提出 ff8302a0-99a5-457a-ad18-75838df099a2

コード

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

int main()
{
    queue<int> S;
    int Q,X,T;
    cin>>Q;
    for(int i=0;i<Q;i++){
        cin>>T;
        if(T==1)cin>>X;

        if(T==1){
           S.push(X); 
        }
         else if(T==2)cin>>X;
        else if(T==2){
            auto it = std::cbegin(S);  // 0 を指すイテレータ
                   // 1 を指すようになる
    v.insert(it, S);   
        }
        else if(T==3){ cout<<S.front()<<endl;
            S.pop();
        }
    }
}

結果

問題	点数	言語	結果	実行時間	メモリ
E - Q2	0	C++	WJ	0 ms	0 KiB

コンパイルエラー

Main.cpp: In function 'int main()':
Main.cpp:18:34: error: no matching function for call to 'cbegin(std::queue<int>&)'
   18 |             auto it = std::cbegin(S);  // 0 を指すイテレータ
      |                       ~~~~~~~~~~~^~~
In file included from /usr/include/c++/13/string:53,
                 from /usr/include/c++/13/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52,
                 from Main.cpp:1:
/usr/include/c++/13/bits/range_access.h:126:5: note: candidate: 'template<class _Container> constexpr decltype (std::begin(__cont)) std::cbegin(const _Container&)'
  126 |     cbegin(const _Container& __cont) noexcept(noexcept(std::begin(__cont)))
      |     ^~~~~~
/usr/include/c++/13/bits/range_access.h:126:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (std::begin(__cont)) std::cbegin(const _Container&) [with _Container = std::queue<int>]':
Main.cpp:18:34:   required from here
/usr/include/c++/13/bits/range_access.h:127:29: error: no matching function for call to 'begin(const std::queue<int>&)'
  127 |       -> decltype(std::begin(__cont))
      |                   ~~~~~~~~~~^~~~~~~~
In file included from /usr/include/c++/13/bits/algorithmfwd.h:39,
                 from /usr/include/c++/13/bits/stl_algo.h:59,
                 from /usr/include/c++/13/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51:
/usr/include/c++/13/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++/13/initializer_list:88:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/range_access.h:127:29: note:   'std::queue<int>' is not derived from 'std::initializer_list<_Tp>'
  127 |       -> decltype(std::begin(__cont))
      |                   ~~~~~~~~~~^~~~~~~~
/usr/include/c++/13/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++/13/bits/range_access.h:52:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&) [with _Container = const std::queue<int>]':
/usr/include/c++/13/bits/range_access.h:127:29:   required by substitution of 'template<class _Container> constexpr decltype (std::begin(__cont)) std::cbegin(const _Container&) [with _Container = std::queue<int>]'
Main.cpp:18:34:   required from here
/usr/include/c++/13/bits/range_access.h:52:50: error: 'const class std::queue<int>' has no member named 'begin'
   52 |     begin(_Container& __cont) -> decltype(__cont.begin())
      |                                           ~~~~~~~^~~~~
/usr/include/c++/13/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (std::begin(__cont)) std::cbegin(const _Container&) [with _Container = std::queue<int>]':
Main.cpp:18:34:   required from here
/usr/include/c++/13/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++/13/bits/range_access.h:63:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&) [with _Container = std::queue<int>]':
/usr/include/c++/13/bits/range_access.h:127:29:   required by substitution of 'template<class _Container> constexpr decltype (std::begin(__cont)) std::cbegin(const _Container&) [with _Container = std::queue<int>]'
Main.cpp:18:34:   required from here
/usr/include/c++/13/bits/range_access.h:63:56: error: 'const class std::queue<int>' has no member named 'begin'
   63 |     begin(const _Container& __cont) -> decltype(__cont.begin())
      |                                                 ~~~~~~~^~~~~
/usr/include/c++/13/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (std::begin(__cont)) std::cbegin(const _Container&) [with _Container = std::queue<int>]':
Main.cpp:18:34:   required from here
/usr/include/c++/13/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++/13/bits/range_access.h:95:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/range_access.h:127:29: note:   mismatched types '_Tp [_Nm]' and 'const std::queue<int>'
  127 |       -> decltype(std::begin(__cont))
      |                   ~~~~~~~~~~^~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:166:
/usr/include/c++/13/valarray:1227:5: note: candidate: 'template<class _Tp> _Tp* std::begin(valarray<_Tp>&)'
 1227 |     begin(valarray<_Tp>& __va) noexcept
      |     ^~~~~
/usr/include/c++/13/valarray:1227:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/range_access.h:127:29: note:   types 'std::valarray<_Tp>' and 'const std::queue<int>' have incompatible cv-qualifiers
  127 |       -> decltype(std::begin(__cont))
      |                   ~~~~~~~~~~^~~~~~~~
/usr/include/c++/13/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++/13/valarray:1238:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/range_access.h:127:29: note:   'const std::queue<int>' is not derived from 'const std::valarray<_Tp>'
  127 |       -> decltype(std::begin(__cont))
      |                   ~~~~~~~~~~^~~~~~~~
Main.cpp:20:5: error: 'v' was not declared in this scope
   20 |     v.insert(it, S);
      |     ^