0_0_36370882_10202.cpp:9:5: error: uninitialized const 'a' [-fpermissive]
int a[2020];
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
from 0_0_36370882_10202.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h: In instantiation of 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1884:70: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1970:55: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4685:72: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = const int*]'
0_0_36370882_10202.cpp:19:17: required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1851:17: error: assignment of read-only location '* __first'
*__first = _GLIBCXX_MOVE(__val);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:61:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
from 0_0_36370882_10202.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h: In instantiation of 'void std::__pop_heap(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1676:50: required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1932:59: required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1947:59: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = const int*; _Size = long long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1969:11: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4685:72: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = const int*]'
0_0_36370882_10202.cpp:19:17: required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:244:17: error: assignment of read-only location '* __result'
*__result = _GLIBCXX_MOVE(*__first);
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h: In instantiation of 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = const int*; _Distance = long long int; _Tp = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:334:15: required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1673:49: required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1932:59: required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1947:59: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = const int*; _Size = long long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1969:11: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4685:72: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = const int*]'
0_0_36370882_10202.cpp:19:17: required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:218:29: error: assignment of read-only location '*(__first + ((sizetype)(((long long unsigned int)__holeIndex) * 4ull)))'
*(__first + __holeIndex) = _GLIBCXX_MOVE(*(__first + __secondChild));
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:224:29: error: assignment of read-only location '*(__first + ((sizetype)(((long long unsigned int)__holeIndex) * 4ull)))'
*(__first + __holeIndex) = _GLIBCXX_MOVE(*(__first
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/utility:70,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
from 0_0_36370882_10202.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h: In instantiation of 'void std::swap(_Tp&, _Tp&) [with _Tp = const int]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:148:22: required from 'void std::iter_swap(_ForwardIterator1, _ForwardIterator2) [with _ForwardIterator1 = const int*; _ForwardIterator2 = const int*]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:84:34: required from 'void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1921:13: required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1952:62: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = const int*; _Size = long long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1969:11: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4685:72: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = const int*]'
0_0_36370882_10202.cpp:19:17: required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:176:11: error: assignment of read-only reference '__a'
__a = _GLIBCXX_MOVE(__b);
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:177:11: error: assignment of read-only reference '__b'
__b = _GLIBCXX_MOVE(__tmp);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61:0,
from 0_0_36370882_10202.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h: In instantiation of '_BI2 std::__copy_move_backward_a(_BI1, _BI1, _BI2) [with bool _IsMove = true; _BI1 = const int*; _BI2 = const int*]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:607:33: required from '_BI2 std::__copy_move_backward_a2(_BI1, _BI1, _BI2) [with bool _IsMove = true; _BI1 = const int*; _BI2 = const int*]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:678:15: required from '_BI2 std::move_backward(_BI1, _BI1, _BI2) [with _BI1 = const int*; _BI2 = const int*]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1850:8: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1884:70: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1970:55: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = const int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4685:72: required from 'vo
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