Maximum Path sum in tree

Правка en3, от vrkorat211, 2020-08-23 11:48:59

Question asked in Google online coding challenge on 22nd AUG, 2020.

Please help me with this question.

You are given a tree with N nodes numbered 1 to N. Each node is having weight Ai. (1 <= i <= N)

Find the maximum path sum between any two node u and v of the tree. Return the maximum path sum value. constraints:

1 <= T <= 10
1 <= N <= 1e4
-1e6 <= Ai <= +1e6

Example:

Теги #trees, path-sum, #help

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en3 Английский vrkorat211 2020-08-23 11:48:59 14 Tiny change: 'e coding competition on 22nd A' -> 'e coding challenge on 22nd A'
en2 Английский vrkorat211 2020-08-23 11:47:58 16
en1 Английский vrkorat211 2020-08-23 11:46:18 781 Initial revision (published)