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python双向队列deque实践与总结
背景 1.什么是双端队列 deque的英文意思是Double-Ended Queue，deque是为了在两端高效实现插入和删除操作的双向列表，适合用于队列和栈：deque除了实现list的append()和pop()外，还支持appendleft()和popleft()，这样就可以非常高效地往头部或者尾部添加或删除元素 基本概念 与常见的listDemonstration(CodeForces-191B)【贪心】
题目链接：https://vjudge.net/problem/CodeForces-191B 题意：过于繁琐，略 思路：真·神级贪心题 首先我们可以想到的是，为了在k天内选到最靠前的城市，我们要想办法在前k-1天挑选尽可能贵的城市，为第k天奠定基础。 先对前n-1个城市的举办活动价值排序，对前k大的求和得到sum，接下来：如何上传自己的npm包和安装上传的npm包并使用
第一步： 首先我们去npm官网注册一个账号。 如果你的username一直不能注册成功，可以在你的username前面加一个~，就可以注册成功了。 第二步： 1.新建一个项目 2.生成package.json文件 npm init package name: (testpublish) //包名，可更改，也可以使用默认（直接回车） version: (1.About Product Demonstration
原文链接：http://www.cnblogs.com/RelaxTintin/archive/2009/07/24/1529966.html I received a invitation letter from US team about a sprint demonstration. Although I couldn’t join it (it is very early morning of my time :p), I went throughAbout Product Demonstration
I received a invitation letter from US team about a sprint demonstration. Although I couldn’t join it (it is very early morning of my time :p), I went through the mail with detail (I should do this before actually but I missed lots of time) and found theAbout Product Demonstration
I received a invitation letter from US team about a sprint demonstration. Although I couldn’t join it (it is very early morning of my time :p), I went through the mail with detail (I should do this before actually but I missed lots of time) and found the