---

Lỗi biên dịch:

Main.cc: In function ‘int main()’:
Main.cc:9:5: error: ‘string’ was not declared in this scope
     string dap_an,bai_lam;
     ^~~~~~
Main.cc:9:5: note: suggested alternative: ‘stdin’
     string dap_an,bai_lam;
     ^~~~~~
     stdin
Main.cc:10:5: error: ‘cin’ was not declared in this scope
     cin >> so_cau_trac_nghiem;
     ^~~
Main.cc:10:5: note: suggested alternative: ‘sin’
     cin >> so_cau_trac_nghiem;
     ^~~
     sin
Main.cc:11:12: error: ‘dap_an’ was not declared in this scope
     cin >> dap_an;
            ^~~~~~
Main.cc:11:12: note: suggested alternative: ‘atan’
     cin >> dap_an;
            ^~~~~~
            atan
Main.cc:16:13: error: ‘bai_lam’ was not declared in this scope
      cin >> bai_lam;
             ^~~~~~~
Main.cc:16:13: note: suggested alternative: ‘basename’
      cin >> bai_lam;
             ^~~~~~~
             basename
Main.cc:26:3: error: ‘cout’ was not declared in this scope
   cout << fixed << setprecision(2) << diem[i] << endl;
   ^~~~
Main.cc:26:3: note: suggested alternative: ‘cosl’
   cout << fixed << setprecision(2) << diem[i] << endl;
   ^~~~
   cosl
Main.cc:26:11: error: ‘fixed’ was not declared in this scope
   cout << fixed << setprecision(2) << diem[i] << endl;
           ^~~~~
Main.cc:26:20: error: ‘setprecision’ was not declared in this scope
   cout << fixed << setprecision(2) << diem[i] << endl;
                    ^~~~~~~~~~~~
Main.cc:26:20: note: suggested alternative: ‘strcspn’
   cout << fixed << setprecision(2) << diem[i] << endl;
                    ^~~~~~~~~~~~
                    strcspn
Main.cc:26:50: error: ‘endl’ was not declared in this scope
   cout << fixed << setprecision(2) << diem[i] << endl;
                                                  ^~~~
Main.cc:26:50: note: suggested alternative: ‘ynl’
   cout << fixed << setprecision(2) << diem[i] << endl;
                                                  ^~~~
                                                  ynl