题面 有一个长为 N N N 的序列,相邻的两个数中只能选一个,总共选 k k k 个数,一种方案的价值为选的 k k k 个数的和,问所有合法方案的价值总和,答案对 998244353 取模. 1 ≤ N ≤ 3 ⋅ 1 0 5 , 1 ≤ k ≤ ⌈ N 2 ⌉ 1\leq N\leq 3\cdot10^5~,~1\leq k\leq \left\lceil \frac{N}{2} \right\rceil 1≤N≤3⋅105 , 1≤k≤⌈2N​⌉. 题解 把每个数的贡献拆开求,答案就是…

17995 Stupid thief 时间限制:1000MS  内存限制:65535K提交次数:0 通过次数:0 题型: 编程题   语言: 不限定 Description A stupid thief has just discovered the treasure in a cave. There are N bottles filled with gold coins. Because of darkness, he can't see the exact number of coins…

记录在linux下的windows生活 本篇内容涉及QQ.微信.Office的安装配置 QQ: 到deepin下载轻聊版. 如果安装了crossover,那么将其中opt/cxoffice/support下的文件夹解压到/opt/cxoffice/support下,crossover最好也是安装在/opt/cxoffice.打开crossover即可看到该已发布容器. 因为解压出来的是一个wineprefix,所以可以用wine来执行,推荐使用PlayOnLinux. 字体问题,由于缺少字体导致…

在桌面新建qq.desktop文件,添加以下内容 #!/usr/bin/env xdg-open[Desktop Entry]Comment=QQTerminal=falseName=QQExec=wine64 /home/leinuo/.wine/drive_c/Program\\ Files\\ (x86)/Tencent/QQLite/Bin/QQ.exeType=ApplicationIcon= /home/leinuo/icon/QQ34.png 安装qq之后无法输入帐号的问题,win…

官网:https://www.winehq.org/ 参考: wikipedia 教你使用Wine在Linux上运行Windows软件 如何安装和使用Wine,以便在Linux上运行Windows应用程序? Ubuntu13.04(64bit)下用Wine安装百度云.360云.微云 一.简介 Wine是一个在x86.x86-64上容许类Unix操作系统在X Window System下运行Microsoft Windows程序的软件.另一方面,计算机程序设计师能经由Wine的程序库将视窗的程序转…

E. Thief in a Shop time limit per test 5 seconds memory limit per test 512 megabytes input standard input output standard output A thief made his way to a shop. As usual he has his lucky knapsack with him. The knapsack can contain k objects. There ar…

1.添加PPA sudo add-apt-repository ppa:ubuntu-wine/ppa 2.更新列表 sudo apt-get update 3.安装Wine sudo apt-get install wine1.8 winetricks 为了避免错误大家可以使用以下命令 sudo apt-get update Ubuntu 13.10 编译安装Wine 1.7 http://www.linuxidc.com/Linux/2013-10/91667.htm Windows 7下硬…

题目 Source http://codeforces.com/contest/632/problem/E Description A thief made his way to a shop. As usual he has his lucky knapsack with him. The knapsack can contain k objects. There are n kinds of products in the shop and an infinite number of pro…

1. 下载安装包 Wine的中文官网可以下载到最新稳定和开发版本的Wine安装包,根据不同需求可以自行下载 2. 解压安装包,编译前检查 根据不同的平台选择不同的编译选项: For 32-Bit Systems: # ./configure For 64-Bit Systems: # ./configure --enable-win64 在configure可能会出现如下错误: 1)configure: error: no suitable flex found. Please install…

sudo dpkg --add-architecture i386 sudo add-apt-repository ppa:wine/wine-buildssudo apt-get update sudo apt-get install --install-recommends winehq-devel这一步下载较慢winecfg11111111111111111 https://wiki.winehq.org/Winetrickshttps://wiki.winehq.org/Monohttp…