Editorial for Trò chơi trên xâu nhị phân 🎲🎮
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.
Author:
tag: data structure, fenwick tree, bitset tree.
Subtask 1:
Trâu.
Subtask 2:
Fenwick Tree + kỹ thuật binary lift.
Subtask 3:
Bitset Tree + Bitset walk.
Happy coding!!
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