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java总结文章
java总结文章原创地址:http://www.cnblogs.com/Alandre/(泥沙砖瓦浆木匠),须要转载的,保留下! ThanksTalk is cheap. Show me the code.Written In The Font 图能抵过一切,喜欢咖啡喜欢...
分类:编程语言   时间:2014-10-06 22:40:41    阅读次数:173
Leetcode: Best Time to Buy and Sell Stock III
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 complet...
分类:其他好文   时间:2014-10-06 14:52:50    阅读次数:220
HDU2149-Good Luck in CET-4 Everybody!(博弈,打表找规律)
Good Luck in CET-4 Everybody!Time Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4762Accepted Submissi...
分类:其他好文   时间:2014-10-05 13:21:58    阅读次数:173
POJ 2828 线段树单点更新 离线搞
Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New Year was approaching, but unluckily the Little ...
分类:其他好文   时间:2014-10-05 01:33:37    阅读次数:349
zoj 2949 - Coins of Luck
题目:有2中面条各n碗,每次抛硬币判断吃哪一种(到一种吃完为止),问抛硬币的数学期望。 分析:动态规划,概率dp。求出每种结束状态(即,有一种吃完)的概率,分别乘以步长即为期望。              大黄解法:状态位剩余的碗数,逆向求解,状态方程:                 DP[ i ][ j ] = (DP[ i-1 ][ j ]+DP[ i ][ j-1 ])/2 + 1 ...
分类:其他好文   时间:2014-10-04 21:41:47    阅读次数:193
mac 查看python路径
1,terminal :  input: which python 2,  terminal: input : python  --->import sys  ----> print sys.path ok! good luck!!...
分类:编程语言   时间:2014-10-04 18:15:57    阅读次数:185
Leetcode:best_time_to_buy_and_sell_stock_II题解
假设你有一个数组,它的第i个元素是一个股票在一天的价格。 设计一个算法,找出最大的利润。...
分类:其他好文   时间:2014-10-04 16:57:46    阅读次数:122
《机器学习实战》菜鸟学习笔记(三)决策树
老规矩,Talk is cheap, show me your code.#-*-coding:utf-8-*-from math import logdef calcShannonEnt(datsSet): #长度 numEntries = len(dataSet) #字典统计 ...
分类:其他好文   时间:2014-10-04 14:58:46    阅读次数:218
Best Time to Buy and Sell Stock III
题目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...
分类:其他好文   时间:2014-10-03 13:37:34    阅读次数:225
HDU-2844-Coins(多重背包)
Problem Description Whuacmers use coins.They have coins of value A1,A2,A3...An Silverland dollar. One day Hibix opened purse and found there were some coins. He decided to buy a very nice watch in ...
分类:其他好文   时间:2014-10-03 02:05:13    阅读次数:356
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