P9648 的小数据，d

guozhetaoZIPP9648.zip  6.63KB

资源文件列表:

ZIP P9648.zip 大约有16个文件
  1. 1.in.txt 1.48KB
  2. 1.out.txt 31B
  3. 2.in.txt 1.71KB
  4. 2.out.txt 30B
  5. 3.in.txt 1.47KB
  6. 3.out.txt 32B
  7. 4.in.txt 1.81KB
  8. 4.out.txt 33B
  9. 5.in.txt 1.24KB
  10. 5.out.txt 31B
  11. 6.in.txt 1.46KB
  12. 6.out.txt 31B
  13. 7.in.txt 1.21KB
  14. 7.out.txt 31B
  15. 8.in.txt 1.17KB
  16. 8.out.txt 30B

资源介绍:

Recall the definition of a trie: A trie of size � n is a rooted tree with � n vertices and ( � − 1 ) (n−1) edges, where each edge is marked with a character; Each vertex in a trie represents a string. Let � ( � ) s(x) be the string vertex � x represents; The root of the trie represents an empty string. Let vertex � u be the parent of vertex � v, and let � c be the character marked on the edge connecting vertex � u and � v, we have � ( � ) s(v) = � ( � ) + � s(u)+c. Here + + indicat
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