배경 없음
Gold II
ProblemsUnrated
Arena
preededGold II
preeded4
Gold II 138218 until Gold I

a^=b^=a^=b로 구현된 xor swap은 UB다 C++11 이상 버전을 제외하고는

266 Solved
Sort
Date Added# Unlocked UsersTier
  • Summer Postcard Decoration: Top 1,000 (2022)
    Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
    884
  • ★★Seventeen Stars★★ (2022)
    ★★Seventeen Stars★★ (2022)
    Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
    2.1K
    • 1