14 Weeks WTW

Source: Internet
Author: User

Two poj1436 line-segment trees.

Refer to someone else's code, notice where
Hash array operation, very clever (a bit like a scrolling array, saving one-dimensional space, otherwise it will burst memory

And then there's poj2991, and this is nothing to say. Interval add

Save the puzzle today only to see, tomorrow good to go over again

It took a lot of time to do the course design of the graphic study-the next few weeks in the class to review the review things more, Monday will remember to play CF Orz

14 Weeks WTW

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