HighLoad.fun

Leaderboard

Victor MerckléGrandmaster

134'858.87 RP

Josu San MartinMaster

109'251.24 RP

olliecrowMaster

92'083.52 RP

#	User	Level	RP
4	Yuriy Lyfenko	Master	89'130.40
5	Dominique Garmier	Master	51'518.96
6	Aniruddha Deb	Master	51'081.39
7	limanjun99	Expert	43'731.99
8	Joad Nacer	Expert	41'967.86
9	Keefe	Expert	35'534.15
10	Charles Cabergs	Expert	33'717.77
11	Sergey Stremin	Expert	33'427.98
12	Andrey Likhachev	Expert	33'028.53
13	zielaj	Expert	32'652.26
14	Aleksei Shahoika	Expert	27'624.97
15	Robert Burke	Expert	27'360.04
16	matsuoka-601	Expert	26'740.34
17	AnSa	Expert	26'368.35
18	TudyM	Expert	25'025.95
19	gchebanov	Expert	23'931.76
20	Sergey Serebryakov	Expert	22'258.49
21	Ian Mckibben	Expert	21'424.80
22	Bernard Teo	Expert	21'255.19
23	Taylor Dettling	Expert	21'070.61
24	Kenneth Maples	Expert	20'972.50
25	Ben	Expert	20'711.04
26	vahook	Expert	18'245.02
27	Yurkov Aleksey	Expert	18'147.30
28	Mikhail Shirokov	Skilled	16'732.03
29	Huy Duc Le	Skilled	15'457.71
30	HighloadGPT-o3-mini-high	Skilled	15'084.38
31	izotoff	Skilled	14'644.90
32	E Sequeira	Skilled	13'732.08
33	Oleg Kovalov	Skilled	13'654.57
34	NoSIMD_C#	Skilled	13'651.44
35	lipapipa	Skilled	13'246.41
36	Daniel Mastalerz	Skilled	13'187.47
37	Adam Folwarczny	Skilled	12'456.24
38	Ilya Aniskovets	Skilled	12'194.91
39	apuxbt	Skilled	12'091.48
40	Daniel	Skilled	11'761.42
41	Andrey Tsvetkov	Skilled	11'123.84
42	Rajarshi Basu	Skilled	10'806.46
43	Martin Stensgård	Skilled	10'502.81
44	Yehor Bondar	Skilled	10'308.39
45	Liam	Skilled	10'153.98
46	ethereal	Skilled	9'800.25
47	Valentin Kofman	Skilled	8'970.05
48	Chandrasekaran Akash	Skilled	8'886.79
49	HighloadGPTO1	Skilled	8'693.37
50	Alexander Frolov	Skilled	8'537.49
51	wainCGP	Skilled	7'915.06
52	Eugene Zhydzetski	Skilled	7'862.93
53	Franek Korta	Skilled	7'787.23
54	Hung T.Nguyen	Skilled	7'731.38
55	Drew Garcia	Skilled	7'232.36
56	Mikołaj Uzarski	Skilled	7'103.59
57	yenw0d	Skilled	6'893.05
58	Myles	Skilled	6'759.61
59	Alexander Monakov	Skilled	6'711.21
60	ii14	Skilled	6'424.73
61	Victor Muñoz	Skilled	6'206.20
62	Pavel Skripkin	Skilled	6'144.91
63	Egor Sergeev	Skilled	5'822.74
64	Jasper Edbrooke	Skilled	5'747.80
65	parsersmail	Skilled	5'556.90
66	Matt Stuchlik	Skilled	5'421.27
67	Alex Kent	Skilled	5'350.17
68	Alexander Kim	Skilled	5'267.02
69	Hattonuri	Skilled	5'222.59
70	Jack Frigaard	Skilled	5'008.80
71	Iheb	Skilled	4'935.29
72	Tejas G.	Skilled	4'868.71
73	Andrei	Skilled	4'778.86
74	Mikhail Dektyarev	Skilled	4'730.65
75	someone12469	Skilled	4'694.19
76	caando	Skilled	4'486.86
77	T Pratham	Skilled	4'458.16
78	Jem Bishop	Skilled	4'372.90
79	Bohdan Storozhuk	Skilled	4'349.10
80	thatmagicalcat	Skilled	4'273.95
81	Jatin Yadav	Skilled	4'202.00
82	picul	Skilled	4'156.87
83	Matthias	Skilled	3'996.99
84	Vitaliy F.	Skilled	3'865.85
85	Hal F	Skilled	3'863.14
86	Leon Zhao	Skilled	3'794.52
87	Oleg Skinderev	Skilled	3'770.41
88	Cadovvl	Skilled	3'769.94
89	Ryan Chung Yi Sheng	Skilled	3'769.39
90	A L Manning	Skilled	3'697.07
91	Cameron Aavik	Skilled	3'589.58
92	sheryllynn24	Skilled	3'586.45
93	mmalczak	Skilled	3'557.22
94	Ben	Skilled	3'534.34
95	Hayden Donnelly	Skilled	3'476.49
96	sophia	Skilled	3'454.59
97	Arseniy Korobenko	Skilled	3'418.28
98	Fernando Antunez	Skilled	3'406.68
99	Daan de Graaf	Skilled	3'402.08
100	alex3d	Skilled	3'386.46

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Level Thresholds

Apprentice600.00

Skilled3'300.00

Expert16'800.00

Master50'500.00

Grandmaster114'600.00

Dynamic · #1 player: 134'858.87 RP

News

2026-04-29

🎉5 years of HighLoad.Fun!🎉 Half a decade ago, the domain was registered - and what started as an idea has grown into a community of engineers obsessed with squeezing every last nanosecond out of their code. Thanks for being here.

2026-01-01

The 2025 leaderboard is officially closed! Explore the final results by visiting this link. Share your certificates proudly—they will stay available as long as the site is live!

2025-01-01

The 2024 leaderboard is officially closed! Explore the final results by visiting this link. Share your certificates proudly—they will stay available as long as the site is live!

2024-11-10

New supported language Zig was added.

2024-08-31

The checker server’s OS has been upgraded to Ubuntu 24.04.

View all news →

Recent Articles

Parse integers task: memory access pattern

by zielaj · Apr 23, 2026

Using MMAP to optimize data reading

by Sergey Svistunov · Apr 19, 2026

Recent Discussions

I’ve just tuned a little bit the server, MAP_HUGETLB should work now.

by Sergey Svistunov on Using MMAP to optimize data reading · 19 days ago

FYI This is a republishing an article that I originally sent to the telegram channel pre-upgrade.

by zielaj on Parse integers task: memory access pattern · 20 days ago

Doesn’t work for me neither.

by Danylo Mocherniuk on Using MMAP to optimize data reading · 21 days ago

Does MAP_HUGETLB work for anyone on highload.fun? I remember trying it a long time ago on “Parse...

by zielaj on Using MMAP to optimize data reading · 22 days ago

Recent Submissions

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	Aleksei Shahoika→Large matrix multiplication CPP 52 minutes ago	Success
	Aleksei Shahoika→Large matrix multiplication CPP 58 minutes ago	Success
	Aleksei Shahoika→Large matrix multiplication CPP 1 hour ago	Success
	Aleksei Shahoika→Large matrix multiplication CPP 1 hour ago	Success
	Victor Mercklé→Parse integers CPP 1 hour ago	Success
	Josu San Martin→Unique strings CPP 1 hour ago	Success
	Victor Mercklé→Parse integers CPP 1 hour ago	Success
	Victor Mercklé→Parse integers CPP 1 hour ago	Success
	Victor Mercklé→Parse integers CPP 1 hour ago	Success
	Victor Mercklé→Parse integers CPP 1 hour ago	Success

Recent Solution Challenges