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Discussion of Problem 1531. Zones on a Plane

Some Tests.
Posted by Oleg Strekalovsky [Vologda SPU] 8 Apr 2010 01:25
input 5
output 20

input 6
output 28

input 7
output 44

input 100
output 4503599627370492

input 1000
output 13093562431584567480052758787310396608866568184172259157933165472384535185618698219533080369303616628603546736510240284036869026183541572213314110357500

input 2000
output 42860344287450692837937001962400072422456192468221344297750015534814042044997444899727935152627834325103786916702125873007485811427692561743938310298794299215738271099296923941684298420249484567511816728612185899934327765069595070236662175784308251658284785910746168670641719326610497547348822672277500