Main.cc: In function ‘int main()’:
Main.cc:17:5: error: ‘cin’ was not declared in this scope
cin >> n;
^~~
Main.cc:17:5: note: suggested alternative: ‘main’
cin >> n;
^~~
main
Main.cc:20:5: error: ‘sort’ was not declared in this scope
sort( a, a+n );
^~~~
Main.cc:20:5: note: suggested alternative: ‘short’
sort( a, a+n );
^~~~
short
Main.cc:21:33: error: ‘INT_MIN’ was not declared in this scope
int j = 0, b[100000], nho = INT_MIN;
^~~~~~~
Main.cc:21:33: note: suggested alternative: ‘__WINT_MIN__’
int j = 0, b[100000], nho = INT_MIN;
^~~~~~~
__WINT_MIN__
Main.cc:37:5: error: ‘cout’ was not declared in this scope
cout << ketqua;
^~~~