March 2, 2022, 2:15 p.m. by Angeline
Polygon (formerly Matic) is an Ethereum side chain that provides interoperability with layer-2 solutions. The option - [NFT marketplace development on Polygon] - adds seamless scalability to the marketplace platform. It also speeds up transactions, resulting in a significant increase in throughput. It also offers low transaction costs. On Polygon, an NFT marketplace uses highly secure technology and is easily accessible.
An example of an DNA string (whose alphabet contains the symbols A, C, G, and T) is ATGCTTCAGAAAGGTCTTACG.
Given: A DNA string
Return: Four integers corresponding to the number of times that the symbols A, C, G, and T occur in
20 12 17 21