Language: C++

#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#define IO(i, o) freopen(i, "r", stdin), freopen(o, "w", stdout)

using namespace std;
using namespace __gnu_pbds;
typedef tree<long long, null_type, less<long long>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count());

int n, m;

int main(){
	//IO("input.txt", "output.txt");
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> n >> m;
	priority_queue<int> st;
	for(int i = 0; i < n; i++){
		int val;
		cin >> val;
		st.push(val);
	}
	while(m){
		int top = st.top();
		st.pop();
		top /= 2;
		st.push(top);
		m--
	}
	long long sum = 0;
	for(auto &i : st) sum += i;
	cout << sum << "\n";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:20: error: expected ';' before '}' token
   29 |                 m--
      |                    ^
      |                    ;
   30 |         }
      |         ~           
a.cc:32:23: error: no matching function for call to 'begin(std::priority_queue<int>&)'
   32 |         for(auto &i : st) sum += i;
      |                       ^~
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:32:23: note:   'std::priority_queue<int>' is not derived from 'std::initializer_list<_Tp>'
   32 |         for(auto &i : st) sum += i;
      |                       ^~
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:32:16:   required from here
   32 |         for(auto &i : st) sum += i;
      |                       ^~
/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:32:16:   required from here
   32 |         for(auto &i : st) sum += i;
      |                       ^~
/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:32:23: note:   mismatched types '_Tp [_Nm]' and 'std::priority_queue<int>'
   32 |         for(auto &i : st) sum += i;
      |                       ^~
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:32:23: note:   'std::priority_queue<int>' is not derived from 'std::valarray<_Tp>'
   32 |         for(auto &i : st) sum += i;
      |                       ^~
/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:32:23: note:   'std::priority_queue<int>' is not derived from 'const std::valarray<_Tp>'
   32 |         for(auto &i : st) sum += i;
      |                       ^~
a.cc:32:23: 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:32:23: note:   'std::priority_queue<int>' is not derived from 'std::initializer_list<_Tp>'
   32 |         for(auto &i : st) sum += i;
      |                       ^~
/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:32:16:   required from here
   32 |         for(auto &i : st) sum += i;
      |                       ^~
/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:32:16:   required from here
   32 |         for(auto &i : st) sum += i;
      |                       ^~
/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:32:23: note:   mismatched types '_Tp [_Nm]' and 'std::priority_queue<int>'
   32 |         for(auto &i : st) sum += i;
      |                       ^~
/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:32:23: note:   'std::priority_queue<int>' is not derived from 'std::valarray<_Tp>'
   32 |         for(auto &i : st) sum += i;
      |                       ^~
/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:32:23: note:   'std::priority_queue<int>' is not derived from 'const std::valarray<_Tp>'
   32 |         for(auto &i : st) sum += i;
      |                       ^~