Lower Bound Theory: According to the lower bound theory, for a lower bound L n of an algorithm, it is not possible to have any other algorithm for a common problem whose time complexity is less than L n for random input. Lexicographically next greater string using same character set. Getting the equiv 'upper bound' of a form. The Lower bounds which can be easily observed based on the number of input taken and the number of output produced are called Trivial Lower Bound. Getting lower-bound and upper-bound of strings input.
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