Given a string S. the task is to determine if there exists another string that is an anagram of S.An anagram is a word or phrase formed by rearranging the letters of another word or phrase. For example "seekg" is an anagram of "geeks".Example 1:Input: S = "ab"Output: YESExplanation:The string "ba" is not identical to S and is an anagram of S
Question
Given a string S. the task is to determine if there exists another string that is an anagram of S.An anagram is a word or phrase formed by rearranging the letters of another word or phrase. For example "seekg" is an anagram of "geeks".Example 1:Input: S = "ab"Output: YESExplanation:The string "ba" is not identical to S and is an anagram of S
Solution
Sure, here is a step by step solution to determine if there exists another string that is an anagram of a given string S:
Step 1: First, we need to understand that an anagram of a string is another string that contains the same characters, only the order of characters can be different. For example, “abcd” and “dabc” are an anagram of each other.
Step 2: Now, if a string S has all unique characters, then there definitely exists another string that is an anagram of S. This is because we can simply rearrange the characters in S to form a new string that is not identical to S but is an anagram of S. For example, if S = "ab", we can rearrange the characters to get "ba", which is an anagram of S.
Step 3: However, if a string S has duplicate characters, we need to check if we can rearrange the characters in a way that the new string is not identical to S. This is possible if S has at least one character that appears more than once. For example, if S = "aa", we cannot form another string that is an anagram of S but not identical to S.
Step 4: So, to solve this task, we can simply check if S has at least one character that appears more than once. If yes, then the answer is "YES". Otherwise, the answer is "NO".
Step 5: To check if S has at least one character that appears more than once, we can use a hash map or an array to count the frequency of each character in S. Then, we iterate over the hash map or array to find if there is any character with a frequency greater than 1.
Step 6: If we find such a character, we return "YES". Otherwise, we return "NO".
This is the overall approach to solve this task. The time complexity of this approach is O(n), where n is the length of the string S.
Similar Questions
An anagram is a word or a phrase made by transposing the letters of another word or phrase; for example, "parliament" is an anagram of "partial men," and "software" is an anagram of "swear oft." Write a program that figures out whether one string is an anagram of another string. The program should ignore white space and punctuation
Write a program to check two strings are anagram or not.
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Given two strings s and p, return an array of all the start indices of p's anagrams in s. You may return the answer in any order.An Anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once.
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