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[LeetCode][Java] Best Time to Buy and Sell Stock IV
题目: Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may complete at most k transactions. Note: Y...
分类:编程语言   时间:2015-07-26 15:56:12    阅读次数:142
[LeetCOde][Java] Best Time to Buy and Sell Stock III
题目: Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may complete at most two transactions. Note: ...
分类:编程语言   时间:2015-07-26 15:53:12    阅读次数:155
Poj 2479 Maximum sum【双向DP/最大连续和】
题意:给定一个长度为N的数组,求两个连续的子序列,使得两个连续子序列的和最大。 分析:乍一看,跟最大连续和有点类似,但是,又有区别,因为对于这个题,考虑第i项两个连续子序列的最大和,不能仅仅由前i-1项递推得出,第i项两个连续子序列的最大和,与前i项和i以后的之间是存在关系的,因此这个题目是一个双向dp。 假如给定的序列为a0, a1, a2, a3, a4, ...... ,an,那么,对于...
分类:其他好文   时间:2015-07-26 11:15:59    阅读次数:144
POJ - 3264 Balanced Lineup (RMQ问题求区间最值)
RMQ (Range Minimum/Maximum Query)问题是指:对于长度为n的数列A,回答若干询问RMQ(A,i,j)(i,j<=n),返回数列A中下标在i,j里的最小(大)值,也就是说,RMQ问题是指求区间最值的问题。...
分类:其他好文   时间:2015-07-25 21:37:41    阅读次数:125
Maximum sum-动态规划
A - Maximum sum Time Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 2479 Description Given a set of n integers: A={a1, a2,..., a...
分类:其他好文   时间:2015-07-25 18:29:19    阅读次数:165
[leedcode 123] Best Time to Buy and Sell Stock III
Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a...
分类:其他好文   时间:2015-07-24 20:41:53    阅读次数:82
Running multiple instances of Xamarin Studio on a Mac
I love developing software on my MacBook Air! I got the latest version with the maximum possible specifications (i7, 8GB internal mem, 512GBSSD disk) ...
分类:系统相关   时间:2015-07-24 12:31:18    阅读次数:221
Best time to buy and sell stocks IV
题目https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/ Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum...
分类:其他好文   时间:2015-07-24 09:22:28    阅读次数:125
[Leetcode]-Maximum Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [?2,1,?3,4,?1,2,1,?5,4], the contiguous subarray [4,?1,2,1] has the...
分类:其他好文   时间:2015-07-22 20:58:27    阅读次数:127
UVa 11059 Maximum Product
water~数据不大,枚举首尾即可,也不用高精度。代码如下:#includeint main() { int kase(0), n; while (scanf("%d", &n) == 1) { int s[20]; for (int i = 0; i != n; ++i) scanf("%d", ...
分类:其他好文   时间:2015-07-22 13:01:41    阅读次数:127
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