Suggested problems

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Nov. 4, 2022, 10:08 a.m. by norxhealthcare

Biological Motivation

BUY methadone ONLINE norxhealthcare Methadone, a prescription opioid used in the treatment of opioid dependence, is primarily used for detoxification and maintenance treatment for people Methadone abuse comes with many risks, including overdose and addiction. Learn about available treatment options to manage methadone abuse.


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


Sample Output

20 12 17 21