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palindromic substrings

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PrashantUnity answered on April 12, 2022 Popularity 10/10 Helpfulness 2/10

answer palindromic substrings

related longest palindromic substring

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palindromic substrings

Comment

	public static List<string> SubString(String str)
    {
    	var list = new List<string>();
        for (int i = 0; i < str.Length; i++)
        {
            for (int j = 1; j <= str.Length - i; j++)
            {
                var temp = str.Substring(i, j);
                if(temp==ReverseString(temp))
                {
                    list.Add(temp);
                }
            }
        }
        
        return list;
    }
    public static string ReverseString(string s)
    {
        char[] arr = s.ToCharArray();
        Array.Reverse(arr);
        return new string(arr);
    }

Popularity 10/10 Helpfulness 2/10 Language csharp

Source: Grepper

Tags: c#

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Contributed on May 22 2022

PrashantUnity

0 Answers Avg Quality 2/10

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longest palindromic substring

Comment

<script>
 
// A O(n^2) time and O(1) space program to
// find the longest palindromic substring
// easy to understand as compared to previous version.
 
// A utility function to print
// a substring str[low..high]
// This function prints the
// longest palindrome substring (LPS)
// of str[]. It also returns the
// length of the longest palindrome
function longestPalSubstr(str)
{
    let n = str.length; // calculating size of string
    if (n < 2)
        return n; // if string is empty then size will be 0.
                // if n==1 then, answer will be 1(single
                // character will always palindrome)
 
    let maxLength = 1,start=0;
    let low, high;
    for (let i = 0; i < n; i++) {
        low = i - 1;
        high = i + 1;
        while ( high < n && str[high] == str[i]) //increment 'high'                               
            high++;
     
        while ( low >= 0 && str[low] == str[i]) // decrement 'low'               
            low--;
     
        while (low >= 0 && high < n && str[low] == str[high]){
            low--;
            high++;
        }
 
        let length = high - low - 1;
        if (maxLength < length) {
            maxLength = length;
            start=low+1;
        }
    }
     
    document.write("Longest palindrome substring is: ");
    document.write(str.substring(start,maxLength+start));
    return maxLength;
}
 
// Driver program to test above functions
 
let str = "forgeeksskeegfor";
document.write("</br>","Length is: " + longestPalSubstr(str),"</br>");
 
// This is code is contributed by shinjanpatra
 
</script>

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: www.geeksforgeeks.org

Tags: javascript j

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Contributed on Apr 12 2022

Fragile Frog

0 Answers Avg Quality 2/10

longest palindromic substring

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public String longest_palindrome(String s) {
	// if length of string is less than 1 return empty string
	if (s == null || s.length() < 1) return "";
	int start = 0, end = 0;
	for (int i = 0; i < s.length(); i++) {
		int len1 = expand_around_center(s, i, i);
		int len2 = expand_around_center(s, i, i + 1);
		int len = Math.max(len1, len2);
		if (len > end - start) {
			start = i - (len - 1) / 2;
			end = i + len / 2;
		}
	}
	// return longest palindromic substring
	return s.substring(start, end + 1);
}

private int expand_around_center(String s, int left, int right) {
	int L = left, R = right;
	while (L >= 0 && R < s.length() && s.charAt(L) == s.charAt(R)) {
		L--;
		R++;
	}
	return R - L - 1;
}

public static void main(){
	String word = "findnitianhere";
	System.out.println(longest_palindrome(word));
}

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: www.scaler.com

Tags: substring subs

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Contributed on Dec 18 2022

Careful Cobra

0 Answers Avg Quality 2/10

Longest Palindromic Substring

Comment

class Solution {
public:
    string longestPalindrome(string s) {
        
    }
};

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Longest Palindromic Substring

Comment

class Solution {
    public String longestPalindrome(String s) {
        
    }
}

Popularity 9/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Longest Palindromic Substring

Comment


char * longestPalindrome(char * s){

}

Popularity 9/10 Helpfulness 1/10 Language c

Source: Grepper

Tags: c substring substrin

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Longest Palindromic Substring

Comment

/**
 * @param {string} s
 * @return {string}
 */
var longestPalindrome = function(s) {
    
};

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Longest Palindromic Substring

Comment

# @param {String} s
# @return {String}
def longest_palindrome(s)
    
end

Popularity 9/10 Helpfulness 1/10 Language ruby

Source: Grepper

Tags: ruby

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Longest Palindromic Substring

Comment

class Solution {

    /**
     * @param String $s
     * @return String
     */
    function longestPalindrome($s) {
        
    }
}

Popularity 9/10 Helpfulness 1/10 Language php

Source: Grepper

Tags: php

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Longest Palindromic Substring

Comment

function longestPalindrome(s: string): string {

};

Popularity 9/10 Helpfulness 1/10 Language typescript

Source: Grepper

Tags: substring subs

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

palindromic substrings

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