Suggested problems

CENFORCE 100MG | Review|Uses|Side Effect

Jan. 13, 2021, 11:11 a.m. by Genericpharmamall

Biological Motivation

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[1]: https://www.genericpharmamall.com/ [2]: https://www.genericpharmamall.com/product/cenforce-100mg/ [3]: https://www.genericpharmamall.com/product/fildena-100mg/ [4]: https://www.genericpharmamall.com/product/kamagra-100mg/ [5]: https://www.genericpharmamall.com/product/malegra-100mg/ [6]: https://www.genericpharmamall.com/product/avana-100mg/ [7]: https://www.genericpharmamall.com/?s=cenforce&post_type=product [8]: https://www.genericpharmamall.com/?s=Vidalista&post_type=product

Problem

A string is simply an ordered collection of symbols selected from some alphabet and formed into a word; the length of a string is the number of symbols that it contains.

An example of an DNA string (whose alphabet contains the symbols A, C, G, and T) is ATGCTTCAGAAAGGTCTTACG.

Given: A DNA string $s$ of length at most 1000 nucleotides.

Return: Four integers corresponding to the number of times that the symbols A, C, G, and T occur in $s$.

Sample Dataset

AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC

Sample Output

20 12 17 21