The first line of input contains an integer T denoting the no of test cases. Then T test cases follow. Each test case contains an string str.

You are given a string s and an integer k, a k duplicate removal consists of choosing k adjacent and equal letters from s and removing them, causing the left and the right side of the deleted ...

Community driven content discussing all aspects of software development from DevOps to design patterns. There are several ways to find duplicates in a Java List, array or other collection class. The ...

General Forms: (remove-duplicates x) (remove-duplicates x :test 'eql) ; same as above (eql as equality test) (remove-duplicates x :test 'eq) ; same, but eq is equality test (remove-duplicates x :test ...