Sphere Online Judge

Problem Solvers' Hall of Fame

RANK CC NAME CLASSICAL CHALLENGE SCORE
1 CN [Retired] Blue.Mary 1464.7 (2293) 19.9 (4) 1484.6   
2 RU Oleg Chernyakhovskiy 952.6 (1774) 4.3 (1) 956.9   
3 PL :D 875.8 (1499) 11.0 (2) 886.7   
4 CA Jacob Plachta 820.3 (1518) 3.8 (0) 824.1   
5 HU Robert Gerbicz 504.8 (1213) 108.8 (23) 613.6   
6 CN Lox 550.6 (802) 3.7 (0) 554.3   
7 XX Mitch Schwartz 273.5 (602) 271.4 (77) 545.0   
8 CN shihanyuan 483.5 (775) 0.0 (0) 483.5   
9 HR Ivan Kataniś 429.3 (955) 1.3 (0) 430.6   
10 GB Luke Pebody 413.2 (1062) 7.3 (2) 420.5   
11 HR Stjepan Glavina 417.1 (938) 0.7 (0) 417.8   
12 PL ebd 415.4 (1184) 1.5 (0) 416.9   
13 IN SWOOSH!!! 352.5 (989) 4.6 (0) 357.1   
14 CN Balrog 342.4 (486) 2.6 (0) 345.0   
15 UA Anton Lunyov 322.3 (688) 9.0 (0) 331.2   
16 CA Andy Y.F. Huang 328.2 (936) 1.1 (0) 329.4   
17 US Eigenray 312.5 (798) 0.0 (0) 312.5   
18 ID (Tjandra Satria Gunawan)(曾毅昆) 269.2 (596) 35.9 (2) 305.1   
19 PL Damian Straszak 294.8 (585) 1.3 (0) 296.1   
20 CN Eternal Answer 290.6 (456) 0.9 (0) 291.4   
21 UA Ehor Nechiporenko 276.2 (542) 13.9 (1) 290.1   
22 HK fitcat 278.3 (815) 8.4 (0) 286.6   
23 CU Shaka Shadows 282.8 (680) 1.3 (0) 284.1   
24 IN Ravi Kiran 279.4 (908) 3.0 (0) 282.4   
25 TR gordion 265.3 (758) 16.6 (0) 281.9   
26 XX Siarhei Kulik 267.7 (465) 5.5 (0) 273.2   
27 BY Gennady Korotkevich 252.2 (707) 14.4 (0) 266.6   
28 JP Min_25 259.2 (192) 7.2 (1) 266.3   
29 XX coup de grace 264.1 (460) 0.0 (0) 264.1   
30 PL Bartek Dudek 252.6 (479) 0.9 (0) 253.5   
31 XX suhang 243.7 (404) 0.0 (0) 243.7   
32 HR Luka Kalinovcic 241.4 (556) 1.6 (0) 242.9   
33 CN Jialin Ouyang 240.1 (1089) 0.0 (0) 240.1   
34 CN sevenkplus 231.4 (347) 7.4 (1) 238.9   
35 ID Andy William 232.1 (647) 5.7 (0) 237.8   
36 CN Xunie J 236.5 (321) 0.0 (0) 236.5   
37 BR Rodolfo Riyoei Goya [USJT] 227.8 (939) 5.6 (0) 233.4   
38 PT Miguel Oliveira 224.1 (702) 1.3 (0) 225.4   
39 CU Eddy R. Morales Perez 224.2 (690) 0.4 (0) 224.6   
40 CN ymGXX 221.5 (504) 2.4 (0) 223.9   
41 DE numerix 185.0 (630) 38.1 (3) 223.0   
42 FR legrand 177.4 (658) 40.8 (2) 218.2   
43 US Michael Egorov 208.3 (776) 7.8 (0) 216.1   
44 IN Pranay 192.8 (824) 13.2 (0) 206.0   
45 CN Xusha J 205.4 (282) 0.0 (0) 205.4   
46 PL Dominik Kempa 195.9 (760) 0.0 (0) 195.9   
47 VN RR 191.0 (608) 4.4 (0) 195.4   
48 CN shangjingbo 194.3 (392) 0.0 (0) 194.3   
49 DE Adrian Kuegel 171.4 (506) 18.1 (2) 189.5   
50 PL Jaros≥aw Gomu≥ka 186.7 (653) 2.1 (0) 188.8   
51 CN zhj 182.1 (347) 1.9 (0) 184.0   
52 ID Stacia Edina Johanna 182.8 (342) 0.2 (0) 183.1   
53 HR Gustav Matula 182.1 (395) 0.5 (0) 182.6   
54 RU Ruslan Sennov 161.4 (658) 20.6 (2) 182.0   
55 IN Suraj D 180.3 (677) 0.8 (0) 181.1   
56 PL Wojciech Bukowicki 178.4 (746) 0.8 (0) 179.2   
57 IN INSOMNIA 176.6 (656) 1.0 (0) 177.6   
58 BR Carlos Eduardo Rodrigues Alves [USJT] 171.3 (447) 4.5 (0) 175.7   
59 CU Jose Carlos Gonzalez Fernandez[UCI2ndTWF] 170.2 (594) 3.9 (0) 174.2   
60 CN Stilwell 169.8 (222) 4.2 (0) 174.0   
61 UA Spooky 166.3 (722) 5.5 (0) 171.8   
62 JP YOSHIDA, Yuichi 159.1 (406) 12.1 (2) 171.1   
63 CN Xuzheng J 170.3 (288) 0.0 (0) 170.3   
64 CN Sun Zheng 166.8 (263) 0.2 (0) 167.0   
65 CN =====e^(iπ)+1=0===== 165.1 (316) 1.8 (0) 166.9   
66 IN Varun Jalan 166.1 (588) 0.3 (0) 166.5   
67 IN ≠Surendra 155.4 (605) 10.7 (0) 166.2   
68 DE Damir Ferizovic 159.3 (559) 2.1 (0) 161.4   
69 IN Gaurav Agarwal 154.1 (637) 5.8 (1) 159.9   
70 CN Xusuo J 158.8 (269) 0.0 (0) 158.8   
71 BR Geraldo Avelino [IME-RJ] 157.6 (784) 0.0 (0) 157.6   
72 IN suhash 152.2 (671) 5.3 (0) 157.5   
73 IN Pratham Khandelwal 157.2 (492) 0.0 (0) 157.2   
74 HR Buda IM (retired) 155.6 (385) 0.8 (0) 156.4   
75 XX 155.6 (456) 0.1 (0) 155.7   
76 XX Neal Zane 154.4 (455) 0.2 (0) 154.5   
76 IN its_time_to_code 127.7 (376) 26.8 (1) 154.5   
78 EG Islam Diaa 153.9 (475) 0.2 (0) 154.0   
79 ID Ivan Hendrajaya 153.3 (607) 0.0 (0) 153.3   
80 CN Hunters Den 152.9 (216) 0.2 (0) 153.1   
81 NZ Stephen Merriman 141.6 (525) 10.7 (1) 152.3   
81 JP fortune cookie 151.2 (502) 1.1 (0) 152.3   
83 IN Viplov Jain 150.4 (295) 1.2 (0) 151.6   
84 CN Hellfire Temple 148.2 (181) 2.4 (0) 150.7   
85 CH Alfonso2 Peterssen 141.6 (474) 7.8 (0) 149.4   
86 NL amaroq 145.6 (548) 1.8 (0) 147.4   
87 IN abhijith reddy d 140.9 (587) 5.8 (0) 146.7   
88 AU darkdieuguerre 140.1 (562) 3.5 (1) 143.7   
89 IN .:: Pratik ::. 137.7 (509) 4.7 (0) 142.3   
89 IN RIVU DAS 117.9 (327) 24.4 (1) 142.3   
91 ID Agus Sentosa 140.7 (293) 1.0 (0) 141.8   
92 HR s.max 139.4 (235) 0.3 (0) 139.7   
93 CN QiZiChao 134.1 (228) 4.7 (1) 138.7   
94 IN [Lakshman] 129.1 (424) 9.1 (0) 138.3   
95 CN a14583465 138.2 (187) 0.0 (0) 138.2   
96 HU NoszŠly Csaba 134.8 (548) 2.9 (0) 137.6   
97 CN 膜拜叉姐神犇 136.6 (338) 0.0 (0) 136.6   
98 PL Tywan 127.2 (494) 8.4 (0) 135.6   
99 HR Marin Tomic 134.6 (328) 0.0 (0) 134.6   
100 IN Ajay Somani 119.8 (490) 14.3 (0) 134.1   

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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