BadgesProfile BackgroundsRedeem

Badges

Sort
Date Added# Unlocked UsersTier
  • The 9th Hanyang University Programming Contest
    Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
    284
  • 2022 Seoul Cyber University Programming Contest
    2022 Seoul Cyber University Programming Contest
    Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
    339
  • Level 10 Sprout
    Level 10 Sprout
    Solved problems for 1,024 days in a row
    0
  • Christmas Gift (2022)
    Earn at least 5 gifts from the Make a Tree event, 2022
    725
  • 2022 1st Calculus, Probability, and Statistics Cup
    2022 1st Calculus, Probability, and Statistics Cup
    Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
    359
  • IamCoder 2022 Year-end Contest
    IamCoder 2022 Year-end Contest
    Participated in IamCoder 2022 Year-end Contest, or in its open contest
    269
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • SciOI 2022
    SciOI 2022
    Participated in SciOI 2022, or solved 1 or more problems in its open contest
    226
  • GBS Coding Contest 2022
    GBS Coding Contest 2022
    Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest
    292
  • Newbie Problem-solver
    Solve 10 problems
    132K
  • Beginner Problem-solver
    Beginner Problem-solver
    Solve 50 problems
    90K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    56K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    26K
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    5.3K
  • 1-Star Problem-solving Technician
    Solve 1,000 problems
    1.3K
  • 2-Star Problem-solving Technician
    2-Star Problem-solving Technician
    Solve 2,000 problems
    298
  • Boardgame Cup (2023)
    Boardgame Cup (2023)
    Solved 1 or more problems in Boardgame Cup
    584
  • The 2nd MatKor Cup : 2023 Winter
    The 2nd MatKor Cup : 2023 Winter
    Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
    473
  • 2023 KSA Automata Winter Contest
    2023 KSA Automata Winter Contest
    Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
    362
  • Anime Cup (2023)
    Anime Cup (2023)
    Solved 1 or more problems in Anime Cup Season 1 or 2
    766
    • 123456811