This problem is looking for the number of vertices on the hexagonal grid inside the circle of radius r. The center of the hexagon is not counted as a point for this problem, and this is true for every hexagon inside the circle.
141 Solvers
185 Solvers
Solve the set of simultaneous linear equations
279 Solvers
Flip the main diagonal of a matrix
511 Solvers
Spherical radius given four points
108 Solvers
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