Update geolocation-cn

clang-with-gcc · web-flow · commit 62592ea80ec7 · 2022-08-26T12:23:09.000+08:00
diff --git a/data/geolocation-cn b/data/geolocation-cn
@@ -213,6 +213,7 @@ include:tipdm
 include:xueyuanjun
 
 # 信息学
+include:51nod
 acwing.com
 hihocoder.com
 jisuanke.com
