0_0_36836927_1779.cpp:5:1: error: 'LL' does not name a type
LL w[N];
^
0_0_36836927_1779.cpp: In function 'void build(int, int, int)':
0_0_36836927_1779.cpp:21:20: error: 'w' was not declared in this scope
tr[u]={l,r,w[r]};
^
0_0_36836927_1779.cpp:21:14: error: no match for 'operator=' (operand types are 'node' and '<brace-enclosed initializer list>')
tr[u]={l,r,w[r]};
^
0_0_36836927_1779.cpp:21:14: note: candidates are:
0_0_36836927_1779.cpp:8:8: note: node& node::operator=(const node&)
struct node
^
0_0_36836927_1779.cpp:8:8: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const node&'
0_0_36836927_1779.cpp:8:8: note: node& node::operator=(node&&)
0_0_36836927_1779.cpp:8:8: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'node&&'
0_0_36836927_1779.cpp: In function 'int main()':
0_0_36836927_1779.cpp:58:36: error: 'w' was not declared in this scope
for(int i=1;i<=n;i++) cin>>w[i];
^
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