Recent content by yetam60389

  1. Y

    Coloring each k-th unit in a circle of n units

    figured it out in the meanwhile. you're right, i was quite slow in figuring that out.
  2. Y

    Coloring each k-th unit in a circle of n units

    suppose you write, clockwise, n numbers (or "units", doesn't matter) in a circle. you then color, clockwise, each k-th number. you do this until you've colored all n numbers, or until you've reached an already colored number. let x be the number of colored numbers. i've figured that if...