Osamu Koga (osa_k)

@osak

Open GitHub

🇯🇵 Saitama, Japan

Profile age: over 15 years

Updated 19 days ago

77 followers • 18 following

Contacts

https://osak.jp

Profile Overview

Global Japan

Rank in Japan

Advanced 5

Persona

Influencer

#5,759

#12,400

#2,861

Explore Ranks

Top 3 Languages By Stars

All Languages

Top 5 Repositories

POJ

updated over 11 years ago • age almost 14 years

C++99.8%

Ruby0.2%

Contest

updated over 2 years ago • age over 13 years

C++96.7%

Ruby2.7%

Haskell0.3%

Perl0.2%

C0.1%

ICFPC2015

updated about 10 years ago • age about 10 years

Java48.6%

Python20.0%

JavaScript13.5%

HTML11.2%

Ruby6.7%

shindanmaker

updated almost 4 years ago • age almost 14 years

Ruby100.0%

mikutter-eject

updated over 8 years ago • age almost 13 years

View all 13 repositories

Last Contributions

2024
ICFPC2024
2 PRs +517-120
Assembly
0
0
2021
ICFPC2021
1 PR +158-134
C++
0
0
haggle-de-haghag
1 PR +837-34
TypeScript
0
0
2020
rusoto
1 PR +6-1
Rust
2,733
443
42
ICFPC2020
3 PRs +221-12
Jupyter Notebook
0
0

View all contributions

Latest Updates

10 Oct 2025
Followers Count:75 77
13 Aug 2025
Followers Count:74 75
04 Jan 2025
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