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World Series

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Skyline Extraction

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A game of N gamblers

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Array balancing point

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Preserving sums of squares

A和B两个队比赛，七局四胜制, 没有平局, 哪个队先胜四场比赛就结束。每场比赛之前我都要下注（金额不一定

相同），但只赌A赢。问如果我希望这个系列赛结束后，若A赢我就赚１００块，若B赢

我就输１００块，那末第一场比赛之前我应下多少钱赌A赢？

Tags: dynamic_programming gambling

Input: A set of overlapping buildings. A building b_i = (l_i, r_i, h_i) is a 3-tuple of left edges l_i < r_i and a height h_i (>0).

Output: A ...

In a game of N gamblers, the ith gambler starts the game with a_i dollars. In each round, two gamblers selected at random make a fair bet, and the winner ...

A balancing point of an N-element array A is an index i such that all elements on lower indexes have values <= A[i] and all elements on higher indexes have ...

http://topologicalmusings.wordpress.com/2008/10/26/pow-11-preserving-sums-of-squares/

let N be the set of natural numbers, i.e., the set of nonnegative integers.

Describe all functions f: N->N such that

f(p^2+q^2) = f(p)^2 + f(q)^2 ...