a(n) = n^2 - (n-1)^2
find the summation of the series upto n i.e.
Select every other element of a vector
Find the sum of the elements in the "second" diagonal
Solving Quadratic Equations (Version 1)
Finding perimeter of a rectangle
Generate Golomb's sequence
Can the knight take out the pawn?
Sieve of Eratosthenes - 02
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