From d9a9164d21da4ad9527ab7ac14763a5f04499e82 Mon Sep 17 00:00:00 2001
From: Zengtudor <Zengtudor@outlook.com>
Date: Mon, 25 Aug 2025 11:27:39 +0800
Subject: [PATCH] update

---
 src/test.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/test.cpp b/src/test.cpp
index 7af0f17..e1ca8b6 100644
--- a/src/test.cpp
+++ b/src/test.cpp
@@ -3,7 +3,7 @@ using namespace std;
 
 class Solution {
 public:
-    vector<int> findDiagonalOrder(vector<vector<int>>& m) {
+    vector<int> findDiagonalOrder(const vector<vector<int>>& m) {
         int x=0,y=0;
         bool isup=true;
         vector<int> res;