Eroare de compilare: main.cpp:21:17: error: class template placeholder 'std::iterator' not permitted in this context 21 | void build (iterator.first, iterator.last){ | ^~~~~~~~ main.cpp:21:17: note: use 'auto' for an abbreviated function template main.cpp:21:25: error: expected ',' or '...' before '.' token 21 | void build (iterator.first, iterator.last){ | ^ main.cpp: In member function 'void Segmtree::build(...)': main.cpp:22:22: error: 'first' was not declared in this scope 22 | n = distance(first,last); | ^~~~~ main.cpp:22:28: error: 'last' was not declared in this scope; did you mean 'std::chrono::last'? 22 | n = distance(first,last); | ^~~~ | std::chrono::last In file included from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:101, from main.cpp:1: /usr/include/c++/12.2.1/chrono:133:32: note: 'std::chrono::last' declared here 133 | inline constexpr last_spec last{}; | ^~~~ main.cpp:25:44: error: 'i' was not declared in this scope 25 | for (auto it = first;it!=last;it++,i++){ | ^ main.cpp:29:14: error: invalid types 'int[int]' for array subscript 29 | t[i] = merge(t[i<<1],t[i<<1|1]); | ^ main.cpp:29:27: error: invalid types 'int[int]' for array subscript 29 | t[i] = merge(t[i<<1],t[i<<1|1]); | ^ main.cpp:29:35: error: invalid types 'int[int]' for array subscript 29 | t[i] = merge(t[i<<1],t[i<<1|1]); | ^ main.cpp: In function 'int main()': main.cpp:57:5: error: 'Segtree' was not declared in this scope; did you mean 'Segmtree'? 57 | Segtree S; | ^~~~~~~ | Segmtree main.cpp:58:5: error: 'S' was not declared in this scope 58 | S.build(a,a+n); | ^ main.cpp:63:26: error: 'node' was not declared in this scope 63 | S.update(a-1,node(b)); | ^~~~ main.cpp:65:21: error: 'query' was not declared in this scope 65 | fout << query(a-1,b) << '\n'; | ^~~~~ Non zero exit status: 1