hljs.

vite.config.ts

@@ -7,6 +7,8 @@ import { NaiveUiResolver } from "unplugin-vue-components/resolvers"
 import IconsResolver from "unplugin-icons/resolver"
 import Icons from "unplugin-icons/vite"
 import Markdown from "vite-plugin-vue-markdown"
+import Highlight from "markdown-it-highlightjs"
+import c from "highlight.js/lib/languages/c"
 
 const url = "https://ojtest.hyyz.izhai.net"
 const proxyConfig = {
@@ -52,7 +54,15 @@ export default defineConfig({
       dts: "./src/components.d.ts",
     }),
     Icons({ autoInstall: true }),
-    Markdown(),
+    Markdown({
+      markdownItSetup(md) {
+        md.use(Highlight, {
+          register: {
+            c,
+          },
+        })
+      },
+    }),
   ],
   server: {
     proxy: {