潇湘风夜:
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QTREE3 - Query on a tree again! 树链 Query on a tree II LCA题 [SPOJ-QTREE2] PT07J - Query on a tree III DFS序 + 主席树 POJ 1330 Nearest Common Ancestors 最近公共祖先 PAT L3-001 凑零钱
QTREE3 - Query on a tree again! 树链
Query on a tree II LCA题 [SPOJ-QTREE2]
PT07J - Query on a tree III DFS序 + 主席树
POJ 1330 Nearest Common Ancestors 最近公共祖先
PAT L3-001 凑零钱