All Questions
Tagged with palindrome c#
17
questions
4
votes
1
answer
1k
views
Check if string is palindrome LeetCode
LeetCode 125 requires receiving a string and checking if it is a valid palindrome. I have done this and am confident with an int and a single word, but this question requires the use a of a sentence ...
- 187
3
votes
0
answers
226
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Longest palindrome code in C# takes time out on LeetCode
I like to request a review of the code below, which is my attempt at answering the question here on LeetCode site. The code passes 43 tests, but it times out on the next one. I copied and ran the test ...
- 103
1
vote
2
answers
2k
views
Palindrome algorithm
This code could be better?
This is the algorithm:
Compare the 1st character to the last character
Compare the 2nd character to the second last character and so on
Stop when the middle of the ...
- 173
18
votes
8
answers
5k
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Project Euler Problem #4 - Palindromic number
The problem is as follows:
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 × 99. Find the largest palindrome made ...
- 3,487
8
votes
3
answers
2k
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Leetcode 125. Valid Palindrome (better performance?)
Problem statement
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
For example,
"A man, a plan, a canal: Panama" is a ...
- 2,396
4
votes
1
answer
598
views
Leetcode 125. Valid Palindrome
Problem statement
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
For example,
"A man, a plan, a canal: Panama" is a ...
- 2,396
2
votes
1
answer
6k
views
Get all possible palindromes in C#
As the title says, the goal is to get all the possible palindromes of a string in C#:
...
- 2,046
2
votes
3
answers
2k
views
Palindrome algorithm in C#
I had an interview yesterday where I had to write an algorithm on the whiteboard for working out if a value is a Palindrome in C#. The pressure got to me a bit but I've written my version of it in ...
- 237
8
votes
3
answers
1k
views
Project Euler 4: Largest palindrome product
This solves Project Euler 4: Largest palindrome product using C# (specifically, using LINQPad). Any and all suggestions for improvements to either the C# code or the math/algorithm are very welcome.
...
- 20.4k
4
votes
1
answer
435
views
Finding palindromes in C#
This is my first foray into OOP, so I'd appreciate any kind of advice!
Here is the problem description:
On the first line of the input, you will receive a number specifying
how many lines of ...
- 236
1
vote
1
answer
1k
views
Longest palindrome in a given string using LINQ
Problem:I need to write an algorithm that will return length of longest possible palindrome from a given string.
So if the input is aabbbccdfg
Program output should be 7. //-->[cabbbac]
Can someone ...
- 121
4
votes
2
answers
482
views
Number palindrome checker
My daughter, nine, recently had some homework looking at number palindromes. Part of the assignment was to take a number, reverse it, add the two together and repeat until she got a palindrome and to ...
- 245
30
votes
9
answers
58k
views
Check a string to see if it is a palindrome
I have written two code pieces to check if a given string is a palindrome:
...
- 1,066
17
votes
3
answers
18k
views
Return the largest palindrome from the string
Here is the question: find the largest palindrome from a string.
Ex:
ABCBAHELLOHOWRACECARAREYOUILOVEUEVOLIIAMAIDOINGGOOD
Result:
...
- 369
6
votes
4
answers
381
views
Determining whether a number is a palindrome
Can someone improve this for me? It seems ugly.
The method should test whether an incoming number is a palindrome and return a Boolean result.
...
- 161