Editorial for Ký tự cũ
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Authors:
Spoiler Alert
Hint
- Dùng bảng ASCII tìm điểm tương ứng
Approach 1
- Subtract (-)
\(new_c = c - 32\)
Approach 2
- Bitwise (and not)
\(new_c = c\ \&(\sim 32)\)
Comments