Editorial for Ký tự cũ

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Authors: SPyofgame

Spoiler Alert


  • Dùng bảng ASCII tìm điểm tương ứng

Approach 1

  • Subtract (-)

\(new_c = c - 32\)

Approach 2

  • Bitwise (and not)

\(new_c = c\ \&(\sim 32)\)


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