Given a number N, find the smallest prime P greater than N.
If N=10 then P=11.
If N=13 then P=17.
Find all elements less than 0 or greater than 10 and replace them with NaN
First non-zero element in each column
Better bullseye matrix
Sum the squares of numbers from 1 to n
letter yes yes & letter no no
How many jokers?
Basic electricity in a dry situation
Sorted highest to lowest?
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