Suggested problems

Best Fellowship in Reproductive Medicine Courses by IIRRH Institute

Aug. 18, 2020, 11:51 a.m. by iirrhinstitute

Biological Motivation

IIRRH Institute is a pioneer in women's health care education and is committed to providing the best possible training experience. Members of our [Reproductive Medicine Fellowship][1] specialists are known for performing complex diagnostic and therapeutic procedures. The team consists of experienced gynecologists and embryologists.

For more info log on to: **[www.iirrh.org][2]**

[1]: https://www.iirrh.org/fellowship-rguhs.php [2]: https://www.iirrh.org

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