Find the sum, given the first term t1, the common ratio r, and number of terms n.
If input t1=1, r=1, n=7 then output y=7
If input t1=10, r=10, n=5 then output y=111110.
Summing Digits within Text
Longest Divisor Run
Generate a random matrix A of (1,-1)
Distance walked 2D
swap sign sum & multiply castles
Given n, create n random numbers such that their standard deviation is also n.
Sorted highest to lowest?
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