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arnold518Master
arnold51810
Master 3035

26d56420-45b0-4a37-8487-cf7b869c483c

1,695 Solved235 Contributions22 Reverse rivals
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Date Added# Unlocked UsersTier
  • Beta Contributor
    Beta Contributor
    Contributed once or more between July 13, 2019 and June 4, 2020
    442
  • 2020 with BOJ
    2020 with BOJ
    Solved problem A within the competition time of Good Bye, BOJ 2020!
    337
  • UCPC 2021
    UCPC 2021
    Participated in UCPC 2021
    425
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    79K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    36K
  • Spent 2021 with BOJ
    Spent 2021 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2021!
    644
  • IamCoder 2021 Year-end Contest
    IamCoder 2021 Year-end Contest
    Participated in IamCoder 2021 Year-end Contest, or solved 1 or more problems in its open contest
    170
  • 2 Solves
    2 Solves
    Celebrated the 2nd anniversary of solved.ac
    9.7K
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • 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
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    151K
  • Beginner Problem-solver
    Beginner Problem-solver
    Solve 50 problems
    105K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    31K
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    6.6K
  • 1-Star Problem-solving Technician
    1-Star Problem-solving Technician
    Solve 1,000 problems
    1.7K
  • 123