Eroare de compilare: main.cpp:6:13: error: variable 'std::ifstream cin' has initializer but incomplete type 6 | ifstream cin("pscpld.in"); | ^ main.cpp:7:14: error: variable 'std::ofstream cout' has initializer but incomplete type 7 | ofstream cout("pscpld.out"); | ^ main.cpp: In function 'int main()': main.cpp:13:5: error: reference to 'cin' is ambiguous 13 | cin >> a; | ^~~ In file included from main.cpp:1: /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:6:10: note: '<typeprefixerror>cin' 6 | ifstream cin("pscpld.in"); | ^~~ main.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int i = 0; i < a.size(); i++) { | ~~^~~~~~~~~~ main.cpp:22:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int i = 0; i < s.size(); i++) { | ~~^~~~~~~~~~ main.cpp:34:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:36:5: error: reference to 'cout' is ambiguous 36 | cout << ans; | ^~~~ /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:7:10: note: '<typeprefixerror>cout' 7 | ofstream cout("pscpld.out"); | ^~~~ Non zero exit status: 1