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An array of size 100000000000 is filled with four different letters A, B, C and D. Assume that all four letters are equally likely to
An array of size 100000000000 is filled with four different letters A, B, C and D. Assume that all four letters are equally likely to appear in the array S. However, there is no guarantee that all four letters are in the array.
- What is the average number of array locations to inspect to find the first D? Give your answer using a formula
- What is the average number of array locations to inspect to find 10 Ds? Give your answer using a formula or result
- What is the average time complexity to find k Ds in an array?
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