ural1316 Electronic Auction

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ural1316 Electronic Auction

Electronic Auction Time limit: 0.5 secondMemory limit: 64 MB There is a deficit in cast-iron pigs in the country. They are sold at an electronic auction. Customers make their bids: announce a price at which they are ready to buy a pig. From time to t…

1316. Electronic Auction(树状数组）

1316 我想说要不要这么坑 WA了一个小时啊 ,都快交疯了,拿着题解的代码交都WA 最后很无语的觉得题解都错了重读了N遍题意发现没读错啊难道写题解的那个人和我都想错了?? 最后把g++换个C++交吧就这么A了我#￥#%.. 这个题有要注意的地方 WA6 取整的地方要那样处理(看代码) 具体我也不知道为什么 #include <iostream> #include<cstdio> #include<cstring> #include<algorith…

Electronic oscillator

https://en.wikipedia.org/wiki/Electronic_oscillator An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.[1][2] Oscillators convert direct current (DC) from a po…

Electronic Payment App analysis

Electronic Payment App is getting more and more popular now. People don't have to bring credit cards any more. All they need to do is using their smartphones and they could go shopping, check bills and dining in restaurants. It very convenient but so…

维克里拍卖 Vickrey auction

https://en.wikipedia.org/wiki/Vickrey_auction 维克里拍卖(Vickrey auction),即次价密封投标拍卖(Second-price sealed-bid auction).投标者在不知道其他人标价的情况下递出标单,标价最高的人得标,但只需付次高的标价.虽然维克里拍卖早在1893年就被用在邮票的拍卖上[1],这种拍卖方式在学术上最早是由哥伦比亚大学教授威廉·维克里于1961年提出的[2].这类拍卖在策略上类似英式拍卖,且会让投标者有以实际价值出价…