//Even though we used extra space here - it doesn't depend on input size. The freq array has fixed size of 26 .So here space complexity will be O(1) ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...

Have you ever heard of FINDSTR and Select-String? Select-String is a cmdlet that is used to search text & the patterns in input strings & files. It is similar to grep on Linux & FINDSTR on Windows. In ...

Get festival ready with Joel, Abby and Shini's music festival glitz and glam make-up looks! Get your face paint and gems ready as you're sure to be inspired with their summery festival looks. Zara ...

Many physicists consider Ed Witten to be Einstein's true successor. A mathematical physicist at the Institute for Advanced Study in Princeton, New Jersey, Witten has been awarded everything from a ...

# of p's anagrams in s. # Strings consists of lowercase English letters only and the length of # both strings s and p will not be larger than 20,100. # The order of output does not matter. # The ...