September 2022

Original link: https://blog.mayandev.top/2022/09/03/tech/pwa/ The construction of an operation platform that our team is responsible for, with the continuous iteration of the project, the increase of various requirements and functions, there are currently more than hundreds of sub-modules, the problem of slow site loading is gradually emerging, and the relevant indicators tend to deteriorate. The research

Original link: https://www.shuizilong.com/house/archives/summer-of-nova-cat/ https://mp.weixin.qq.com/s/MBB8W0Ws4bI-rPlHADr3Vg This article is reprinted from: https://www.shuizilong.com/house/archives/summer-of-nova-cat/ This site is for inclusion only, and the copyright belongs to the original author.

Original link: https://www.shuizilong.com/house/archives/noi-2022/ https://www.zhihu.com/question/548696144 https://blog.csdn.net/liuzhangfeiabc/article/details/126594264 D1T1 https://www.luogu.com.cn/problem/P8496 This article is reprinted from: https://www.shuizilong.com/house/archives/noi-2022/ This site is for inclusion only, and the copyright belongs to the original author.

Original link: https://www.shuizilong.com/house/archives/luogu-3765/ https://www.luogu.com.cn/problem/P3765 #include <lastweapon/io> #include <bits/stdc++.h> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace lastweapon; #define ls id<<1 #define rs id<<1|1 const int N = int(5e5) + 9; int k,aa[N]; struct xd_node { int l,r; int cnt,num;//Maintain a serial number of cnt and mode like the problem of finding mode}treee[4*N]; struct xd_treee

Original link: https://www.shuizilong.com/house/archives/luogu-3369/ https://www.luogu.com.cn/problem/P3369 #include <lastweapon/io> using namespace lastweapon; namespace SBT { const static int N = int(1e5) + 9; int c[2][N], sz[N], ky[N], tot; #define lc[d] #define rc[!d] #define lx l[x] #define rx r[x] #define kx ky[x] #define sx sz[x] #define d 0 int new_node(int v = 0){ int x=tot++;lx=rx=0; sx=1;kx=v; return x; }