Problem	gfriendtree
User	Potato3218
Submission Time	2023-12-23 11:34:41
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

gfriendtree.cpp: In constructor ‘node::node(long long int, long long int)’:
gfriendtree.cpp:9:77: error: expected ‘{’ before ‘.’ token
9 | node(int s, int e): s(s), e(e), mid((s + e) >> 1), val_mx(0), val_sum(0). l(NULL), r(NULL){}
| ^