Eroare de compilare: main.cpp: In function 'int main()': main.cpp:26:29: error: no matching function for call to 'std::stack<std::pair<char, int> >::push(char&, int&)' stiva.push(ch, i); ^ In file included from /usr/include/c++/6/stack:61:0, from main.cpp:3: /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<char, int>; _Sequence = std::deque<std::pair<char, int>, std::allocator<std::pair<char, int> > >; std::stack<_Tp, _Sequence>::value_type = std::pair<char, int>] push(const value_type& __x) ^~~~ /usr/include/c++/6/bits/stl_stack.h:218:7: note: candidate expects 1 argument, 2 provided /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<char, int>; _Sequence = std::deque<std::pair<char, int>, std::allocator<std::pair<char, int> > >; std::stack<_Tp, _Sequence>::value_type = std::pair<char, int>] push(value_type&& __x) ^~~~ /usr/include/c++/6/bits/stl_stack.h:223:7: note: candidate expects 1 argument, 2 provided Non zero exit status: 1