A tree rooted at 1 is given , we have to perform two type of queries . - type 1 (u,x): update value of node node u to x. - type 2 (u,x): count the number of node having value less than x in path from u to 1.
A query on tree type question.
A tree rooted at 1 is given , we have to perform two type of queries . - type 1 (u,x): update value of node node u to x. - type 2 (u,x): count the number of node having value less than x in path from u to 1.
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