Sept. 12, 2019, 9:10 a.m. by Johnny Deep
Google flights are the best travel agency and provide the best services for booking cheap flights and hotels for all domestic and international destinations. By [Google flights search] portal entering your departure or arrival entries click on calendar right-hand site where you will see discount offers prices and now choose your package and book flights and save till 50% money. For more information or query visit the site.
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