一般做网站图是多大的像素/网站网络推广优化

两年半未见，甚是想念
给大家带来有趣的$\text{KATEX}$，可以放在洛谷主页

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1

$\text{1 \#include <bits/stdc++.h>}$
$\text{2 using namespace std;}$
$\text{3 int main()}$
$\text{4 {}$
$\text{5 unsigned long long rp=0;}$
$\text{6 --rp;}$
$\text{7 cout << "rp=" << rp << endl;}$
$\text{8 return 0;}$
$\text{9 }}$

$\texttt{1 \color{orange}\#include <bits/stdc++.h>}$  
$\texttt{2 \color{pink}using\color{blue} namespace \color{green}std\color{black};}$  
$\texttt{3 \color{blue}int \color{orange}main\color{black}()}$  
$\texttt{4 \{}$  
$\texttt{5 \qquad \color{blue}unsigned long long \color{lightblue}rp\color{black}=\color{green}0\color{black};}$  
$\texttt{6 \qquad -\,-\color{lightblue}rp\color{black};}$  
$\texttt{7 \qquad \color{lightblue}cout \color{orange}<< \color{green}"rp=" \color{orange}<< \color{lightblue}rp \color{orange}<< \color{lightblue}endl\color{black};}$  
$\texttt{8 \qquad \color{pink}return \color{green}0\color{black};}$  
$\texttt{9 \}}$

2

$$\mathbb{W}elcometothe蒟蒻の主页!$$

$${\color{cyan}{\Bbb Welcome \;}} {\color{#52C410}\Bbb to\;} {\color{orange}\Bbb the\;} {\color{#0E90D2}\ 蒟蒻の主页!}$$

3

$$\text{本}{\text{人}}_{{\text{的}}^{\text{萌新}\text{QAQ}}}^{\text{是}\text{刚学}\text{OI}}{\text{但是}}_{\text{是这样}}^{\text{即}\text{使}}{\text{我也}}_{\text{声音大声喊出}}^{\text{要}\text{用}{\text{蒟}}_{\text{蒻}\text{的}}}\text{IOI AK I}$$

$$\textcolor{green}{\small\text{\color{#ff0000}{\texttt{本}}}\huge\text{\color{#ff0000}{人}}_{\small\text{\color{#aa5500}{\texttt{的}}}^{\large\text{\color{#996600}{萌}\color{#996600}{新}}\small\texttt{\color{#887700}{Q}\color{#778800}{A}\color{#669900}{Q}}}}^{\large\text{\color{#ee1100}{是}}{\small\texttt{\color{#dd2200}{刚}\color{#cc3300}{学}}\large\texttt{\color{#cc3300}{O}\color{#bb4400}{I}}}}\huge\text{\color{#55aa00}{但}\color{#55aa00}{是}}^{\large\text{\color{#44bb00}{即}}{\small\text{\color{#33cc00}{使}}}}_{\normalsize\text{\color{#22dd00}{是}\color{#22dd00}{这}\color{#11ee00}{样}}}\text{\color{#00ff00}{我}\color{#00ee11}{也}}^{\small\text{\color{#00dd22}{要}}\normalsize\texttt{\color{#00dd22}{用}}\texttt{\color{#00cc33}{蒟}}_{\texttt{\color{#00bb44}{蒻}}\large\texttt{\color{#00aa55}{的}}}}_{\scriptsize\texttt{\color{#00aa55}{声}\color{#009966}{音}\color{#008877}{大}\color{#007788}{声}\color{#006699}{喊}\color{#006699}{出}}}\texttt{\color{#0055aa}{I}\color{#0044bb}{O}\color{#0033cc}{I} \color{#0033cc}{A}\color{#0022dd}{K} \color{#0011ee}{I}}}$$

4

$$\text{刮刮乐}$$
$$\boxed{\text{咕值掉光}}\boxed{\text{罚做所有黑题}}\boxed{\text{谢谢参与}}\boxed{\text{咕值-100}}\boxed{\text{再来一次}}$$

$$\colorbox{#0e1d69}{\color{white}\text{刮刮乐}}$$
$$\boxed{\color{white}\text{咕值掉光}}\boxed{\color{white}\text{罚做所有黑题}}\boxed{\color{white}\text{谢谢参与}}\boxed{\color{white}\text{咕值-100}}\boxed{\color{white}\text{再来一次}}$$

5

有关必回！{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\color{white}有关必回！}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

$$
{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{cyan}{\colorbox{blue}{\colorbox{purple}{\color{white}有关必回！}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}$$

6

$$\text{反馈}$$
$$\text{如果你认为某个用户太蒻了，欢迎向洛谷反馈，以帮助更多的同学。 }$$
$$|\text{蒟蒻一只，蒻爆了 ▼}|$$
$$\text{请具体说明理由，以增加反馈的可信度。}$$
$$\boxed{\text{蒻到连A+BProblem也不会| }}$$
$$\text{取消}|\text{确定}$$

$$\text{举报成功，感谢您的反馈}$$

$$\textbf{反馈}$$
$$\text{如果你认为某个用户太蒻了，欢迎向洛谷反馈，以帮助更多的同学。 }$$
$$\colorbox{#3bb4f2}{\color{#3bb4f2}|\color{white}\text{蒟蒻一只，蒻爆了\ \ $\scriptsize\blacktriangledown$}\color{#3bb4f2}|}$$
$$\small\text{请具体说明理由，以增加反馈的可信度。}$$
$$\color{#dedede}\boxed{\color{#000}\text{蒻到连$A+B Problem$也不会|\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ }}$$
$$\small\color{#0e90d2}\text{取消}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \color{#eee}{|}\color{#0e90d2} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{确定} $$$$\small\text{举报成功，感谢您的反馈}$$