【codeforces 810B】Summer sell-off 【题目链接】:http://codeforces.com/contest/810/problem/B 【题意】 每天有ki件物品,你知道每天能卖掉li件; 然后让你选f天; 这f天,可以将ki乘上2; 每天结束之后物品清空; 问你最多能卖多少件物品; 【题解】 先算出来不用f天的乘2效果; 卖出的物品数目; 然后考虑...
codeforce 810B Summer sell-off (贪心 排序) 题意: 商店准备用n天售货(每天的货物都是一样的),第i天会卖ki件货物,并且会有li个顾客来买。 如果货物没卖完, 那么每个顾客一定会买一件。 如果货物有剩, 不会保存到第二天。 现在给定一个f, 说明f天商店会双倍进货, 求哪几天选为f天商店售货最多。 ...
For advertising purposes manager offered to start a sell-out in the shop. He asked Noora to choose anyfdays fromnnext for sell-outs. On each offchosen days the number of products were put up for sale would be doubled. Thus, if oni-th day shop planned to put up for salekiproducts a...
E - Summer sell-off 贪心价值 传送门 思维:这个题思想就是贪心,获得局部最大然后达到总体最大。我们假设每天都存2倍的货,再与原来的比较,那么我们只要找出增值大的数即可。增值大的数即为最优选择。 #include<algorithm> #include<iostream> usingnamespacestd; structnode { longlongnum,cp; long...
Is this the beginning of a summer selloff? 来自 EBSCO 喜欢 0 阅读量: 7 作者: K Mahoney 摘要: The article focuses on the impact of the U.S. Federal Reserve's policy on the equity markets. Fed Chairman Ben Bernanke's announcement regarding their plans to scale back monetary stimulus ...
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一般在动词give, tell, sell, lend, show之后加to。在动词buy, make, get等之后加for。例如:Would you lend me your dictionary, please? =Would you lend your dictionary to me, please?Tom’s mother bought him a pair of new shoes. =Tom’s mother bought a pair of new shoes for him.(5)...
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Holidays are some of the best days to run sales and special promotions. Customers get a day off and a lot of them take this time to shop or spend time outside. Whether you run holiday-themed sales or sell holiday-specific items, consider planning for each of the summer holidays, includin...