joi2019_ho_t2.cpp:3:8: error: expected unqualified-id before 'namespace'
3 | signed namespace std;
| ^~~~~~~~~
cc1plus: error: '::main' must return 'int'
joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:5:5: error: 'ios_base' has not been declared
5 | ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
| ^~~~~~~~
joi2019_ho_t2.cpp:5:35: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
5 | ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:75,
from joi2019_ho_t2.cpp:1:
/usr/include/c++/10/iostream:60:18: note: 'std::cin' declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
joi2019_ho_t2.cpp:5:47: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
5 | ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:75,
from joi2019_ho_t2.cpp:1:
/usr/include/c++/10/iostream:61:18: note: 'std::cout' declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~
joi2019_ho_t2.cpp:7:5: error: 'vector' was not declared in this scope
7 | vector<pair<int, int>> a(n);
| ^~~~~~
joi2019_ho_t2.cpp:7:5: note: suggested alternatives:
In file included from /usr/include/c++/10/vector:67,
from /usr/include/c++/10/functional:62,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from joi2019_ho_t2.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'std::vector'
389 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
In file included from /usr/include/c++/10/functional:62,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from joi2019_ho_t2.cpp:1:
/usr/include/c++/10/vector:86:13: note: 'std::pmr::vector'
86 | using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
| ^~~~~~
joi2019_ho_t2.cpp:7:12: error: 'pair' was not declared in this scope; did you mean 'std::pair'?
7 | vector<pair<int, int>> a(n);
| ^~~~
| std::pair
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from joi2019_ho_t2.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:211:12: note: 'std::pair' declared here
211 | struct pair
| ^~~~
joi2019_ho_t2.cpp:2:13: error: expected primary-expression before 'long'
2 | #define int long long
| ^~~~
joi2019_ho_t2.cpp:7:17: note: in expansion of macro 'int'
7 | vector<pair<int, int>> a(n);
| ^~~
joi2019_ho_t2.cpp:2:13: error: expected primary-expression before 'long'
2 | #define int long long
| ^~~~
joi2019_ho_t2.cpp:8:10: note: in expansion of macro 'int'
8 | vector<int> b(m);
| ^~~
joi2019_ho_t2.cpp:9:19: error: 'a' was not declared in this scope
9 | for(auto &p : a) cin >> p.second >> p.first;
| ^
joi2019_ho_t2.cpp:10:18: error: 'b' was not declared in this scope
10 | for(int &p : b) cin >> p;
| ^
joi2019_ho_t2.cpp:11:10: error: 'a' was not declared in this scope
11 | sort(a.rbegin(), a.rend());
| ^
joi2019_ho_t2.cpp:11:5: error: 'sort' was not declared in this scope; did you mean 'std::sort'?
11 | sort(a.rbegin(), a.rend());
| ^~~~
| std::sort
In file included from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from joi2019_ho_t2.cpp:1:
/usr/include/c++/10/pstl/glue_algorithm_defs.h:296:1: note: 'std::sort' declared here
296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last);
| ^~~~
joi2019_ho_t2.cpp:12:10: error: 'b' was not declared in this scope
12 | sort(b.rbegin(), b.rend());
| ^