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洛谷 P2662 牛场围栏

最短路

  • tomaito
  • March 19, 2020
  • No comments

    • codeforces 1307 F - Cow and Vacation

    并查集+LCA

  • tomaito
  • February 21, 2020
  • 1 comments

    • Codeforce 941 F - Substrings in a String

    Bitset

  • tomaito
  • February 21, 2020
  • No comments
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    Chef and A Large Permutation

  • tomaito
  • February 17, 2020
  • No comments
    •

    Codeforces1290C Prefix Enlightenment

    暂时无可提供的摘要

  • tomaito
  • February 5, 2020
  • No comments
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    BZOJ3687 简单题

    背包+bitset

  • tomaito
  • February 3, 2020
  • No comments