阅读背景:

Stars(树状数组||线段树)

来源:互联网 

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 of the stars. Astronomers often examine star maps where s



你的当前访问异常,请进行认证后继续阅读剩余内容。

分享到: