Uber Software Engineer interview questions

write code for this function matchstr() given "ab" in a(1)b(1) ---> true "z" in a(4)b(4) --> false "aaaa" in a(3)b(3) ---> false "aab" in a(3)b(3) ---> true "aaba" in a(3)b(3) ---> true asked and he told that a(3)b(3) means {"ab","aab","aaab","aabbb"... etc.. all combinations of a dn b string lengths... b should always be after an a. asked and he told that a(3)b(3)a(3) is also possible asked and told that a(0)b(3)a(3)c(3) is also possible .. which means every string starts with b - This information changed my interview experience.