Editorial for Bedao Testing Contest 01 - I WANT


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.

Bài này có hơi troll một tí. Bạn nên để ý chữ L viết thường: "l" nó cũng gần giống với chữ i viết hoa: "I"


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