Ksusha and Square
Ksusha is a vigorous mathematician. She is keen on absolutely incredible mathematical riddles. Today Ksusha came across a convex polygon of non-zero area. She is […]
Square
Rectangles and Square
You are given n rectangles, labeled 1 through n. The corners of rectangles have integer coordinates and their edges are parallel to the Ox and Oy axes. The rectangles may touch each […]
