Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
int main()
{
  int N, T;
  cin >> N >> T;
  vector <int> cost;
  for (int i = 0; i < N; i++) {
    int c, t;
    cin >> c >> t;
    if (t <= T) cost.push_back(c);
  }
  if (cost.size()==0) {
    cout << "TLE" << endl;
    return 0;
  }
  sort(cost.begin(), cost, end());
  cout << cost[0] << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin >> N >> T;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:3: error: 'vector' was not declared in this scope
    8 |   vector <int> cost;
      |   ^~~~~~
a.cc:8:3: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:8:11: error: expected primary-expression before 'int'
    8 |   vector <int> cost;
      |           ^~~
a.cc:12:17: error: 'cost' was not declared in this scope; did you mean 'const'?
   12 |     if (t <= T) cost.push_back(c);
      |                 ^~~~
      |                 const
a.cc:14:7: error: 'cost' was not declared in this scope; did you mean 'const'?
   14 |   if (cost.size()==0) {
      |       ^~~~
      |       const
a.cc:15:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |     cout << "TLE" << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:15:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   15 |     cout << "TLE" << endl;
      |                      ^~~~
      |                      std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:18:8: error: 'cost' was not declared in this scope; did you mean 'const'?
   18 |   sort(cost.begin(), cost, end());
      |        ^~~~
      |        const
a.cc:18:28: error: 'end' was not declared in this scope; did you mean 'std::end'?
   18 |   sort(cost.begin(), cost, end());
      |                            ^~~
      |                            std::end
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40:
/usr/include/c++/14/bits/range_access.h:116:37: note: 'std::end' declared here
  116 |   template<typename _Tp> const _Tp* end(const valarray<_Tp>&) noexcept;
      |                                     ^~~
a.cc:18:3: error: 'sort' was not declared in this scope; did you mean 'std::sort'?
   18 |   sort(cost.begin(), cost, end());
      |   ^~~~
      |   std::sort
In file included from /usr/include/c++/14/algorithm:86,
                 from a.cc:3:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note: 'std::sort' declared here
  296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last);
      | ^~~~
a.cc:19:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   19 |   cout << cost[0] << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:19:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   19 |   cout << cost[0] << endl;
      |                      ^~~~
      |                      std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~