what to take in lazy tree or in main tree
Not clearly understand
Unable to understand the hint
@vg5823967 in lazy bits you just need to take 1, or 0, as after a update all the bits under node of lazy will be updated to either 1 or 0, so we keep track of that.
In the nodes of main tree take the number formed so far by the bits under it.
Code for reference.
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