CF/SRM's mouth record.

Source: Internet
Author: User

  Feel the whole bzoj do not have a future, a few Uncle Gan SRM, I will open a pit to mouth Hu Yipo cf/srm in order to quickly roll thick. (because it is the mouth of the Hu do not set the counter, in fact, I am lazy.)

"SRM645" easy to sort by the sorting line directly to sweep it again.

"SRM645" Medium if the direction vector of each point is the same then it may be able to reach otherwise certainly not. ① If even step, there are two kinds of vector synthesis, we can use extended gcd to determine whether it is feasible. ② if it is an odd step, just run one step, then follow the ① to do it.

CF/SRM's mouth record.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.