In a rooted tree $$$T$$$, let $$$dep_u$$$ be the distance from $$$u$$$ to the root, $$$dis_u$$$ be the distance from $$$u$$$ to the deepest leaf in $$$u$$$'s subtree.
How to analyze this expected value of a random tree?
In a rooted tree $$$T$$$, let $$$dep_u$$$ be the distance from $$$u$$$ to the root, $$$dis_u$$$ be the distance from $$$u$$$ to the deepest leaf in $$$u$$$'s subtree.
| Rev. | Язык | Кто | Когда | Δ | Комментарий | |
|---|---|---|---|---|---|---|
| en4 |
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Y25t | 2021-09-30 12:18:42 | 0 | (published) | |
| en3 |
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Y25t | 2021-09-30 12:13:56 | 1 | Tiny change: 'ooted tree.\n\nHow t' -> 'ooted trees.\n\nHow t' (saved to drafts) | |
| en2 |
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Y25t | 2021-09-30 10:51:01 | 216 | Tiny change: 's subtree.' -> 's subtree.\nLet $f(T)=\sum_{u\in T} dep_u\times dis_u$, ' (published) | |
| en1 |
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Y25t | 2021-09-30 10:26:42 | 194 | Initial revision (saved to drafts) |
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