# one of the first string's permutations is the substring of the second string. # The input strings only contain lower case letters. # The length of both given strings is in range [1, 10,000].

Given a string, print all possible permutations (rearrangements) of its characters. For a string of length n, there are n! permutations.

Thyroid function tests are blood tests that measure hormone levels to check how well your thyroid is working. The most common tests are thyroid-stimulating hormone (TSH) and thyroxine (T4), which help ...

The spatial organization of chromatophore-muscle innervation by motoneurons enables the generation of chromatophore-shaped noise, virtual or composite chromatophores, and shape elements such as lines ...

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Tap here to see the full World Cup knockout bracket and every team's path to the final. With the World Cup group stage coming to a thrilling end Saturday, here's a rundown of who reached the knockouts ...