Language: C++

#include <bits/stdc++.h>
using namespace std;

/* #pragma */
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

/*alias*/
#define F first
#define S second

#define y0 y3487465
#define y1 y8687969
#define j0 j1347829
#define j1 j234892
#define next asdnext
#define prev asdprev
#define itn int
#define endl '\n'

/*struct*/
struct aaa {
	aaa() {
		cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20);
	};
}aaaaaaa;

/*template*/
template<class T>constexpr bool amax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; }
template<class T>constexpr bool amin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; }

/* func */
constexpr int32_t GCD(int32_t a, int32_t b){return b ? GCD(b, a%b) : a;}
constexpr int64_t GCD(int64_t a, int64_t b){return b ? GCD(b, a%b) : a;}
constexpr int32_t LCM(int32_t a, int32_t b){return a / GCD(a, b) * b;}
constexpr int64_t LCM(int64_t a, int64_t b){return a / GCD(a, b) * b;}

/* const */
constexpr int32_t INF = 1001001001;
constexpr int64_t LINF = 1001001001001001001ll;
constexpr int32_t MOD = 1e9 + 7;
constexpr int32_t EPS = 1e-9;
constexpr int32_t dx[] = { 1, 1, 0, -1, -1, -1, 0, 1 }, dy[] = { 0, 1, 1, 1, 0, -1, -1, -1 };
//constexpr int32_t dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1};


//g++ -std=c++14 -Wall --pedantic-errors -o template template.cpp
//g++ -std=c++14 -Wall --pedantic-errors template.cpp
//chcp 65001

//#define int int64_t

/*global*/



signed main()
{
	int n, m; cin >> n >> m;
	priority_queue<int> q;
	for (size_t i = 0; i < n; i++)
	{
		int a; cin >> a;
		q.push(a);
	}

	for (size_t i = 0; i < m; i++)
	{
		int large = q.top;
		q.pop();
		large >>= 1;

		q.push(large);
	}
	int sum{};
	for(auto& a: q)
	{
		sum += q.top();
		q.pop();
	}
	
	cout << sum;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:69:31: error: cannot convert 'std::priority_queue<int>::top' from type 'const __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type& (std::priority_queue<int>::)() const' {aka 'const int& (std::priority_queue<int>::)() const'} to type 'int'
   69 |                 int large = q.top;
      |                               ^~~
a.cc:76:22: error: no matching function for call to 'begin(std::priority_queue<int>&)'
   76 |         for(auto& a: q)
      |                      ^
In file included from /usr/include/c++/14/bits/algorithmfwd.h:39,
                 from /usr/include/c++/14/bits/stl_algo.h:59,
                 from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/initializer_list:88:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::begin(initializer_list<_Tp>)'
   88 |     begin(initializer_list<_Tp> __ils) noexcept
      |     ^~~~~
/usr/include/c++/14/initializer_list:88:5: note:   template argument deduction/substitution failed:
a.cc:76:22: note:   'std::priority_queue<int>' is not derived from 'std::initializer_list<_Tp>'
   76 |         for(auto& a: q)
      |                      ^
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/range_access.h:52:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&)'
   52 |     begin(_Container& __cont) -> decltype(__cont.begin())
      |     ^~~~~
/usr/include/c++/14/bits/range_access.h:52:5: note:   template argument deduction/substitution failed:
/usr/include/c++/14/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&) [with _Container = std::priority_queue<int>]':
a.cc:76:15:   required from here
   76 |         for(auto& a: q)
      |                      ^
/usr/include/c++/14/bits/range_access.h:52:50: error: 'class std::priority_queue<int>' has no member named 'begin'
   52 |     begin(_Container& __cont) -> decltype(__cont.begin())
      |                                           ~~~~~~~^~~~~
/usr/include/c++/14/bits/range_access.h:63:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&)'
   63 |     begin(const _Container& __cont) -> decltype(__cont.begin())
      |     ^~~~~
/usr/include/c++/14/bits/range_access.h:63:5: note:   template argument deduction/substitution failed:
/usr/include/c++/14/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&) [with _Container = std::priority_queue<int>]':
a.cc:76:15:   required from here
   76 |         for(auto& a: q)
      |                      ^
/usr/include/c++/14/bits/range_access.h:63:56: error: 'const class std::priority_queue<int>' has no member named 'begin'
   63 |     begin(const _Container& __cont) -> decltype(__cont.begin())
      |                                                 ~~~~~~~^~~~~
/usr/include/c++/14/bits/range_access.h:95:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::begin(_Tp (&)[_Nm])'
   95 |     begin(_Tp (&__arr)[_Nm]) noexcept
      |     ^~~~~
/usr/include/c++/14/bits/range_access.h:95:5: note:   template argument deduction/substitution failed:
a.cc:76:22: note:   mismatched types '_Tp [_Nm]' and 'std::priority_queue<int>'
   76 |         for(auto& a: q)
      |                      ^
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/valarray:1227:5: note: candidate: 'template<class _Tp> _Tp* std::begin(valarray<_Tp>&)'
 1227 |     begin(valarray<_Tp>& __va) noexcept
      |     ^~~~~
/usr/include/c++/14/valarray:1227:5: note:   template argument deduction/substitution failed:
a.cc:76:22: note:   'std::priority_queue<int>' is not derived from 'std::valarray<_Tp>'
   76 |         for(auto& a: q)
      |                      ^
/usr/include/c++/14/valarray:1238:5: note: candidate: 'template<class _Tp> const _Tp* std::begin(const valarray<_Tp>&)'
 1238 |     begin(const valarray<_Tp>& __va) noexcept
      |     ^~~~~
/usr/include/c++/14/valarray:1238:5: note:   template argument deduction/substitution failed:
a.cc:76:22: note:   'std::priority_queue<int>' is not derived from 'const std::valarray<_Tp>'
   76 |         for(auto& a: q)
      |                      ^
a.cc:76:22: error: no matching function for call to 'end(std::priority_queue<int>&)'
/usr/include/c++/14/initializer_list:99:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(initializer_list<_Tp>)'
   99 |     end(initializer_list<_Tp> __ils) noexcept
      |     ^~~
/usr/include/c++/14/initializer_list:99:5: note:   template argument deduction/substitution failed:
a.cc:76:22: note:   'std::priority_queue<int>' is not derived from 'std::initializer_list<_Tp>'
   76 |         for(auto& a: q)
      |                      ^
/usr/include/c++/14/bits/range_access.h:74:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)'
   74 |     end(_Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:74:5: note:   template argument deduction/substitution failed:
/usr/include/c++/14/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&) [with _Container = std::priority_queue<int>]':
a.cc:76:15:   required from here
   76 |         for(auto& a: q)
      |                      ^
/usr/include/c++/14/bits/range_access.h:74:48: error: 'class std::priority_queue<int>' has no member named 'end'
   74 |     end(_Container& __cont) -> decltype(__cont.end())
      |                                         ~~~~~~~^~~
/usr/include/c++/14/bits/range_access.h:85:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)'
   85 |     end(const _Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:85:5: note:   template argument deduction/substitution failed:
/usr/include/c++/14/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&) [with _Container = std::priority_queue<int>]':
a.cc:76:15:   required from here
   76 |         for(auto& a: q)
      |                      ^
/usr/include/c++/14/bits/range_access.h:85:54: error: 'const class std::priority_queue<int>' has no member named 'end'
   85 |     end(const _Container& __cont) -> decltype(__cont.end())
      |                                               ~~~~~~~^~~
/usr/include/c++/14/bits/range_access.h:106:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
  106 |     end(_Tp (&__arr)[_Nm]) noexcept
      |     ^~~
/usr/include/c++/14/bits/range_access.h:106:5: note:   template argument deduction/substitution failed:
a.cc:76:22: note:   mismatched types '_Tp [_Nm]' and 'std::priority_queue<int>'
   76 |         for(auto& a: q)
      |                      ^
/usr/include/c++/14/valarray:1249:5: note: candidate: 'template<class _Tp> _Tp* std::end(valarray<_Tp>&)'
 1249 |     end(valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1249:5: note:   template argument deduction/substitution failed:
a.cc:76:22: note:   'std::priority_queue<int>' is not derived from 'std::valarray<_Tp>'
   76 |         for(auto& a: q)
      |                      ^
/usr/include/c++/14/valarray:1265:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const valarray<_Tp>&)'
 1265 |     end(const valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1265:5: note:   template argument deduction/substitution failed:
a.cc:76:22: note:   'std::priority_queue<int>' is not derived from 'const std::valarray<_Tp>'
   76 |         for(auto& a: q)
      |                      ^