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Victor MerckléVictor MerckléGrandmaster
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Apprentice600.00
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Master48'700.00
Grandmaster110'600.00
Dynamic · #1 player: 130'122.81 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
zielaj
Parse integers task: memory access pattern
by zielaj · Apr 23, 2026
7Sergey Svistunov
Using MMAP to optimize data reading
by Sergey Svistunov · Apr 19, 2026
3
Recent Discussions
Sergey Svistunov
I’ve just tuned a little bit the server, MAP_HUGETLB should work now.
by Sergey Svistunov on Using MMAP to optimize data reading · 26 days ago
zielaj
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 · 27 days ago
Danylo Mocherniuk
Doesn’t work for me neither.
by Danylo Mocherniuk on Using MMAP to optimize data reading · 27 days ago
zielaj
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 · 29 days ago
Recent Submissions
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Pavel KrajcevskiPavel Krajcevski→Parse integersCPP
2 hours ago		Success
Pavel KrajcevskiPavel Krajcevski→Parse integersCPP
2 hours ago		Success
Jacob McDanielJacob McDaniel→Large integer multiplicationCPP
3 hours ago		Success
Jacob McDanielJacob McDaniel→Large integer multiplicationCPP
3 hours ago		Success
Jacob McDanielJacob McDaniel→Large integer multiplicationCPP
3 hours ago		Success
Fernando AntunezFernando Antunez→Large matrix multiplicationCPP
8 hours ago		Error
Maya RebholzMaya Rebholz→Parse integersCPP
10 hours ago		Success
Maya RebholzMaya Rebholz→Parse integersCPP
10 hours ago		Success
Maya RebholzMaya Rebholz→Parse integersCPP
10 hours ago		Success
Maya RebholzMaya Rebholz→Parse integersCPP
10 hours ago		Success
Recent Solution Challenges
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Victor MerckléVictor Mercklé→wn·Parse integersgen
2 days ago		Solution Broken
Victor MerckléVictor Mercklé→wn·Parse integersgen
2 days ago		Solution Broken
Victor MerckléVictor Mercklé→wn·Parse integersgen
2 days ago		Solution Broken
Victor MerckléVictor Mercklé+0.23→wn-0.92·Parse integersgen
2 days ago		Solution Broken
Victor MerckléVictor Mercklé→wn·Parse integersgen
2 days ago		Solution Broken
Victor MerckléVictor Mercklé→wn·Parse integersgen
2 days ago		Solution Broken
Victor MerckléVictor Mercklé-10.00→limanjun99·Parse integersgen
2 days ago		Solution Held
Victor MerckléVictor Mercklé→wn·Parse integersgen
2 days ago		Solution Broken
Victor MerckléVictor Mercklé-10.00→wn·Parse integersgen
2 days ago		Solution Held
Victor MerckléVictor Mercklé-20.00→wn·Parse integersgen
2 days ago		Solution Held