feat: use mathjax

Author: yanglbme

docs/javascripts/mathjax.js

@@ -0,0 +1,19 @@
+window.MathJax = {
+    tex: {
+        inlineMath: [["\\(", "\\)"], ["$", "$"]],
+        displayMath: [["\\[", "\\]"], ["$$", "$$"]],
+        processEscapes: true,
+        processEnvironments: true
+    },
+    options: {
+        ignoreHtmlClass: ".*|",
+        processHtmlClass: "arithmatex"
+    }
+};
+
+document$.subscribe(() => {
+    MathJax.startup.output.clearCache()
+    MathJax.typesetClear()
+    MathJax.texReset()
+    MathJax.typesetPromise()
+})

docs/lc/1.md

@@ -70,6 +70,20 @@ source: 第 1 场周赛 Q1
 
 时间复杂度 $O(n)$，空间复杂度 $O(n)$。其中 $n$ 是数组 `nums` 的长度。
 
+$$
+f[i] = \max\{f[i], f[j - 1] + mx \times (i - j + 1)\}
+$$
+
+$$
+f[i][j] =
+\begin{cases}
+0 & i = 0 \textit{ or } j = 0 \\
+f[i - 1][j - 1] + 1 & str1[i - 1] = str2[j - 1] \\
+\max(f[i - 1][j], f[i][j - 1]) & str1[i - 1] \neq str2[j - 1]
+\end{cases}
+$$
+
+
 === "Python3"
 
     ```python

mkdocs.yml

@@ -95,6 +95,8 @@ markdown_extensions:
   - pymdownx.superfences
   - pymdownx.tabbed:
       alternate_style: true
+  - pymdownx.arithmatex:
+      generic: true
   - pymdownx.critic
   - pymdownx.caret
   - pymdownx.keys
@@ -108,13 +110,11 @@ markdown_extensions:
 
 
 extra_javascript:
-  - javascripts/katex.js 
-  - https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.16.7/katex.min.js  
-  - https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.16.7/contrib/auto-render.min.js
+  - javascripts/mathjax.js
+  - https://cdn-doocs.oss-cn-shenzhen.aliyuncs.com/npm/mathjax@3/es5/tex-mml-chtml.js
 
 extra_css:
   - stylesheets/extra.css
-  - https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.16.7/katex.min.css
 
 extra:
   generator: false