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Leetcode#121 Best Time to Buy and Sell Stock
原题地址Best Time to Buy and Sell Stock III(参见这篇文章)的简化版迭代法求最大利润。当然是在峰值卖出,在低谷买进利润最大了。所以从后向前遍历所有价格,如果当前价格比之前的峰值价格还高,更新峰值价格,否则就用峰值价格减去当前价格看看利润多少。代码: 1 int ma...
分类:其他好文   时间:2015-01-30 17:22:44    阅读次数:125
Leetcode#122 Best Time to Buy and Sell Stock II
原题地址如果不限交易次数,把所有递增序列差值求和即可。代码: 1 int maxProfit(vector &prices) { 2 if (prices.empty()) 3 return 0; 4 5 int profi...
分类:其他好文   时间:2015-01-30 16:54:46    阅读次数:129
122.Best Time to Buy and Sell Stock II
Say you have an array for which the ith element isthe price of a given stock on day i. Design an algorithm to find the maximum profit. You may complete as manytransactions as you like (ie, buy one an...
分类:其他好文   时间:2015-01-30 09:11:13    阅读次数:176
Good Luck in CET-4 Everybody!(sg函数模板)
Good Luck in CET-4 Everybody! Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 5815    Accepted Submission(s): 3759 Problem Description...
分类:其他好文   时间:2015-01-30 09:05:09    阅读次数:172
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 complete at most two transactions. 注意 You may n...
分类:其他好文   时间:2015-01-28 14:47:27    阅读次数:197
Best Time to Buy and Sell Stock II
本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/43155725 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 as many tr...
分类:其他好文   时间:2015-01-26 22:57:31    阅读次数:180
Crazy Shopping(拓扑排序+完全背包)
Crazy Shopping(拓扑排序+完全背包)Because of the 90th anniversary of theCoherent & Cute Patchouli(C.C.P),Kawashiro Nitoridecides to buy a lot of rare things to...
分类:编程语言   时间:2015-01-26 20:57:38    阅读次数:220
Best Time to Buy and Sell Stock III Leetcode Python
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: You may not eng...
分类:编程语言   时间:2015-01-26 13:45:27    阅读次数:200
POJ 2828 Buy Tickets
题意就是 给出一段插入,求出最后的序列。 做到n*logn基本都能过。 我用线段树做的。不过开始没想到怎么解决插入顺序问题,只知道存一个数组表示当前可以插入几个数。 后来ACdream群给了解答。每次update的时候,如果left的插入数大于插入就继续,否者就走right,并且将插入改为插入-left的插入数。 //PS 其实,觉得SBT应该能做的。 #include ...
分类:其他好文   时间:2015-01-26 13:45:03    阅读次数:177
Best Time to Buy and Sell Stock III
https://oj.leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/Say you have an array for which theithelement is the price of a given stock on da...
分类:其他好文   时间:2015-01-25 22:12:13    阅读次数:201
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