bestplace.cpp: In function 'int main()':
bestplace.cpp:5:2: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
5 | vector<int> x, y;
| ^~~~~~
| std::vector
In file included from /usr/include/c++/9/vector:67,
from /usr/include/c++/9/queue:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:86,
from bestplace.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:386:11: note: 'std::vector' declared here
386 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
bestplace.cpp:5:9: error: expected primary-expression before 'int'
5 | vector<int> x, y;
| ^~~
bestplace.cpp:6:2: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
6 | cin>>n;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from bestplace.cpp:1:
/usr/include/c++/9/iostream:60:18: note: 'std::cin' declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
bestplace.cpp:10:3: error: 'x' was not declared in this scope
10 | x.pb(a);
| ^
bestplace.cpp:11:3: error: 'y' was not declared in this scope
11 | y.pb(b);
| ^
bestplace.cpp:13:7: error: 'x' was not declared in this scope
13 | sort(x.begin(), x.end());
| ^
bestplace.cpp:13:2: error: 'sort' was not declared in this scope; did you mean 'std::sort'?
13 | sort(x.begin(), x.end());
| ^~~~
| std::sort
In file included from /usr/include/c++/9/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
from bestplace.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:4887:5: note: 'std::sort' declared here
4887 | sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
| ^~~~
bestplace.cpp:14:7: error: 'y' was not declared in this scope
14 | sort(y.begin(), y.end());
| ^
bestplace.cpp:15:2: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
15 | cout<<x[n/2]<<" "<<y[n/2]<<endl;
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from bestplace.cpp:1:
/usr/include/c++/9/iostream:61:18: note: 'std::cout' declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~
bestplace.cpp:15:29: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
15 | cout<<x[n/2]<<" "<<y[n/2]<<endl;
| ^~~~
| std::endl
In file included from /usr/include/c++/9/istream:39,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from bestplace.cpp:1:
/usr/include/c++/9/ostream:599:5: note: 'std::endl' declared here
599 | endl(basic_ostream<_CharT, _Traits>& __os)
| ^~~~