Jaehyun Koo

Timeline
Contest2015201620172018201920202021202220232024
Major Individual Competitions:
TopCoder Open Algorithm top‑16 - -
Google Code Jam 12 23 - -
Facebook Hacker Cup 19 11 6 9 7 -
Yandex.Algorithm - - - - - - - - 8
Major Team Competitions:
Google Hash Code - - - - 36 14 - -
Worldwide High School and Collegiate Onsites:
IOISilver medal 46 Gold medal 15
ICPC World Finals 20 24
Regional International Contests:
CodeChef SnackDown - 13 - 24 - - -
Code Festival - 5 - - - - - - -
M(IT)^2 Spring Invitationals - - - - - - - - - 15
Individual Results
DateContestRankScorePrize
11 May 2024M(IT)^2 2024 Spring Invitationals
15
100/500
25 Nov 2017Code Festival 2017
5
5800
¥81915
09 Jan 2022CodeChef SnackDown 2021
24
3/7
$500
02 Aug 2015IOI 2015
Silver medal 46
389.55/600
19 Aug 2016IOI 2016
Gold medal 15 - 21
432/600
03 Dec 2024Yandex Cup 2024 Algorithm
8
40
14 Jun 2017Facebook Hacker Cup 2017
19
28/100
$100
25 Oct 2019Facebook Hacker Cup 2019
11
75/100
$100
05 Dec 2020Facebook Hacker Cup 2020
6
76/100
$500
11 Dec 2021Facebook Hacker Cup 2021
9
32/100
$500
09 Dec 2023Meta Hacker Cup 2023
7
73/100
$500
08 Aug 2020Google Code Jam 2020
12
82/200
$100
07 Aug 2021Google Code Jam 2021
23
60/200
$100
19 Nov 2021Topcoder Open 2021 Algorithm
semifinalist (top‑16)
Ranked 8 in Semifinal 1
92.62
Team Results
DateContestRankTeamScorePrize
16 Feb 2019CodeChef SnackDown 2019
13
TAK TAK:
7/10
19 Apr 2018ACM-ICPC 2018 World Finals
20
KAIST (Deobureo Minkyu Party):
6/11
04 Apr 2019ICPC 2019 World Finals
24
KAIST (Deobureo Minkyu Party):
6/11
25 Apr 2020Google Hash Code 2020
36
78-9:
1422287
30 Apr 2022Google Hash Code 2022
14
youtu.be/HmoeUTXINxs:
2355268