Given a regular N-sided polygon, how many ways can you draw K non-intersecting diagonals? Any pair of diagonals must not intersect strictly inside the polygon.
For e.g. N = 4 and K = 2 -> 2 ways
N = 5 and K = 2 -> 5 ways
N = 5 and K = 3 -> 0 ways
2026-04-26 07:47:24.1777189644
K non-intersecting diagonals in a polygon
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