!set description_01integral=min/max of the integral of a function
!set description_01prod2sum=minimum of sum of 2 numbers with fixed product
!set description_01sum2prod=maximum of product of two numbers with fixed sum
!set description_10pt2cv=minimal distance between a point and a curve in the plane
!set description_20axecut=minimal intersection of a line with coordinate axes
!set description_20trisides=maximum of the area of a triangle with given relation of sides
!set description_30boat=optimal speed for a boat going upward a river
!set description_30price=determine the price of a product for maximum profit
!set description_30transp=optimal speed to minimise the transport cost
!set type_list=-01integral,-01prod2sum,-01sum2prod,-10pt2cv,-20axecut,-20trisides,-30boat,-30price,-30transp
