Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
135587 李明秦 31回文字符串II C++ Compile Error 0 MS 0 KB 2371 2025-11-07 18:00:46

Tests(0/0):

Code:

c++ C++从入门到提高 程序员老王 订阅 1 知识 10 用户提到C++，可能是想了解这门编程语言的基础知识或最新特性，我们可以简单介绍一下。 搜索 “C++ 最新标准 2025” 搜索到17条结果。 您已主动终止 给定一个不超过1000字符长度，由小写英文字母组成的字符串，请判断该字符串是否包含两个字符长度以上的回文字符串，如果有包含回文字符串，请输出Yes，否则，请输出No。 Input 思路概述 要判断一个长度不超过 1000 的小写字母字符串中是否存在长度 ≥ 2 的回文子串，只需检查所有可能的子串是否为回文。 由于字符串长度较短，直接的 O(n²) 检查完全可接受。 实现细节 设字符串长度为 n。 对每个可能的中心位置 i（0 ≤ i < n），分别检查两类回文： 奇数长度：以 i 为中心，向左右扩展，判断 s[l]==s[r]。只要扩展得到的长度 ≥ 2（即 r-l+1 ≥ 2），即可返回 Yes。 偶数长度：以 i 与 i+1 为中心，同样向左右扩展。 若遍历完所有中心仍未找到满足条件的回文子串，输出 No。 复杂度分析 时间复杂度：最坏情况下每个中心的扩展最多遍历整个字符串，整体为 O(n²)，其中 n ≤ 1000，完全可接受。 空间复杂度：仅使用常数级额外空间 O(1)。 参考代码（C++17）‍ #include <bits/stdc++.h> using namespace std; bool hasPalindrome(const string &s) { int n = s.size(); // 奇数长度回文（中心为单个字符） for (int center = 0; center < n; ++center) { int l = center, r = center; while (l >= 0 && r < n && s[l] == s[r]) { if (r - l + 1 >= 2) return true; // 长度≥2的回文 --l; ++r; } } // 偶数长度回文（中心为两个相邻字符） for (int center = 0; center < n - 1; ++center) { int l = center, r = center + 1; while (l >= 0 && r < n && s[l] == s[r]) { if (r - l + 1 >= 2) return true; --l; ++r; } } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); string s; if (cin >> s) { cout << (hasPalindrome(s) ? "Yes" : "No") << '\n'; } return 0; }

Run Info:

Main.cc:3:1: error: stray '\344' in program
 C++从入门到提高
 ^
Main.cc:3:1: error: stray '\273' in program
Main.cc:3:1: error: stray '\216' in program
Main.cc:3:1: error: stray '\345' in program
Main.cc:3:1: error: stray '\205' in program
Main.cc:3:1: error: stray '\245' in program
Main.cc:3:1: error: stray '\351' in program
Main.cc:3:1: error: stray '\227' in program
Main.cc:3:1: error: stray '\250' in program
Main.cc:3:1: error: stray '\345' in program
Main.cc:3:1: error: stray '\210' in program
Main.cc:3:1: error: stray '\260' in program
Main.cc:3:1: error: stray '\346' in program
Main.cc:3:1: error: stray '\217' in program
Main.cc:3:1: error: stray '\220' in program
Main.cc:3:1: error: stray '\351' in program
Main.cc:3:1: error: stray '\253' in program
Main.cc:3:1: error: stray '\230' in program
Main.cc:5:1: error: stray '\347' in program
 程序员老王
 ^
Main.cc:5:1: error: stray '\250' in program
Main.cc:5:1: error: stray '\213' in program
Main.cc:5:1: error: stray '\345' in program
Main.cc:5:1: error: stray '\272' in program
Main.cc:5:1: error: stray '\217' in program
Main.cc:5:1: error: stray '\345' in program
Main.cc:5:1: error: stray '\221' in program
Main.cc:5:1: error: stray '\230' in program
Main.cc:5:1: error: stray '\350' in program
Main.cc:5:1: error: stray '\200' in program
Main.cc:5:1: error: stray '\201' in program
Main.cc:5:1: error: stray '\347' in program
Main.cc:5:1: error: stray '\216' in program
Main.cc:5:1: error: stray '\213' in program
Main.cc:6:1: error: stray '\350' in program
 订阅 1
 ^
Main.cc:6:1: error: stray '\256' in program
Main.cc:6:1: error: stray '\242' in program
Main.cc:6:1: error: stray '\351' in program
Main.cc:6:1: error: stray '\230' in program
Main.cc:6:1: error: stray '\205' in program
Main.cc:7:1: error: stray '\347' in program
 知识 10
 ^
Main.cc:7:1: error: stray '\237' in program
Main.cc:7:1: error: stray '\245' in program
Main.cc:7:1: error: stray '\350' in program
Main.cc:7:1: error: stray '\257' in program
Main.cc:7:1: error: stray '\206' in program
Main.cc:8:1: error: stray '\347' in program
 用户提到C++，可能是想了解这门编程语言的基础知识或最新特性，我们可以简单介绍一下。
 ^
Main.cc:8:1: error: stray '\224' in program
Main.cc:8:1: error: stray '\250' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\210' in program
Main.cc:8:1: error: stray '\267' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\217' in program
Main.cc:8:1: error: stray '\220' in program
Main.cc:8:1: error: stray '\345' in program
Main.cc:8:1: error: stray '\210' in program
Main.cc:8:1: error: stray '\260' in program
Main.cc:8:1: error: stray '\357' in program
Main.cc:8:1: error: stray '\274' in program
Main.cc:8:1: error: stray '\214' in program
Main.cc:8:1: error: stray '\345' in program
Main.cc:8:1: error: stray '\217' in program
Main.cc:8:1: error: stray '\257' in program
Main.cc:8:1: error: stray '\350' in program
Main.cc:8:1: error: stray '\203' in program
Main.cc:8:1: error: stray '\275' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\230' in program
Main.cc:8:1: error: stray '\257' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\203' in program
Main.cc:8:1: error: stray '\263' in program
Main.cc:8:1: error: stray '\344' in program
Main.cc:8:1: error: stray '\272' in program
Main.cc:8:1: error: stray '\206' in program
Main.cc:8:1: error: stray '\350' in program
Main.cc:8:1: error: stray '\247' in program
Main.cc:8:1: error: stray '\243' in program
Main.cc:8:1: error: stray '\350' in program
Main.cc:8:1: error: stray '\277' in program
Main.cc:8:1: error: stray '\231' in program
Main.cc:8:1: error: stray '\351' in program
Main.cc:8:1: error: stray '\227' in program
Main.cc:8:1: error: stray '\250' in program
Main.cc:8:1: error: stray '\347' in program
Main.cc:8:1: error: stray '\274' in program
Main.cc:8:1: error: stray '\226' in program
Main.cc:8:1: error: stray '\347' in program
Main.cc:8:1: error: stray '\250' in program
Main.cc:8:1: error: stray '\213' in program
Main.cc:8:1: error: stray '\350' in program
Main.cc:8:1: error: stray '\257' in program
Main.cc:8:1: error: stray '\255' in program
Main.cc:8:1: error: stray '\350' in program
Main.cc:8:1: error: stray '\250' in program
Main.cc:8:1: error: stray '\200' in program
Main.cc:8:1: error: stray '\347' in program
Main.cc:8:1: error: stray '\232' in program
Main.cc:8:1: error: stray '\204' in program
Main.cc:8:1: error: stray '\345' in program
Main.cc:8:1: error: stray '\237' in program
Main.cc:8:1: error: stray '\272' in program
Main.cc:8:1: error: stray '\347' in program
Main.cc:8:1: error: stray '\241' in program
Main.cc:8:1: error: stray '\200' in program
Main.cc:8:1: error: stray '\347' in program
Main.cc:8:1: error: stray '\237' in program
Main.cc:8:1: error: stray '\245' in program
Main.cc:8:1: error: stray '\350' in program
Main.cc:8:1: error: stray '\257' in program
Main.cc:8:1: error: stray '\206' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\210' in program
Main.cc:8:1: error: stray '\226' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\234' in program
Main.cc:8:1: error: stray '\200' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\226' in program
Main.cc:8:1: error: stray '\260' in program
Main.cc:8:1: error: stray '\347' in program
Main.cc:8:1: error: stray '\211' in program
Main.cc:8:1: error: stray '\271' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\200' in program
Main.cc:8:1: error: stray '\247' in program
Main.cc:8:1: error: stray '\357' in program
Main.cc:8:1: error: stray '\274' in program
Main.cc:8:1: error: stray '\214' in program
Main.cc:8:1: error: stray '\346' in program
Main.cc:8:1: error: stray '\210' in program
Main.cc:8:1: error: stray '\221' in program
Main.cc:8:1: error: stray '\344' in program
Main.cc:8:1: error: stray '\273' in program
Main.cc:8:1: error: stray '\254' in program
Main.cc:8:1: error: stray '\345' in program
Main.cc:8:1: error: stray '\217' in program
Main.cc:8:1: error: stray '\257' in program
Main.cc:8:1: error: stray '\344' in program
Main.cc:8:1: error: stray '\273' in program
Main.cc:8:1: error: stray '\245' in program
Main.cc:8:1: error: stray '\347' in program
Main.cc:8:1: error: stray '\256' in program
Main.cc:8:1: error: stray '\200' in program
Main.cc:8:1: error: stray '\345' in program
Main.cc:8:1: error: stray '\215' in program
Main.cc:8:1: error: stray '\225' in program
Main.cc:8:1: error: stray '\344' in program
Main.cc:8:1: error: stray '\273' in program
Main.cc:8:1: error: stray '\213' in program
Main.cc:8:1: error: stray '\347' in program
Main.cc:8:1: error: stray '\273' in program
Main.cc:8:1: error: stray '\215' in program
Main.cc:8:1: error: stray '\344' in program
Main.cc:8:1: error: stray '\270' in program
Main.cc:8:1: error: stray '\200' in program
Main.cc:8:1: error: stray '\344' in program
Main.cc:8:1: error: stray '\270' in program
Main.cc:8:1: error: stray '\213' in program
Main.cc:8:1: error: stray '\343' in program
Main.cc:8:1: error: stray '\200' in program
Main.cc:8:1: error: stray '\202' in program
Main.cc:9:1: error: stray '\346' in program
 搜索 “C++ 最新标准 2025”
 ^
Main.cc:9:1: error: stray '\220' in program
Main.cc:9:1: error: stray '\234' in program
Main.cc:9:1: error: stray '\347' in program
Main.cc:9:1: error: stray '\264' in program
Main.cc:9:1: error: stray '\242' in program
Main.cc:9:1: error: stray '\342' in program
Main.cc:9:1: error: stray '\200' in program
Main.cc:9:1: error: stray '\234' in program
Main.cc:9:1: error: stray '\346' in program
Main.cc:9:1: error: stray '\234' in program
Main.cc:9:1: error: stray '\200' in program
Main.cc:9:1: error: stray '\346' in program
Main.cc:9:1: error: stray '\226' in program
Main.cc:9:1: error: stray '\260' in program
Main.cc:9:1: error: stray '\346' in program
Main.cc:9:1: error: stray '\240' in program
Main.cc:9:1: error: stray '\207' in program
Main.cc:9:1: error: stray '\345' in program
Main.cc:9:1: error: stray '\207' in program
Main.cc:9:1: error: stray '\206' in program
Main.cc:9:1: error: stray '\342' in program
Main.cc:9:1: error: stray '\200' in program
Main.cc:9:1: error: stray '\235' in program
Main.cc:10:1: error: stray '\346' in program
 搜索到17条结果。
 ^
Main.cc:10:1: error: stray '\220' in program
Main.cc:10:1: error: stray '\234' in program
Main.cc:10:1: error: stray '\347' in program
Main.cc:10:1: error: stray '\264' in program
Main.cc:10:1: error: stray '\242' in program
Main.cc:10:1: error: stray '\345' in program
Main.cc:10:1: error: stray '\210' in program
Main.cc:10:1: error: stray '\260' in program
Main.cc:10:1: error: stray '\346' in program
Main.cc:10:1: error: stray '\235' in program
Main.cc:10:1: error: stray '\241' in program
Main.cc:10:1: error: stray '\347' in program
Main.cc:10:1: error: stray '\273' in program
Main.cc:10:1: error: stray '\223' in program
Main.cc:10:1: error: stray '\346' in program
Main.cc:10:1: error: stray '\236' in program
Main.cc:10:1: error: stray '\234' in program
Main.cc:10:1: error: stray '\343' in program
Main.cc:10:1: error: stray '\200' in program
Main.cc:10:1: error: stray '\202' in program
Main.cc:11:1: error: stray '\346' in program
 您已主动终止
 ^
Main.cc:11:1: error: stray '\202' in program
Main.cc:11:1: error: stray '\250' in program
Main.cc:11:1: error: stray '\345' in program
Main.cc:11:1: error: stray '\267' in program
Main.cc:11:1: error: stray '\262' in program
Main.cc:11:1: error: stray '\344' in program
Main.cc:11:1: error: stray '\270' in program
Main.cc:11:1: error: stray '\273' in program
Main.cc:11:1: error: stray '\345' in program
Main.cc:11:1: error: stray '\212' in program
Main.cc:11:1: error: stray '\250' in program
Main.cc:11:1: error: stray '\347' in program
Main.cc:11:1: error: stray '\273' in program
Main.cc:11:1: error: stray '\210' in program
Main.cc:11:1: error: stray '\346' in program
Main.cc:11:1: error: stray '\255' in program
Main.cc:11:1: error: stray '\242' in program
Main.cc:13:1: error: stray '\347' in program
 给定一个不超过1000字符长度，由小写英文字母组成的字符串，请判断该字符串是否包含两个字符长度以上的回文字符串，如果有包含回文字符串，请输出Yes，否则，请输出No。
 ^
Main.cc:13:1: error: stray '\273' in program
Main.cc:13:1: error: stray '\231' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\256' in program
Main.cc:13:1: error: stray '\232' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\200' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\252' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\215' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\266' in program
Main.cc:13:1: error: stray '\205' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\277' in program
Main.cc:13:1: error: stray '\207' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\255' in program
Main.cc:13:1: error: stray '\227' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\254' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\351' in program
Main.cc:13:1: error: stray '\225' in program
Main.cc:13:1: error: stray '\277' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\272' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\357' in program
Main.cc:13:1: error: stray '\274' in program
Main.cc:13:1: error: stray '\214' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\224' in program
Main.cc:13:1: error: stray '\261' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\260' in program
Main.cc:13:1: error: stray '\217' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\206' in program
Main.cc:13:1: error: stray '\231' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\213' in program
Main.cc:13:1: error: stray '\261' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\226' in program
Main.cc:13:1: error: stray '\207' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\255' in program
Main.cc:13:1: error: stray '\227' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\257' in program
Main.cc:13:1: error: stray '\215' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\273' in program
Main.cc:13:1: error: stray '\204' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\210' in program
Main.cc:13:1: error: stray '\220' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\232' in program
Main.cc:13:1: error: stray '\204' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\255' in program
Main.cc:13:1: error: stray '\227' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\254' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\262' in program
Main.cc:13:1: error: stray '\357' in program
Main.cc:13:1: error: stray '\274' in program
Main.cc:13:1: error: stray '\214' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\257' in program
Main.cc:13:1: error: stray '\267' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\210' in program
Main.cc:13:1: error: stray '\244' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\226' in program
Main.cc:13:1: error: stray '\255' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\257' in program
Main.cc:13:1: error: stray '\245' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\255' in program
Main.cc:13:1: error: stray '\227' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\254' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\262' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\230' in program
Main.cc:13:1: error: stray '\257' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\220' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\214' in program
Main.cc:13:1: error: stray '\205' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\220' in program
Main.cc:13:1: error: stray '\253' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\244' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\252' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\255' in program
Main.cc:13:1: error: stray '\227' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\254' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\351' in program
Main.cc:13:1: error: stray '\225' in program
Main.cc:13:1: error: stray '\277' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\272' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\273' in program
Main.cc:13:1: error: stray '\245' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\212' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\232' in program
Main.cc:13:1: error: stray '\204' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\233' in program
Main.cc:13:1: error: stray '\236' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\226' in program
Main.cc:13:1: error: stray '\207' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\255' in program
Main.cc:13:1: error: stray '\227' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\254' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\262' in program
Main.cc:13:1: error: stray '\357' in program
Main.cc:13:1: error: stray '\274' in program
Main.cc:13:1: error: stray '\214' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\202' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\236' in program
Main.cc:13:1: error: stray '\234' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\234' in program
Main.cc:13:1: error: stray '\211' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\214' in program
Main.cc:13:1: error: stray '\205' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\220' in program
Main.cc:13:1: error: stray '\253' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\233' in program
Main.cc:13:1: error: stray '\236' in program
Main.cc:13:1: error: stray '\346' in program
Main.cc:13:1: error: stray '\226' in program
Main.cc:13:1: error: stray '\207' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\255' in program
Main.cc:13:1: error: stray '\227' in program
Main.cc:13:1: error: stray '\347' in program
Main.cc:13:1: error: stray '\254' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\344' in program
Main.cc:13:1: error: stray '\270' in program
Main.cc:13:1: error: stray '\262' in program
Main.cc:13:1: error: stray '\357' in program
Main.cc:13:1: error: stray '\274' in program
Main.cc:13:1: error: stray '\214' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\257' in program
Main.cc:13:1: error: stray '\267' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\276' in program
Main.cc:13:1: error: stray '\223' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\207' in program
Main.cc:13:1: error: stray '\272' in program
Main.cc:13:1: error: stray '\357' in program
Main.cc:13:1: error: stray '\274' in program
Main.cc:13:1: error: stray '\214' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\220' in program
Main.cc:13:1: error: stray '\246' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\210' in program
Main.cc:13:1: error: stray '\231' in program
Main.cc:13:1: error: stray '\357' in program
Main.cc:13:1: error: stray '\274' in program
Main.cc:13:1: error: stray '\214' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\257' in program
Main.cc:13:1: error: stray '\267' in program
Main.cc:13:1: error: stray '\350' in program
Main.cc:13:1: error: stray '\276' in program
Main.cc:13:1: error: stray '\223' in program
Main.cc:13:1: error: stray '\345' in program
Main.cc:13:1: error: stray '\207' in program
Main.cc:13:1: error: stray '\272' in program
Main.cc:13:1: error: stray '\343' in program
Main.cc:13:1: error: stray '\200' in program
Main.cc:13:1: error: stray '\202' in program
Main.cc:16:1: error: stray '\346' in program
 思路概述
 ^
Main.cc:16:1: error: stray '\200' in program
Main.cc:16:1: error: stray '\235' in program
Main.cc:16:1: error: stray '\350' in program
Main.cc:16:1: error: stray '\267' in program
Main.cc:16:1: error: stray '\257' in program
Main.cc:16:1: error: stray '\346' in program
Main.cc:16:1: error: stray '\246' in program
Main.cc:16:1: error: stray '\202' in program
Main.cc:16:1: error: stray '\350' in program
Main.cc:16:1: error: stray '\277' in program
Main.cc:16:1: error: stray '\260' in program
Main.cc:18:1: error: stray '\350' in program
 要判断一个长度不超过 1000 的小写字母字符串中是否存在长度 ≥ 2 的回文子串，只需检查所有可能的子串是否为回文。
 ^
Main.cc:18:1: error: stray '\246' in program
Main.cc:18:1: error: stray '\201' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\210' in program
Main.cc:18:1: error: stray '\244' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\226' in program
Main.cc:18:1: error: stray '\255' in program
Main.cc:18:1: error: stray '\344' in program
Main.cc:18:1: error: stray '\270' in program
Main.cc:18:1: error: stray '\200' in program
Main.cc:18:1: error: stray '\344' in program
Main.cc:18:1: error: stray '\270' in program
Main.cc:18:1: error: stray '\252' in program
Main.cc:18:1: error: stray '\351' in program
Main.cc:18:1: error: stray '\225' in program
Main.cc:18:1: error: stray '\277' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\272' in program
Main.cc:18:1: error: stray '\246' in program
Main.cc:18:1: error: stray '\344' in program
Main.cc:18:1: error: stray '\270' in program
Main.cc:18:1: error: stray '\215' in program
Main.cc:18:1: error: stray '\350' in program
Main.cc:18:1: error: stray '\266' in program
Main.cc:18:1: error: stray '\205' in program
Main.cc:18:1: error: stray '\350' in program
Main.cc:18:1: error: stray '\277' in program
Main.cc:18:1: error: stray '\207' in program
Main.cc:18:1: error: stray '\347' in program
Main.cc:18:1: error: stray '\232' in program
Main.cc:18:1: error: stray '\204' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\260' in program
Main.cc:18:1: error: stray '\217' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\206' in program
Main.cc:18:1: error: stray '\231' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\255' in program
Main.cc:18:1: error: stray '\227' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\257' in program
Main.cc:18:1: error: stray '\215' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\255' in program
Main.cc:18:1: error: stray '\227' in program
Main.cc:18:1: error: stray '\347' in program
Main.cc:18:1: error: stray '\254' in program
Main.cc:18:1: error: stray '\246' in program
Main.cc:18:1: error: stray '\344' in program
Main.cc:18:1: error: stray '\270' in program
Main.cc:18:1: error: stray '\262' in program
Main.cc:18:1: error: stray '\344' in program
Main.cc:18:1: error: stray '\270' in program
Main.cc:18:1: error: stray '\255' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\230' in program
Main.cc:18:1: error: stray '\257' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\220' in program
Main.cc:18:1: error: stray '\246' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\255' in program
Main.cc:18:1: error: stray '\230' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\234' in program
Main.cc:18:1: error: stray '\250' in program
Main.cc:18:1: error: stray '\351' in program
Main.cc:18:1: error: stray '\225' in program
Main.cc:18:1: error: stray '\277' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\272' in program
Main.cc:18:1: error: stray '\246' in program
Main.cc:18:1: error: stray '\342' in program
Main.cc:18:1: error: stray '\211' in program
Main.cc:18:1: error: stray '\245' in program
Main.cc:18:1: error: stray '\342' in program
Main.cc:18:1: error: stray '\200' in program
Main.cc:18:1: error: stray '\257' in program
Main.cc:18:1: error: stray '\347' in program
Main.cc:18:1: error: stray '\232' in program
Main.cc:18:1: error: stray '\204' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\233' in program
Main.cc:18:1: error: stray '\236' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\226' in program
Main.cc:18:1: error: stray '\207' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\255' in program
Main.cc:18:1: error: stray '\220' in program
Main.cc:18:1: error: stray '\344' in program
Main.cc:18:1: error: stray '\270' in program
Main.cc:18:1: error: stray '\262' in program
Main.cc:18:1: error: stray '\357' in program
Main.cc:18:1: error: stray '\274' in program
Main.cc:18:1: error: stray '\214' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\217' in program
Main.cc:18:1: error: stray '\252' in program
Main.cc:18:1: error: stray '\351' in program
Main.cc:18:1: error: stray '\234' in program
Main.cc:18:1: error: stray '\200' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\243' in program
Main.cc:18:1: error: stray '\200' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\237' in program
Main.cc:18:1: error: stray '\245' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\211' in program
Main.cc:18:1: error: stray '\200' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\234' in program
Main.cc:18:1: error: stray '\211' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\217' in program
Main.cc:18:1: error: stray '\257' in program
Main.cc:18:1: error: stray '\350' in program
Main.cc:18:1: error: stray '\203' in program
Main.cc:18:1: error: stray '\275' in program
Main.cc:18:1: error: stray '\347' in program
Main.cc:18:1: error: stray '\232' in program
Main.cc:18:1: error: stray '\204' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\255' in program
Main.cc:18:1: error: stray '\220' in program
Main.cc:18:1: error: stray '\344' in program
Main.cc:18:1: error: stray '\270' in program
Main.cc:18:1: error: stray '\262' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\230' in program
Main.cc:18:1: error: stray '\257' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\220' in program
Main.cc:18:1: error: stray '\246' in program
Main.cc:18:1: error: stray '\344' in program
Main.cc:18:1: error: stray '\270' in program
Main.cc:18:1: error: stray '\272' in program
Main.cc:18:1: error: stray '\345' in program
Main.cc:18:1: error: stray '\233' in program
Main.cc:18:1: error: stray '\236' in program
Main.cc:18:1: error: stray '\346' in program
Main.cc:18:1: error: stray '\226' in program
Main.cc:18:1: error: stray '\207' in program
Main.cc:18:1: error: stray '\343' in program
Main.cc:18:1: error: stray '\200' in program
Main.cc:18:1: error: stray '\202' in program
Main.cc:19:1: error: stray '\347' in program
 由于字符串长度较短，直接的 O(n²) 检查完全可接受。
 ^
Main.cc:19:1: error: stray '\224' in program
Main.cc:19:1: error: stray '\261' in program
Main.cc:19:1: error: stray '\344' in program
Main.cc:19:1: error: stray '\272' in program
Main.cc:19:1: error: stray '\216' in program
Main.cc:19:1: error: stray '\345' in program
Main.cc:19:1: error: stray '\255' in program
Main.cc:19:1: error: stray '\227' in program
Main.cc:19:1: error: stray '\347' in program
Main.cc:19:1: error: stray '\254' in program
Main.cc:19:1: error: stray '\246' in program
Main.cc:19:1: error: stray '\344' in program
Main.cc:19:1: error: stray '\270' in program
Main.cc:19:1: error: stray '\262' in program
Main.cc:19:1: error: stray '\351' in program
Main.cc:19:1: error: stray '\225' in program
Main.cc:19:1: error: stray '\277' in program
Main.cc:19:1: error: stray '\345' in program
Main.cc:19:1: error: stray '\272' in program
Main.cc:19:1: error: stray '\246' in program
Main.cc:19:1: error: stray '\350' in program
Main.cc:19:1: error: stray '\276' in program
Main.cc:19:1: error: stray '\203' in program
Main.cc:19:1: error: stray '\347' in program
Main.cc:19:1: error: stray '\237' in program
Main.cc:19:1: error: stray '\255' in program
Main.cc:19:1: error: stray '\357' in program
Main.cc:19:1: error: stray '\274' in program
Main.cc:19:1: error: stray '\214' in program
Main.cc:19:1: error: stray '\347' in program
Main.cc:19:1: error: stray '\233' in program
Main.cc:19:1: error: stray '\264' in program
Main.cc:19:1: error: stray '\346' in program
Main.cc:19:1: error: stray '\216' in program
Main.cc:19:1: error: stray '\245' in program
Main.cc:19:1: error: stray '\347' in program
Main.cc:19:1: error: stray '\232' in program
Main.cc:19:1: error: stray '\204' in program
Main.cc:19:1: error: stray '\302' in program
Main.cc:19:1: error: stray '\262' in program
Main.cc:19:1: error: stray '\346' in program
Main.cc:19:1: error: stray '\243' in program
Main.cc:19:1: error: stray '\200' in program
Main.cc:19:1: error: stray '\346' in program
Main.cc:19:1: error: stray '\237' in program
Main.cc:19:1: error: stray '\245' in program
Main.cc:19:1: error: stray '\345' in program
Main.cc:19:1: error: stray '\256' in program
Main.cc:19:1: error: stray '\214' in program
Main.cc:19:1: error: stray '\345' in program
Main.cc:19:1: error: stray '\205' in program
Main.cc:19:1: error: stray '\250' in program
Main.cc:19:1: error: stray '\345' in program
Main.cc:19:1: error: stray '\217' in program
Main.cc:19:1: error: stray '\257' in program
Main.cc:19:1: error: stray '\346' in program
Main.cc:19:1: error: stray '\216' in program
Main.cc:19:1: error: stray '\245' in program
Main.cc:19:1: error: stray '\345' in program
Main.cc:19:1: error: stray '\217' in program
Main.cc:19:1: error: stray '\227' in program
Main.cc:19:1: error: stray '\343' in program
Main.cc:19:1: error: stray '\200' in program
Main.cc:19:1: error: stray '\202' in program
Main.cc:21:1: error: stray '\345' in program
 实现细节
 ^
Main.cc:21:1: error: stray '\256' in program
Main.cc:21:1: error: stray '\236' in program
Main.cc:21:1: error: stray '\347' in program
Main.cc:21:1: error: stray '\216' in program
Main.cc:21:1: error: stray '\260' in program
Main.cc:21:1: error: stray '\347' in program
Main.cc:21:1: error: stray '\273' in program
Main.cc:21:1: error: stray '\206' in program
Main.cc:21:1: error: stray '\350' in program
Main.cc:21:1: error: stray '\212' in program
Main.cc:21:1: error: stray '\202' in program
Main.cc:23:1: error: stray '\350' in program
 设字符串长度为 n。
 ^
Main.cc:23:1: error: stray '\256' in program
Main.cc:23:1: error: stray '\276' in program
Main.cc:23:1: error: stray '\345' in program
Main.cc:23:1: error: stray '\255' in program
Main.cc:23:1: error: stray '\227' in program
Main.cc:23:1: error: stray '\347' in program
Main.cc:23:1: error: stray '\254' in program
Main.cc:23:1: error: stray '\246' in program
Main.cc:23:1: error: stray '\344' in program
Main.cc:23:1: error: stray '\270' in program
Main.cc:23:1: error: stray '\262' in program
Main.cc:23:1: error: stray '\351' in program
Main.cc:23:1: error: stray '\225' in program
Main.cc:23:1: error: stray '\277' in program
Main.cc:23:1: error: stray '\345' in program
Main.cc:23:1: error: stray '\272' in program
Main.cc:23:1: error: stray '\246' in program
Main.cc:23:1: error: stray '\344' in program
Main.cc:23:1: error: stray '\270' in program
Main.cc:23:1: error: stray '\272' in program
Main.cc:23:1: error: stray '\343' in program
Main.cc:23:1: error: stray '\200' in program
Main.cc:23:1: error: stray '\202' in program
Main.cc:24:1: error: stray '\345' in program
 对每个可能的中心位置 i（0 ≤ i < n），分别检查两类回文：
 ^
Main.cc:24:1: error: stray '\257' in program
Main.cc:24:1: error: stray '\271' in program
Main.cc:24:1: error: stray '\346' in program
Main.cc:24:1: error: stray '\257' in program
Main.cc:24:1: error: stray '\217' in program
Main.cc:24:1: error: stray '\344' in program
Main.cc:24:1: error: stray '\270' in program
Main.cc:24:1: error: stray '\252' in program
Main.cc:24:1: error: stray '\345' in program
Main.cc:24:1: error: stray '\217' in program
Main.cc:24:1: error: stray '\257' in program
Main.cc:24:1: error: stray '\350' in program
Main.cc:24:1: error: stray '\203' in program
Main.cc:24:1: error: stray '\275' in program
Main.cc:24:1: error: stray '\347' in program
Main.cc:24:1: error: stray '\232' in program
Main.cc:24:1: error: stray '\204' in program
Main.cc:24:1: error: stray '\344' in program
Main.cc:24:1: error: stray '\270' in program
Main.cc:24:1: error: stray '\255' in program
Main.cc:24:1: error: stray '\345' in program
Main.cc:24:1: error: stray '\277' in program
Main.cc:24:1: error: stray '\203' in program
Main.cc:24:1: error: stray '\344' in program
Main.cc:24:1: error: stray '\275' in program
Main.cc:24:1: error: stray '\215' in program
Main.cc:24:1: error: stray '\347' in program
Main.cc:24:1: error: stray '\275' in program
Main.cc:24:1: error: stray '\256' in program
Main.cc:24:1: error: stray '\357' in program
Main.cc:24:1: error: stray '\274' in program
Main.cc:24:1: error: stray '\210' in program
Main.cc:24:1: error: stray '\342' in program
Main.cc:24:1: error: stray '\211' in program
Main.cc:24:1: error: stray '\244' in program
Main.cc:24:1: error: stray '\357' in program
Main.cc:24:1: error: stray '\274' in program
Main.cc:24:1: error: stray '\211' in program
Main.cc:24:1: error: stray '\357' in program
Main.cc:24:1: error: stray '\274' in program
Main.cc:24:1: error: stray '\214' in program
Main.cc:24:1: error: stray '\345' in program
Main.cc:24:1: error: stray '\210' in program
Main.cc:24:1: error: stray '\206' in program
Main.cc:24:1: error: stray '\345' in program
Main.cc:24:1: error: stray '\210' in program
Main.cc:24:1: error: stray '\253' in program
Main.cc:24:1: error: stray '\346' in program
Main.cc:24:1: error: stray '\243' in program
Main.cc:24:1: error: stray '\200' in program
Main.cc:24:1: error: stray '\346' in program
Main.cc:24:1: error: stray '\237' in program
Main.cc:24:1: error: stray '\245' in program
Main.cc:24:1: error: stray '\344' in program
Main.cc:24:1: error: stray '\270' in program
Main.cc:24:1: error: stray '\244' in program
Main.cc:24:1: error: stray '\347' in program
Main.cc:24:1: error: stray '\261' in program
Main.cc:24:1: error: stray '\273' in program
Main.cc:24:1: error: stray '\345' in program
Main.cc:24:1: error: stray '\233' in program
Main.cc:24:1: error: stray '\236' in program
Main.cc:24:1: error: stray '\346' in program
Main.cc:24:1: error: stray '\226' in program
Main.cc:24:1: error: stray '\207' in program
Main.cc:24:1: error: stray '\357' in program
Main.cc:24:1: error: stray '\274' in program
Main.cc:24:1: error: stray '\232' in program
Main.cc:25:1: error: stray '\345' in program
 奇数长度：以 i 为中心，向左右扩展，判断 s[l]==s[r]。只要扩展得到的长度 ≥ 2（即 r-l+1 ≥ 2），即可返回 Yes。
 ^
Main.cc:25:1: error: stray '\245' in program
Main.cc:25:1: error: stray '\207' in program
Main.cc:25:1: error: stray '\346' in program
Main.cc:25:1: error: stray '\225' in program
Main.cc:25:1: error: stray '\260' in program
Main.cc:25:1: error: stray '\351' in program
Main.cc:25:1: error: stray '\225' in program
Main.cc:25:1: error: stray '\277' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\272' in program
Main.cc:25:1: error: stray '\246' in program
Main.cc:25:1: error: stray '\357' in program
Main.cc:25:1: error: stray '\274' in program
Main.cc:25:1: error: stray '\232' in program
Main.cc:25:1: error: stray '\344' in program
Main.cc:25:1: error: stray '\273' in program
Main.cc:25:1: error: stray '\245' in program
Main.cc:25:1: error: stray '\344' in program
Main.cc:25:1: error: stray '\270' in program
Main.cc:25:1: error: stray '\272' in program
Main.cc:25:1: error: stray '\344' in program
Main.cc:25:1: error: stray '\270' in program
Main.cc:25:1: error: stray '\255' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\277' in program
Main.cc:25:1: error: stray '\203' in program
Main.cc:25:1: error: stray '\357' in program
Main.cc:25:1: error: stray '\274' in program
Main.cc:25:1: error: stray '\214' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\220' in program
Main.cc:25:1: error: stray '\221' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\267' in program
Main.cc:25:1: error: stray '\246' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\217' in program
Main.cc:25:1: error: stray '\263' in program
Main.cc:25:1: error: stray '\346' in program
Main.cc:25:1: error: stray '\211' in program
Main.cc:25:1: error: stray '\251' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\261' in program
Main.cc:25:1: error: stray '\225' in program
Main.cc:25:1: error: stray '\357' in program
Main.cc:25:1: error: stray '\274' in program
Main.cc:25:1: error: stray '\214' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\210' in program
Main.cc:25:1: error: stray '\244' in program
Main.cc:25:1: error: stray '\346' in program
Main.cc:25:1: error: stray '\226' in program
Main.cc:25:1: error: stray '\255' in program
Main.cc:25:1: error: stray '\343' in program
Main.cc:25:1: error: stray '\200' in program
Main.cc:25:1: error: stray '\202' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\217' in program
Main.cc:25:1: error: stray '\252' in program
Main.cc:25:1: error: stray '\350' in program
Main.cc:25:1: error: stray '\246' in program
Main.cc:25:1: error: stray '\201' in program
Main.cc:25:1: error: stray '\346' in program
Main.cc:25:1: error: stray '\211' in program
Main.cc:25:1: error: stray '\251' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\261' in program
Main.cc:25:1: error: stray '\225' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\276' in program
Main.cc:25:1: error: stray '\227' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\210' in program
Main.cc:25:1: error: stray '\260' in program
Main.cc:25:1: error: stray '\347' in program
Main.cc:25:1: error: stray '\232' in program
Main.cc:25:1: error: stray '\204' in program
Main.cc:25:1: error: stray '\351' in program
Main.cc:25:1: error: stray '\225' in program
Main.cc:25:1: error: stray '\277' in program
Main.cc:25:1: error: stray '\345' in program
Main.cc:25:1: error: stray '\272' in program
Main.cc:25:1: error: stray '\246' in program
Main.cc:25:1: error: stray '\342' in program
Main.cc:25:1: error: stray '\211' in program
Main.cc:25:1: error: stray '\245' in program
Main.cc:25:1: error: stray '\342' in program
Main.cc:25:1: error: stray '\200' in program
Main.cc:25:1: error: stray '\257' in program