Update docs/search/opt.md

Co-Authored-By: ouuan <1609483441@qq.com>

diff --git a/docs/search/opt.md b/docs/search/opt.md
index 63ada91..d39f5a6 100644 (file)
--- a/docs/search/opt.md
+++ b/docs/search/opt.md
@@ -111,7 +111,7 @@ void dfs(传入数值) {
 
     $1 \leq n \leq  15$
 
-    $1 \leq t_{ik} \leq 10^4$
+    $1 \leq t_{i,k} \leq 10^4$
 
     输入样例：