A character on even index can be swapped with another character on even index only.A character on odd index can be swapped with another character at odd index only.
Two strings are distinct if on applying the following operations on one string the second string cannot be formed.
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What is Caching What are the various cache update strategies available in caching 10. Given an array of lower case strings, the task is to find the number of strings that are distinct. How is performance and scalability related to each other 9. Free online graphic design tool offers you massive free templates, design elements, and stock images you can use to easily bring your ideas to life.
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