Medium-EasyUnderstandHash Tablesopen_ended

Why does validating an anagram with a fixed-size array (size 26) use O(1) space?

Understand — Tests comprehension and ability to explain concepts.

Want to see the correct answer?

Get the answer with a detailed explanation, plus practice 32+ more Hash Tables questions with adaptive quizzes and timed interviews.

See the Answer on Guru Sishya →

This question is from the Hash Tables topic (Data Structures).

Learn Hash Tables→Browse All Questions

More Hash Tables Questions

What is the average time complexity of inserting into a hash table?

Easy

What is the time complexity of checking if a string is an anagram of another using a frequency array?

Easy

What is the difference between a JS Map and a plain Object for use as a hash map?

Medium-Easy

In Two Sum (LC 1), what is stored as key and value in the hash map?

Medium-Easy

Why does grouping anagrams with a sorted-string key cost O(n*k*log k) while a frequency-count key costs O(n*k)?

Medium-Easy