In this HackerEarth Cats Substrings problem solution There are two cats playing, and each of them has…

In this HackerEarth Sonya and string shifts problem solution Pussycat Sonya has a string S of length…

In this HackerEarth DifDif problem solution, You are given a string S. Find the number of different…

In this HackerEarth Unique Gems problem solution Rahul has entered into a mysterious land of gems. There…

In this HackerEarth The Suffix Matches problem solution Rob needs to give a string to each of…

In this HackerEarth Little bear and strings problem solution Little bear has got a big string S…