111qqz的小窝
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hdu 3078 Network (LCA)
2017-07-30
· 2 min read
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dfs
LCA
rmq
codeforces #425 D. Misha, Grisha and Underground (dfs+rmq在线求LCA,讨论了一年)
2017-07-30
· 3 min read
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dfs
LCA
rmq
codeforces 123 D. String (后缀数组+两次二分得到区间+rmq)
2016-08-02
· 3 min read
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rmq
二分
后缀数组
hdu 4123 Bob’s Race (树的直径+尺取+rmq)(珍爱生命,远离log)
2016-07-17
· 2 min read
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rmq
尺取法
树的直径
zoj 3195 Design the city (lca,dfs+rmq)
2016-05-21
· 1 min read
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LCA
rmq
hdu 2874 Connections between cities (添加虚点,并查集+LCA(rmq+dfs))
2016-05-21
· 3 min read
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LCA
rmq
并查集
虚点
poj 1986 Distance Queries (lca,在线做法dfs+rmq)
2016-05-20
· 1 min read
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LCA
rmq
hdu 3530 Subsequence (尺取+rmq)
2016-05-19
· 1 min read
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rmq
尺取法
poj 1470 Closest Common Ancestors (lca,rmq+dfs,读入技巧)
2016-05-19
· 2 min read
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dfs
LCA
rmq
poj 1330 Nearest Common Ancestors (lca,用dfs+rmq在线求解)
2016-05-19
· 2 min read
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dfs
LCA
rmq
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