style: format markdown files with remark-lint

diff --git a/docs/graph/chord.md b/docs/graph/chord.md
index e939792..dc84f2f 100644 (file)
--- a/docs/graph/chord.md
+++ b/docs/graph/chord.md
@@ -274,7 +274,7 @@ for (int i = 1; i <= n; i++)
 
  [P3196\[HNOI2008\]神奇的国度](https://www.luogu.com.cn/problem/P3196) 
 
- [P3852\[TJOI2007\]小朋友](https://www.luogu.com.cn/problem/P3852)
+ [P3852\[TJOI2007\]小朋友](https://www.luogu.com.cn/problem/P3852) 
 
 ## 参考资料
 
@@ -284,4 +284,4 @@ for (int i = 1; i <= n; i++)
 
  [弦图总结 - 租酥雨](https://www.cnblogs.com/zhoushuyu/p/8716935.html) 
 
- [R. E. Tarjan and M. Yannakakis, Simple linear-time algorithms to test chordality of graphs,test acyclicity of hypergraphs,and selectively reduce acyclic hypergraphs, SIAM J. Comput., 13 (1984), pp. 566–579.](https://dl.acm.org/doi/abs/10.1137/0213035)
+ [R. E. Tarjan and M. Yannakakis, Simple linear-time algorithms to test chordality of graphs,test acyclicity of hypergraphs,and selectively reduce acyclic hypergraphs, SIAM J. Comput., 13 (1984), pp. 566–579.](https://dl.acm.org/doi/abs/10.1137/0213035)