# Peiyi Yao

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Solved

Sum of digits of powers of 2

Given n, first, calculate the number 2^n. Then, sum the digits that comprise that number. For example: Input: n = 7 2^n = ...

1 month ago

Solved

Given a vector x, return vector y with all negative elements from the vector x.

Given a vector x, return vector y with all negative elements from the vector x if x has negative elements. Otherwise return 0. ...

1 month ago

Solved

Vector indexing: lower than mean

Find all values in a vector lower than the mean of the vector

1 month ago

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the average value of the elements

Calculate the average value of the elements in the array

3 months ago

Solved

Calculate the average value of the elements in the array

Calculate the average value of the elements in the array

3 months ago