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Platinum III
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kangkh0906Platinum III
kangkh09065
Platinum III 194357 until Platinum II
1,005 Solved76 Contributions13 Reverse rivals
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Date Added# Unlocked UsersTier
  • 2023 Ajou University Programming Contest
    Participated in 2023 APC, or solved 1 or more problems in its open contest
    314
  • The Spy (2023)
    The Spy (2023)
    Participated in 2023 Inha University Programming Contest, or solved 1 or more problems in its open contest
    463
  • 2023 Sogang University Freshman Cup
    2023 Sogang University Freshman Cup
    Participated in 2023 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
    363
  • Codemaster 2023
    Codemaster 2023
    Participated in the Codemaster 2023 by Songdo Highschool, or solved 1 or more problems in its open contest
    430
  • 2023 Daegu Software Highschool Programming Contest
    2023 Daegu Software Highschool Programming Contest
    Participated in the 2023 Daegu Software Highschool Programming Contest, or solved 1 or more problems in its open contest
    226
  • Unstoppable
    Unstoppable
    Participate as a rated contestant in the Arena and increase your rating 5 times in a row
    527
  • Hopefully This Badge Will Help You Keep Calm
    Hopefully This Badge Will Help You Keep Calm
    Participate as a rated contestant in the Arena and decrease your rating
    367
  • Arena: Top 100
    Arena: Top 100
    Participate as a rated contestant in the Arena and achieve a rank of top 100 or greater
    972
  • Speedy
    Speedy
    Participate as a rated contestant in the Arena and get full score for a problem within 5 minutes of the start of the competition
    821
  • Rapid
    Rapid
    Participate as a rated contestant in the Arena and get full score for a problem within 3 minutes of the start of the competition
    586
  • Did You Even Read The Statement???
    Did You Even Read The Statement???
    Participate as a rated contestant in the Arena and get full score for a problem within 1 minute of the start of the competition
    68
  • Arena: Half Solves
    Arena: Half Solves
    Participate as a rated contestant in the Arena and get full score for half or more of the problems in the contest
    510
  • Arena: Quarter Solves
    Arena: Quarter Solves
    Participate as a rated contestant in the Arena and get full score for quarter or more of the problems in the contest
    1.3K
  • Arena: Quarter Solves × 5
    Arena: Quarter Solves × 5
    Participate as a rated contestant for 5 times in the Arena and get full score for quarter or more of the problems in the contest
    189
  • Record of the Stars: Chapter 1
    Record of the Stars: Chapter 1
    Participate as a rated contestant in the Arena
    3.2K
  • Record of the Stars: Chapter 2
    Record of the Stars: Chapter 2
    Participate as a rated contestant for 5 times in the Arena
    607
  • 123456