//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) ...

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 ...

The Error writing temporary file, Make sure your temp folder is valid indicates that Windows cannot read or write inside the temp folder. So there are a couple of ...

// two loops can be used, one for fetching, another for matching but that is O(n^2). better is to use freq. of each char as ques says it only consists on lowercase chars.