链接:https://ac.nowcoder.com/acm/contest/3570/H 来源:牛客网 题目描述 There was a magic necklace. The necklace is made of magical gems numbered 1 through n. Unfortunately, the necklace was accidentally broken yesterday. Every gem was scattered on the ground. Now…
http://blog.csdn.net/songkexin/article/details/1750396 stdafx.h头文件的作用 Standard Application Fram Extend没有函数库,只是定义了一些环境参数,使得编译出来的程序能在32位的操作系统环境下运行. Windows和MFC的include文件都非常大,即使有一个快速的处理程序,编译程序也要花费相当长的时间来完成工作.由于每个.CPP文件都包含相同的include文件,为每个.CPP文件都重复处理这些文件就…