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View Compilation Error

0_0_39472185_23105.cpp: In function 'void build(int&, int, int)':
0_0_39472185_23105.cpp:21:16: error: reference to 'size' is ambiguous
   21 |         rt = ++size;
      |                ^~~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string:53,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bitset:52,
                 from .\stdc++.h:52:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:274:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:264:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  264 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
0_0_39472185_23105.cpp:7:49: note:                 'int size'
    7 | int L[20*N],R[20*N],T[20*N],sum[20*N],a[N],b[N],size;
      |                                                 ^~~~
0_0_39472185_23105.cpp: In function 'void update(int&, int, int, int, int)':
0_0_39472185_23105.cpp:31:20: error: reference to 'size' is ambiguous
   31 |         newone = ++size;
      |                    ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:274:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:264:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  264 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
0_0_39472185_23105.cpp:7:49: note:                 'int size'
    7 | int L[20*N],R[20*N],T[20*N],sum[20*N],a[N],b[N],size;
      |                                                 ^~~~
0_0_39472185_23105.cpp: In function 'int main()':
0_0_39472185_23105.cpp:55:17: error: reference to 'size' is ambiguous
   55 |                 size=0;
      |                 ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:274:5: note: candidates are: 'template<class _Tp, long long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  274 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/range_access.h:264:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  264 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
0_0_39472185_23105.cpp:7:49: note:                 'int size'
    7 | int L[20*N],R[20*N],T[20*N],sum[20*N],a[N],b[N],size;
      |                                                 ^~~~


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