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Solution: Minimum Cuts to Divide a Circle

Understand how to determine the minimum number of straight cuts needed to divide a circle into n equal slices. Explore the difference in approach for odd and even values of n, and learn a constant time algorithm based on geometry and math principles.

Statement

Given an integer n, determine the minimum number of cuts required to divide the circle into n equal slices. A valid cut in a circle is defined as one of the following:

  1. A cut is represented by a straight line that passes through the circle’s center and touches two points on its edge.

  2. A cut is represented by a straight line touching one point on the circle’s edge and center.

Examples of some valid and invalid cuts
Examples of some valid and invalid cuts

Constraints:

  • 11 \leq ...