I would like to know why the color of nickname not presentsthe rating in codeforces?
# | User | Rating |
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1 | tourist | 4009 |
2 | jiangly | 3773 |
3 | Radewoosh | 3646 |
4 | ecnerwala | 3624 |
5 | jqdai0815 | 3620 |
5 | Benq | 3620 |
7 | orzdevinwang | 3612 |
8 | Geothermal | 3569 |
8 | cnnfls_csy | 3569 |
10 | Um_nik | 3396 |
# | User | Contrib. |
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1 | Um_nik | 164 |
2 | cry | 160 |
2 | maomao90 | 160 |
4 | -is-this-fft- | 159 |
5 | atcoder_official | 158 |
5 | awoo | 158 |
7 | adamant | 155 |
8 | nor | 154 |
9 | maroonrk | 152 |
10 | Dominater069 | 149 |
I would like to know why the color of nickname not presentsthe rating in codeforces?
Can someone help me solve this problem? (_Introduction to Algorithms, Second Edition_: problem 24-6)
A sequence is bitonic if it monotonically increases and then monotonically decreases, or if by a circular shift it monotonically increases and then monotonically decreases. For example the sequences ⟨1,4,6,8,3,−2⟩, ⟨9,2,−4,−10,−5⟩, and ⟨1,2,3,4⟩ are bitonic, but ⟨1,3,12,4,2,10⟩ is not bitonic. (See Problem 15-3 for the bitonic euclidean traveling-salesman problem.)
Suppose that we are given a directed graph G=(V,E) with weight function w:E→R, where all edge weights are unique, and we wish to find single-source shortest paths from a source vertex s. We are given one additional piece of information: for each vertex v∈V, the weights of the edges along any shortest path from s to v form a bitonic sequence.
Give the most efficient algorithm you can to solve this problem, and analyze its running time.
Obviously Bellman Ford's algorithm solves in O (V.E). Is there a better algorithm?
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