Sphere Online Judge

Problem Solvers' Hall of Fame

RANK CC NAME CLASSICAL CHALLENGE SCORE
1 CN [Retired] Blue.Mary 1413.5 (2244) 19.9 (4) 1433.4   
2 RU Oleg Chernyakhovskiy 965.8 (1795) 4.3 (1) 970.1   
3 PL :D 867.0 (1493) 11.0 (2) 878.0   
4 CA Jacob Plachta 771.3 (1462) 3.8 (0) 775.0   
5 HU Robert Gerbicz 508.6 (1214) 108.9 (23) 617.4   
6 CN Lox 550.8 (802) 3.7 (0) 554.6   
7 XX Mitch Schwartz 277.7 (604) 273.6 (78) 551.2   
8 HR Ivan Kataniś 432.6 (964) 1.3 (0) 433.9   
9 GB Luke Pebody 425.4 (1082) 7.3 (2) 432.7   
10 PL ebd 420.2 (1183) 1.5 (0) 421.7   
11 CN shihanyuan 421.5 (690) 0.0 (0) 421.5   
12 HR Stjepan Glavina 420.5 (943) 0.7 (0) 421.2   
13 IN SWOOSH!!! 359.9 (991) 4.7 (0) 364.6   
14 CN Balrog 345.4 (487) 2.7 (0) 348.0   
15 CA Andy Y.F. Huang 335.7 (936) 1.1 (0) 336.9   
16 UA Anton Lunyov 325.2 (688) 9.1 (0) 334.3   
17 US Eigenray 315.8 (804) 0.0 (0) 315.8   
18 ID (Tjandra Satria Gunawan)(曾毅昆) 265.2 (592) 36.0 (2) 301.2   
19 PL Damian Straszak 296.1 (584) 1.3 (0) 297.4   
20 CN Eternal Answer 292.8 (457) 0.9 (0) 293.7   
21 UA Ehor Nechiporenko 273.9 (533) 13.9 (1) 287.8   
22 IN Ravi Kiran 283.0 (911) 3.1 (0) 286.1   
22 CU Shaka Shadows 284.7 (679) 1.3 (0) 286.1   
24 XX Siarhei Kulik 270.5 (465) 5.5 (0) 276.1   
25 BY Gennady Korotkevich 253.8 (709) 14.5 (0) 268.3   
26 XX coup de grace 266.5 (460) 0.0 (0) 266.5   
27 HK fitcat 257.4 (788) 8.5 (0) 265.9   
28 TR Mehmet Inal 243.3 (719) 15.7 (0) 258.9   
29 HR Luka Kalinovcic 247.5 (560) 1.6 (0) 249.1   
30 XX suhang 245.7 (405) 0.0 (0) 245.7   
31 PL Bartek Dudek 244.0 (469) 0.9 (0) 244.9   
32 CN Jialin Ouyang 244.2 (1090) 0.0 (0) 244.2   
33 JP Min_25 232.1 (173) 10.0 (2) 242.2   
34 CN sevenkplus 232.5 (348) 7.4 (1) 240.0   
35 CN Xunie J 238.5 (321) 0.0 (0) 238.5   
36 PT Miguel Oliveira 229.6 (704) 1.3 (0) 230.9   
37 CU Eddy R. Morales Perez 229.3 (689) 0.4 (0) 229.7   
38 CN ymGXX 225.1 (508) 2.4 (0) 227.5   
39 BR Rodolfo Riyoei Goya [USJT] 218.1 (885) 5.6 (0) 223.7   
40 US Michael Egorov 215.7 (780) 7.8 (0) 223.5   
41 ID Andy William 216.7 (628) 5.7 (0) 222.4   
42 IN Pranay 198.7 (826) 13.2 (0) 211.9   
43 DE numerix 175.3 (613) 35.2 (2) 210.5   
44 FR legrand 171.3 (643) 38.5 (1) 209.7   
45 CN Xusha J 207.1 (282) 0.0 (0) 207.1   
46 PL Dominik Kempa 197.8 (760) 0.0 (0) 197.8   
47 CN shangjingbo 197.2 (396) 0.0 (0) 197.2   
48 VN RR 192.2 (610) 4.4 (0) 196.6   
49 DE Adrian Kuegel 172.1 (510) 20.3 (2) 192.4   
50 PL Jaros≥aw Gomu≥ka 187.7 (655) 2.1 (0) 189.8   
51 CN zhj 183.3 (346) 1.9 (0) 185.1   
52 IN Suraj D 183.3 (678) 0.8 (0) 184.2   
53 RU Ruslan Sennov 161.8 (657) 21.0 (2) 182.9   
54 HR Gustav Matula 180.9 (393) 0.5 (0) 181.4   
55 PL Wojciech Bukowicki 180.1 (746) 0.8 (0) 180.9   
56 XX voozism 173.0 (788) 6.7 (0) 179.7   
57 IN INSOMNIA 178.2 (657) 1.0 (0) 179.3   
58 JP YOSHIDA, Yuichi 166.4 (419) 12.1 (2) 178.4   
59 CU Jose Carlos Gonzalez Fernandez[Hakuna Matata] 173.5 (595) 3.9 (0) 177.4   
60 BR Carlos Eduardo Rodrigues Alves [USJT] 172.3 (447) 4.5 (0) 176.7   
61 UA Spooky 169.1 (726) 5.5 (0) 174.5   
62 CN Xuzheng J 172.1 (288) 0.0 (0) 172.1   
63 IN Varun Jalan 170.5 (601) 0.3 (0) 170.8   
64 IN ≠Surendra 159.6 (607) 10.8 (0) 170.3   
65 CN Sun Zheng 169.4 (266) 0.2 (0) 169.6   
66 CN =====e^(iπ)+1=0===== 166.4 (316) 1.8 (0) 168.2   
67 CN Stilwell 161.3 (209) 4.2 (0) 165.6   
68 ID Stacia Edina Johanna 165.2 (321) 0.2 (0) 165.5   
69 DE Damir Ferizovic 161.6 (563) 2.1 (0) 163.7   
70 IN suhash 157.0 (672) 5.3 (0) 162.3   
71 IN Gaurav Agarwal 155.9 (640) 5.8 (1) 161.7   
72 BR Geraldo Avelino [IME-RJ] 161.5 (783) 0.0 (0) 161.5   
73 CN Xusuo J 160.2 (269) 0.0 (0) 160.2   
74 IN Pratham Khandelwal 159.5 (493) 0.0 (0) 159.5   
75 HR Buda IM (retired) 157.7 (385) 0.8 (0) 158.5   
76 NZ Stephen Merriman 146.9 (537) 11.0 (1) 157.9   
77 XX 156.5 (459) 0.1 (0) 156.6   
78 XX Neal Zane 156.1 (457) 0.2 (0) 156.3   
79 EG Islam Diaa 156.1 (476) 0.2 (0) 156.2   
80 ID Ivan Hendrajaya 155.9 (608) 0.0 (0) 155.9   
81 IN Viplov Jain 153.7 (297) 1.2 (0) 154.9   
82 CN Hunters Den 154.5 (216) 0.2 (0) 154.8   
83 JP fortune cookie 152.5 (502) 1.1 (0) 153.5   
84 CH Alfonso2 Peterssen 144.4 (478) 7.8 (0) 152.2   
85 CN Hellfire Temple 149.3 (181) 2.4 (0) 151.7   
86 IN abhijith reddy d 143.6 (591) 5.9 (0) 149.4   
87 NL amaroq 146.7 (549) 1.8 (0) 148.5   
88 AU darkdieuguerre 144.9 (563) 3.5 (1) 148.4   
89 IN .:: Pratik ::. 139.4 (509) 4.7 (0) 144.1   
90 HR s.max 140.1 (235) 0.3 (0) 140.4   
91 CN Yang Yi 135.2 (427) 5.1 (0) 140.3   
92 CN 膜拜叉姐神犇 140.1 (347) 0.0 (0) 140.2   
93 HU NoszŠly Csaba 137.3 (549) 2.9 (0) 140.1   
94 CN a14583465 139.1 (187) 0.0 (0) 139.1   
95 CN QiZiChao 133.5 (228) 4.7 (1) 138.2   
96 PL Tywan 129.5 (496) 8.5 (0) 138.0   
97 IN [Lakshman] 128.1 (418) 9.0 (0) 137.2   
98 IN Rishav Goyal 134.9 (519) 1.8 (0) 136.6   
99 IN Ajay Somani 121.7 (495) 14.6 (0) 136.3   
100 HR Marin Tomic 136.1 (329) 0.0 (0) 136.1   

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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