Problem 1459. Triangular Tiling Dots in a Circle

Return how many Triangular Tiling grid points there are inside a circle of radius r centred at (0,0) (including points on the edge).

Assume that a Triangular Tiling grid is a 2D Hexagonal Bravais lattice with | a1 | = | a2 | = 1 and φ = 120°.

Neither string operations nor interpolations are allowed!

Solution Stats

64.15% Correct | 35.85% Incorrect
Last Solution submitted on May 23, 2020

Problem Recent Solvers23

Suggested Problems

More from this Author18

Problem Tags