MathDB

A form is the union of squared rectangles whose bases are consecutive unitary segments in a horizontal line that leaves all the rectangles on the same side, and whose heights

m_1, ... , m_n

satisying

m_1\ge ... \ge m_n

. An angle in a form consists of a box

v

and of all the boxes to the right of

v

and all the boxes above

v

. The size of a form of an angle is the number of boxes it contains. Find the maximum number of angles of size

11

in a form of size

400

.
[url=http://www.oma.org.ar/enunciados/omr20.htm]source

Problem Statement