Eroare de compilare: main.cpp: In function 'int main()': main.cpp:10:2: error: reference to 'cin' is ambiguous 10 | cin >> n >> w; | ^~~ In file included from main.cpp:1: /usr/include/c++/10/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:3:15: note: 'std::ifstream cin' 3 | std::ifstream cin("rucsac.in"); | ^~~ main.cpp:11:31: error: reference to 'cin' is ambiguous 11 | for (int i = 1; i <= n; i++) cin >> elements[i].first >> elements[i].second; | ^~~ In file included from main.cpp:1: /usr/include/c++/10/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:3:15: note: 'std::ifstream cin' 3 | std::ifstream cin("rucsac.in"); | ^~~ main.cpp:15:2: error: reference to 'cout' is ambiguous 15 | cout << weight[w]; | ^~~~ In file included from main.cpp:1: /usr/include/c++/10/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:4:15: note: 'std::ofstream cout' 4 | std::ofstream cout("rucsac.out"); | ^~~~ Non zero exit status: 1