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  • 2021年兰州市中考录取分数线(兰州)2021-03-14 17:35:14

    2021年兰州市中考录取分数线,将于7月中下旬公布!请考生家长注意收藏  进入查看:2021年兰州市中考录取分数线 阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。 Teach Children the Value of Money As we're moving towards a more cashless so

  • Note 5: Buy food2021-03-14 07:01:06

    1 The price is the price when buying 2 items in a group. It means, the price goes down today, but you have to buy 2 as a group to enjoy this price.   2 grocery Most of the food are included in this big item. It does not mean the "trival and not impor

  • 【leetcode 动态规划 C++】309. Best Time to Buy and Sell Stock with Cooldown2021-02-27 21:57:49

    309. Best Time to Buy and Sell Stock with Cooldown class Solution { public: int maxProfit(vector<int>& prices) { if(prices.size() < 2) return 0; vector<int> buy(prices.size(), 0); vector<int> sell(pric

  • 97.98.99.1002021-02-27 09:03:43

    第九十七题:阳阳买苹果,每个苹果0.8元,阳阳第一天买两个,第二天开始每天买前一天的两倍,直到购买的苹果个数为不超过100的最大值,编程求阳阳每天平均花多少钱 #include"stdio.h" main() { int day=0,buy=2; float sum=0.0,ave; do { sum+=0.8*buy;

  • 1092 To Buy or Not to Buy (20 分)2021-02-17 19:01:51

    水题~。 注意:商店每串珠子都不拆开售卖,只能整串购买。 map<char,int> mpa,mpb; string a,b; int main() { cin>>a>>b; for(auto t:a) mpa[t]++; for(auto t:b) mpb[t]++; int buy=0,miss=0; for(auto t:mpb) { if(t.se > mpa[t.fi])

  • 【BigInteger】 Buy the Ticket2021-02-14 09:01:34

    传送门 题意 假设电影院只有一个售票处,而每张票的价格是 \(50\) 美元。购票队列由 \(m + n\) 人组成(\(m\) 人每人只有 \(50\) 美元的钞票,\(n\) 人每人只有 \(100\) 美元的钞票)。 现在,您的问题是要计算从第一人到最后一个人不会停止购买过程的排队方式的数量。 注意:最初,售票处没有

  • |hash 散列字符串 要|1092 To Buy or Not to Buy (20分)2021-01-21 20:00:21

    link #include <string> #include <iostream> using namespace std; int const MAXN = 100010; int hashTable[MAXN] = { 0 }; int miss = 0; int main() { string s1, s2; getline(cin, s1); getline(cin, s2); for (int i = 0; i < s1.length(); i++)

  • A1092 To Buy or Not to Buy (20分)2021-01-17 15:33:04

    思路如下 /* 伪码 */ //1. 读入 shop_owner 拥有的小球并记录哈希值 while (ch = scanf()) hash_val(ch)++; //2. 读入 eva 拥有的小球并进行相应处理 while (ch = scanf()) { hash_val(ch)--; if (shop_owner 还有小球) 记录 eva 拿走了几个 else 记录 s

  • Supermarket(CodeForces - 919A)2021-01-16 23:57:35

    Supermarket We often go to supermarkets to buy some fruits or vegetables, and on the tag there prints the price for a kilo. But in some supermarkets, when asked how much the items are, the clerk will say that a yuan for b kilos (You don’t need to care a

  • Where can I buy a fake university diploma for jobs?2021-01-16 14:33:16

    We offer the best quality fake diplomas, fake passports, fake ID cards, fake visa stickers, fake driving licences, fake resident permit cards. We have your identification needs covered, Our fake IDs include all security features such as genuine holograms

  • [图解LeetCode Hot100]股票问题2021-01-09 23:01:03

    股票问题在Hot100里有两道,分有冷冻期和没冷冻期两种 没有冷冻期 题目 给定一个数组,它的第 i 个元素是一支给定股票第 i 天的价格。如果你最多只允许完成一笔交易(即买入和卖出一支股票一次),设计一个算法来计算你所能获取的最大利润。注意:你不能在买入股票前卖出股票。

  • LeetCode:123. Best Time to Buy and Sell Stock III买卖股票的最佳时机 III(C语言)2021-01-09 10:29:35

    题目描述: 给定一个数组,它的第 i 个元素是一支给定的股票在第 i 天的价格。 设计一个算法来计算你所能获取的最大利润。你最多可以完成 两笔 交易。 注意:你不能同时参与多笔交易(你必须在再次购买前出售掉之前的股票)。 示例 1: 输入:prices = [3,3,5,0,0,3,1,4] 输出:6 解释:在第

  • mq5 EA模板及双均线金叉死叉买卖EAdemo2021-01-04 14:01:49

    //+------------------------------------------------------------------+ //| mt5_ea_demo.mq5 | //| Copyright 吕海洋 QQ交流群:157528427| //| https://www.

  • Leetcode刷题笔记 188.买卖股票的最佳时机IV2020-12-28 12:59:10

    188.买卖股票的最佳时机IV 时间:2020年12月28日 知识点:动态规划 题目链接:https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iv/ 题目 给定一个整数数组 prices ,它的第 i 个元素 prices[i] 是一支给定的股票在第 i 天的价格。 设计一个算法来计算你所能

  • leetcode_best-time-to-buy-and-sell-stock-ii2020-12-25 23:05:33

    题目链接 https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/ 题目内容 给定一个数组,它的第 i 个元素是一支给定股票第 i 天的价格。 设计一个算法来计算你所能获取的最大利润。你可以尽可能地完成更多的交易(多次买卖一支股票)。 注意:你不能同时参与多笔

  • time模块训练:打印出某网店每天累计的购物次数2020-12-24 17:31:58

    首先先介绍一下字典遍历键值对:使用 dict.items() nums = {'2019-04-23': 41, '2019-05-02': 94, '2019-04-25': 80, '2019-05-04': 86, '2019-05-01': 90, '2019-05-03': 84, '2019-05-05': 10, '2019-04-28

  • leetcode:出售股票的最佳时间2020-12-19 12:32:34

    Say you have an array for which the i(th) element is the price of a given stock on day i. If you were only permitted to complete at most one transaction(i.e,buy one and sell one share of the stock),design an algorithm to find the maximum profit. Note that

  • LC121-买卖股票的最佳时机2020-12-16 16:32:17

    121. 买卖股票的最佳时机 难度简单1344 给定一个数组,它的第 i 个元素是一支给定股票第 i 天的价格。 如果你最多只允许完成一笔交易(即买入和卖出一支股票一次),设计一个算法来计算你所能获取的最大利润。 注意:你不能在买入股票前卖出股票。 示例 1: 输入: [7,1,5,3,6,4] 输出:

  • 极客时间算法课笔记整理9——理论讲解+面试题实战:贪心算法2020-11-30 21:59:30

    贪心算法 面试题 122. Best Time to Buy and Sell Stock II 我的方法:flag记录该买还是该卖,判断不同拐点的状态。模拟了真实的操作,但不是本题条件下的最简单的想法 class Solution { public int maxProfit(int[] prices) { int day = prices.length; b

  • 【线段树】poj 2828 Buy Tickets2020-11-30 13:01:22

    Buy Tickets Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 28643   Accepted: 13533 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

  • 【LeetCode】188. Best Time to Buy and Sell Stock IV 买卖股票的最佳时机 IV(Hard)(JAVA)2020-11-28 09:59:52

    【LeetCode】188. Best Time to Buy and Sell Stock IV 买卖股票的最佳时机 IV(Hard)(JAVA) 题目地址: https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/ 题目描述: You are given an integer array prices where prices[i] is the price of a given stock o

  • 知识图谱-用python操纵neo4j数据库-以高速收费站记录为例2020-11-23 13:29:15

    1.数据 首先我们来看看数据是什么样子的 这个数据实际上能做很多事情,但是本文主要重点主要是弄懂如何用python来建立neo4j数据库中的结点和关系,以后换了场景只需要在本文代码上结合neo4j官方文档进行修改即可。 2.环境 python3.8 neo4j.4.1.3 所需库: pip install py2no ==5

  • 0188. Best Time to Buy and Sell Stock IV (H)2020-10-18 21:31:25

    Best Time to Buy and Sell Stock IV (H) 题目 You are given an integer array prices where prices[i] is the price of a given stock on the ith day. Design an algorithm to find the maximum profit. You may complete at most k transactions. Notice that you may not

  • POJ2828 Buy Tickets(线段树二分)2020-10-15 08:02:36

    题目链接 题目大意   有n个人,依次给出这n个人进入队列时前面有多少人p[i],和它的权值v[i],求最终队列的权值序列。 解题思路   用线段树维护一个数组,最初全是1,代表每个位置有没有人。从后往前推,最后一个人的位置肯定是他最终的位置,然后把他删去,那么消去了最后一个人的影响,倒

  • [LeetCode] 309. Best Time to Buy and Sell Stock with Cooldown2020-09-21 06:01:12

    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 transactions as you like (ie, buy one and sell one share of the stock multiple times) with the

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