   
37 CU Eddy R. Morales Perez 230.7 (689) 0.4 (0) 231.1   
38 CN ymGXX 225.6 (508) 2.4 (0) 228.0   
39 ID Andy William 218.3 (628) 5.7 (0) 224.0   
40 BR Rodolfo Riyoei Goya [USJT] 216.9 (882) 5.3 (0) 222.2   
41 US Michael Egorov 214.1 (777) 7.8 (0) 221.9   
42 IN Pranay 200.2 (826) 13.2 (0) 213.4   
43 DE numerix 176.0 (613) 35.2 (2) 211.2   
44 FR legrand 169.6 (637) 38.5 (1) 208.1   
45 CN Xusha J 207.6 (282) 0.0 (0) 207.6   
46 PL Dominik Kempa 198.4 (760) 0.0 (0) 198.4   
47 CN shangjingbo 197.8 (396) 0.0 (0) 197.8   
48 VN RR 192.6 (610) 4.4 (0) 197.0   
49 DE Adrian Kuegel 172.4 (510) 20.3 (2) 192.7   
50 PL Jaros≥aw Gomu≥ka 188.2 (655) 2.1 (0) 190.3   
51 CN zhj 183.6 (346) 1.9 (0) 185.5   
52 IN Suraj D 184.0 (678) 0.8 (0) 184.8   
53 RU Ruslan Sennov 162.3 (657) 21.0 (2) 183.3   
54 HR Gustav Matula 181.4 (393) 0.5 (0) 181.8   
55 PL Wojciech Bukowicki 180.6 (746) 0.8 (0) 181.4   
56 XX voozism 174.0 (788) 6.7 (0) 180.7   
57 IN INSOMNIA 178.7 (657) 1.0 (0) 179.8   
58 JP YOSHIDA, Yuichi 166.7 (419) 12.1 (2) 178.7   
59 CU Jose Carlos Gonzalez Fernandez[Hakuna Matata] 174.1 (595) 3.9 (0) 178.0   
60 BR Carlos Eduardo Rodrigues Alves [USJT] 172.7 (447) 4.5 (0) 177.1   
61 UA Spooky 169.7 (726) 5.5 (0) 175.2   
62 CN Xuzheng J 172.4 (288) 0.0 (0) 172.4   
63 IN ≠Surendra 160.5 (607) 10.8 (0) 171.3   
63 IN Varun Jalan 171.0 (601) 0.3 (0) 171.3   
65 CN Sun Zheng 169.6 (266) 0.2 (0) 169.8   
66 CN =====e^(iπ)+1=0===== 166.8 (316) 1.8 (0) 168.6   
67 CN Stilwell 162.7 (209) 4.2 (0) 166.9   
68 DE Damir Ferizovic 162.1 (563) 2.1 (0) 164.2   
69 ID Stacia Edina Johanna 162.8 (318) 0.2 (0) 163.1   
70 BR Geraldo Avelino [IME-RJ] 162.7 (783) 0.0 (0) 162.7   
71 IN Gaurav Agarwal 156.4 (640) 5.8 (1) 162.1   
72 CN Xusuo J 160.5 (269) 0.0 (0) 160.5   
73 IN Pratham Khandelwal 160.1 (493) 0.0 (0) 160.1   
74 HR Buda IM (retired) 158.3 (385) 0.8 (0) 159.0   
75 NZ Stephen Merriman 147.3 (537) 11.0 (1) 158.2   
76 XX 156.8 (459) 0.1 (0) 156.9   
77 XX Neal Zane 156.6 (457) 0.2 (0) 156.7   
78 EG Islam Diaa 156.5 (476) 0.2 (0) 156.6   
79 ID Ivan Hendrajaya 156.5 (608) 0.0 (0) 156.5   
80 IN Viplov Jain 154.5 (297) 1.2 (0) 155.7   
81 IN suhash 150.3 (666) 5.3 (0) 155.6   
82 CN Hunters Den 155.0 (216) 0.2 (0) 155.2   
83 JP fortune cookie 152.9 (502) 1.1 (0) 153.9   
84 CH Alfonso2 Peterssen 144.8 (478) 7.8 (0) 152.6   
85 CN Hellfire Temple 149.7 (181) 2.4 (0) 152.1   
86 IN abhijith reddy d 144.2 (591) 5.9 (0) 150.0   
87 AU darkdieuguerre 146.1 (563) 3.5 (1) 149.6   
88 NL amaroq 147.1 (549) 1.8 (0) 148.9   
89 IN .:: Pratik ::. 139.8 (509) 4.7 (0) 144.5   
90 HU NoszŠly Csaba 137.9 (549) 2.9 (0) 140.8   
91 CN Yang Yi 135.4 (427) 5.1 (0) 140.6   
91 HR s.max 140.3 (235) 0.3 (0) 140.6   
93 CN 膜拜叉姐神犇 140.4 (347) 0.0 (0) 140.4   
94 CN a14583465 139.4 (187) 0.0 (0) 139.4   
95 PL Tywan 130.1 (496) 8.5 (0) 138.6   
96 CN QiZiChao 133.7 (228) 4.7 (1) 138.4   
97 IN [Lakshman] 128.4 (416) 9.0 (0) 137.4   
98 IN Ajay Somani 122.1 (495) 14.6 (0) 136.7   
99 HR Marin Tomic 136.6 (329) 0.0 (0) 136.6   
100 RU Andrey Maksimenko 125.6 (631) 10.4 (1) 136.0   

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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