Editorial for ICPC SWERC 2017 J - Frosting on the Cake
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Permuting columns or rows preserve the total area of each color. Hence we can reduce to a by
grid, the dimensions are given by the sum of the entry lengths of same base
modulo.
Comments