Stars
Time Limit: 1000MS | Memory Limit: 65536K | |
Total Submissions: 20885 | Accepted: 9097 |
Description
Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star be an amount of the stars that are not higher and not to the right of the given star. Astronomers want to know the distribution of the levels o