From 8ce3927cb69e3dbbe8b3cf451e7175fb6f8b00ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BB=84=E6=B5=B7?= <10402852@qq.com>
Date: Wed, 28 Feb 2024 13:50:57 +0800
Subject: [PATCH] 'commit'

---
 .../ZhongGaoJi/LanQiao14STEMA202303/BC3.cpp         | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/TangDou/LanQiaoBei/ZhongGaoJi/LanQiao14STEMA202303/BC3.cpp b/TangDou/LanQiaoBei/ZhongGaoJi/LanQiao14STEMA202303/BC3.cpp
index 16d8ceb..e4e4835 100644
--- a/TangDou/LanQiaoBei/ZhongGaoJi/LanQiao14STEMA202303/BC3.cpp
+++ b/TangDou/LanQiaoBei/ZhongGaoJi/LanQiao14STEMA202303/BC3.cpp
@@ -14,9 +14,16 @@ int check(int x) {
         if ((res[i] - '0') % 2 == 0) return 0;
 
     // 判断转完的9进制是不是回文数
-    string str = res;
-    reverse(str.begin(), str.end());
-    return str == res;
+    // 方法1
+    // string str = res;
+    // reverse(str.begin(), str.end());
+    // return str == res;
+
+    // 方法2
+    for (int i = 0; i < (res.size() + 1) / 2; i++)
+        if (res[i] != res[res.size() - 1 - i]) return 0;
+
+    return 1;
 }
 int main() {
     int n, m;