Leetcode 125. Valid Palindrome

作者: SnailTyan | 来源:发表于2018-09-29 18:37 被阅读9次

LeetCode #125 #680 #9 #234 2018-
ARTS第二周
Leetcode-125Valid Palindrome
LeetCode[125]
leetcode:125. Valid Palindrome
Leetcode 125. Valid Palindrome
Leetcode 125. Valid Palindrome
LeetCode 125. Valid Palindrome
Leetcode 125. Valid Palindrome
[leetcode]125. Valid Palindrome

文章作者：Tyan
博客：noahsnail.com | CSDN | 简书

1. Description

Valid Palindrome

2. Solution

class Solution {
public:
    bool isPalindrome(string s) {
        int i = 0;
        int j = s.length() - 1;
        while(i < j) {
            if(!isalnum(s[i])) {
                i++;
                continue;
            }
            if(!isalnum(s[j])) {
                j--;
                continue;
            }
            if(tolower(s[i]) == tolower(s[j])) {
                i++;
                j--;
            }
            else {
                return false;
            }
        }
        return true;
    }
};

Reference

https://leetcode.com/problems/valid-palindrome/description/

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Leetcode 125. Valid Palindrome

1. Description

2. Solution

Reference

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