How do you check if a string can be a palindrome?
Check if characters of a given string can be rearranged to form a palindrome
- Create a count array of alphabet size which is typically 256.
- Traverse the given string and increment count of every character.
- Traverse the count array and if the count array has more than one odd values, return false.
What is a permutation of a palindrome?
A palindrome is a word or phrase that is the same forwards and backwards. A permutation is a rearrangement of letters. The palindrome does not need to be limited to just dictionary words.
How do you check if a string is a palindrome in Java?
1. Algorithm
- Pick first character and last character of string and compare. If both matches – continue. Else string is not palindrome.
- Pick second character from start and last, compare both. If both matches – continue.
- Continue above comparisons till both characters to compare are same or consecutive to each other.
What is difference between anagram and palindrome?
is that anagram is (of words) a word or phrase that is created by rearranging the letters of another word or phrase while palindrome is a word, phrase, number or any other sequence of units which has the property of reading the same forwards as it does backwards, character for character, sometimes disregarding …
What do you mean by palindrome string?
A string is said to be palindrome if it reads the same backward as forward. For e.g. above string is a palindrome because if we try to read it from backward, it is same as forward.
What words spell another word backwards?
Palindrome
- A palindrome is a word, number, phrase, or other sequence of characters which reads the same backward as forward, such as madam or racecar.
- Semordnilap (palindromes spelled backward) is a name coined for words that spell a different word in reverse.