DNA Nucleotide Frequency
DNA Nucleotide Frequency
EasyArrays0% accepted
Priya works at a genomics lab in Bangalore analyzing DNA sequences for genetic research. She needs to count how many times a specific nucleotide (A, T, C, or G) appears in a DNA strand.
Approach
Given a DNA string of nucleotides and a target nucleotide character, count total occurrences of that nucleotide.
Input
ATCGATCGATCG, A
Output
3
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