多校5

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#	Origin	Title
A	HDU 4911	Inversion
B	HDU 4912	Paths on the tree
C	HDU 4913	Least common multiple
D	HDU 4914	Linear recursive sequence
E	HDU 4915	Parenthese sequence
F	HDU 4916	Count on the path
G	HDU 4917	Permutation
H	HDU 4918	Query on the subtree
I	HDU 4919	Exclusive or
J	HDU 4920	Matrix multiplication

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Run ID	Username	Prob	Result	Time (ms)	Mem (MB)	Length	Lang	Submit Time

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