update template

1 files changed, 3 insertions, 2 deletions

diff --git a/2023/tpl.rs b/2023/tpl.rs
index 4be88f8..041681e 100644
--- a/2023/tpl.rs
+++ b/2023/tpl.rs
@@ -1,5 +1,6 @@
 #![allow(dead_code)]
 #![allow(unused_variables)]
+#![allow(unused_mut)]
 use std::fs::File;
 use std::io::Read;
 
@@ -13,8 +14,8 @@ fn main() {
     let lines: Vec<_> = content.trim_end().split('\n').collect();
     println!("{:?}", lines);
 
-    let res1 = 0;
-    let res2 = 0;
+    let mut res1 = 0;
+    let mut res2 = 0;
 
     println!("res1: {}", res1);
     println!("res2: {}", res2);