Eroare de compilare: main.cpp: In function 'void solve()': main.cpp:38:8: error: expected unqualified-id before '[' token auto [l, r] = st.top(); ^ main.cpp:41:6: error: 'l' was not declared in this scope if(l == r){ ^ main.cpp:41:11: error: 'r' was not declared in this scope if(l == r){ ^ main.cpp:46:14: error: 'l' was not declared in this scope int mid = (l + r) >> 1; ^ main.cpp:46:18: error: 'r' was not declared in this scope int mid = (l + r) >> 1; ^ main.cpp:47:19: error: no matching function for call to 'std::stack<std::pair<int, int> >::push(<brace-enclosed initializer list>)' st.push({l, mid}); ^ In file included from /usr/include/c++/6/stack:61:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:89, from main.cpp:1: /usr/include/c++/6/bits/stl_stack.h:218:7: note: candidate: void std::stack<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::stack<_Tp, _Sequence>::value_type = std::pair<int, int>] push(const value_type& __x) ^~~~ /usr/include/c++/6/bits/stl_stack.h:218:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type& {aka const std::pair<int, int>&}' /usr/include/c++/6/bits/stl_stack.h:223:7: note: candidate: void std::stack<_Tp, _Sequence>::push(std::stack<_Tp, _Sequence>::value_type&&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::stack<_Tp, _Sequence>::value_type = std::pair<int, int>] push(value_type&& __x) ^~~~ /usr/include/c++/6/bits/stl_stack.h:223:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::stack<std::pair<int, int> >::value_type&& {aka std::pair<int, int>&&}' main.cpp:48:23: error: no matching function for call to 'std::stack<std::pair<int, int> >::push(<brace-enclosed initializer list>)' st.push({mid + 1, r}); ^ In file included from /usr/include/c++/6/stack:61:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:89, from main.cpp:1: /usr/include/c++/6/bits/stl_stack.h:218:7: note: candidate: void std::stack<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::stack<_Tp, _Sequence>::value_type = std::pair<int, int>] push(const value_type& __x) ^~~~ /usr/include/c++/6/bits/stl_stack.h:218:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type& {aka const std::pair<int, int>&}' /usr/include/c++/6/bits/stl_stack.h:223:7: note: candidate: void std::stack<_Tp, _Sequence>::push(std::stack<_Tp, _Sequence>::value_type&&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::stack<_Tp, _Sequence>::value_type = std::pair<int, int>] push(value_type&& __x) ^~~~ /usr/include/c++/6/bits/stl_stack.h:223:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::stack<std::pair<int, int> >::value_type&& {aka std::pair<int, int>&&}' main.cpp: In function 'int main()': main.cpp:84:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("unique.in", "r", stdin); ^ main.cpp:85:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("unique.out", "w", stdout); Non zero exit status: 1