Easy Game(记忆化搜索)

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Easy Game(记忆化搜索)

You are playing a two player game. Initially there are n integer numbers in an array and player A and B get chance to take them alternatively. Each player can take one or more numbers from the left or right end of the array but cannot take from both…

[hihocoder 1033]交错和数位dp/记忆化搜索

#1033 : 交错和时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描写叙述给定一个数 x,设它十进制展从高位到低位上的数位依次是 a0, a1, ..., an - 1,定义交错和函数: f(x) = a0 - a1 + a2 - ... + ( - 1)n - 1an - 1 比如: f(3214567) = 3 - 2 + 1 - 4 + 5 - 6 + 7 = 4 给定输入输入数据仅一行包括三个整数.l, r, k(0 ≤ l ≤ r ≤ 1018, |…

UVA 825 Walking on the Safe Side(记忆化搜索)

Walking on the Safe Side Square City is a very easy place for people to walk around. The two-way streets run North-South or East-West dividing the city into regular blocks. Most street intersections are safe for pedestrians to cross. In some of th…

UVA - 10118Free Candies（记忆化搜索）

题目:UVA - 10118Free Candies(记忆化搜索) 题目大意:给你四堆糖果,每一个糖果都有颜色.每次你都仅仅能拿随意一堆最上面的糖果,放到自己的篮子里.假设有两个糖果颜色同样的话,就行将这对糖果放进自己的口袋.自己的篮子最多仅仅能装5个糖果,假设满了,游戏就结束了.问你可以得到的最多的糖果对数. 解题思路:这题想了好久,好不easy把状态想对了,结果脑子发热,又偏离了方向.dp[a][b][c][d]:四堆糖果如今在最上面的是哪一个.由于以下的糖果假设确定了,那么接下了无论你怎么…

HDU 1331 Function Run Fun（记忆化搜索）

Problem Description We all love recursion! Don't we? Consider a three-parameter recursive function w(a, b, c): if a <= 0 or b <= 0 or c <= 0, then w(a, b, c) returns:1 if a > 20 or b > 20 or c > 20, then w(a, b, c) returns:w(20, 20, 20)…

ural 1698. Square Country 5（记忆化搜索）

1698. Square Country 5 Time limit: 2.0 secondMemory limit: 64 MB The first arithmetical operation taught to the children of the Square country is the calculation of squares of positive integers. At the first lesson the children are provided with “eas…