Eroare de compilare: user.cpp:12:1: error: ‘unordered_map’ does not name a type unordered_map<int, int> mp; ^ user.cpp: In function ‘int main()’: user.cpp:21:11: error: ‘mp’ was not declared in this scope if (mp.find(x) != mp.end()) { ^ user.cpp:29:8: error: ‘mp’ was not declared in this scope g << mp.size() << endl; ^ user.cpp:30:8: error: ‘unordered_map’ was not declared in this scope for (unordered_map<int, int>::iterator it = mp.begin(); it != mp.end(); it++) { ^ user.cpp:30:22: error: expected primary-expression before ‘int’ for (unordered_map<int, int>::iterator it = mp.begin(); it != mp.end(); it++) { ^ user.cpp:30:22: error: expected ‘;’ before ‘int’ user.cpp:30:59: error: ‘it’ was not declared in this scope for (unordered_map<int, int>::iterator it = mp.begin(); it != mp.end(); it++) { ^