Main.cc:1:1: error: ‘include’ does not name a type; did you mean ‘__has_include’? include ^~~~~~~ __has_include Main.cc: In function ‘int main()’: Main.cc:7:1: error: ‘cin’ was not declared in this scope cin >> n; ^~~ Main.cc:7:1: note: suggested alternative: ‘main’ cin >> n; ^~~ main Main.cc:18:1: error: ‘sort’ was not declared in this scope sort ( a + 1, a + n + 1 ); ^~~~ Main.cc:18:1: note: suggested alternative: ‘short’ sort ( a + 1, a + n + 1 ); ^~~~ short Main.cc:23:2: error: ‘cout’ was not declared in this scope cout << c[i] << ' ' << b[c[i]] + 1 << endl; ^~~~ Main.cc:23:40: error: ‘endl’ was not declared in this scope cout << c[i] << ' ' << b[c[i]] + 1 << endl; ^~~~ Main.cc:23:40: note: suggested alternative: ‘enum’ cout << c[i] << ' ' << b[c[i]] + 1 << endl; ^~~~ enum