Update interval.md

修正了Markdown 格式错误，添加了两道习题

diff --git a/docs/dp/interval.md b/docs/dp/interval.md
index 50471b3..fcb5a7d 100644 (file)
--- a/docs/dp/interval.md
+++ b/docs/dp/interval.md
@@ -1,4 +1,4 @@
-By (hsfzLZH1)[https://github.com/hsfzLZH1]\r
+By [hsfzLZH1](https://github.com/hsfzLZH1)\r
 \r
 ## 什么是区间DP？\r
 \r
@@ -50,6 +50,10 @@ for(len=1;len<=n;len++)
 \r
 ## 几道练习题\r
 \r
+[luogu T2027 蜈蚣](https://www.luogu.org/problemnew/show/T2027)\r
+\r
 [luogu P1063 能量项链](https://www.luogu.org/problemnew/show/P1063)\r
 \r
-[luogu P1005 矩阵取数游戏](https://www.luogu.org/problemnew/show/P1005#sub)\r
+[luogu P1005 矩阵取数游戏](https://www.luogu.org/problemnew/show/P1005)\r
+\r
+[luogu P4767 [IOI2000]邮局](https://www.luogu.org/problemnew/show/P4767)\r