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View Compilation Error

0_0_11693088_26865.cpp:19: error: expected `,' or `...' before '&' token
0_0_11693088_26865.cpp:20: error: ISO C++ forbids declaration of `node' with no type
0_0_11693088_26865.cpp: In member function `bool nude::operator<(int) const':
0_0_11693088_26865.cpp:21: error: `a' undeclared (first use this function)
0_0_11693088_26865.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_function.h: In member function `bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = nude]':
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_heap.h:279:   instantiated from `void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<nude*, std::vector<nude, std::allocator<nude> > >, _Distance = int, _Tp = nude, _Compare = std::less<nude>]'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_heap.h:404:   instantiated from `void std::make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<nude*, std::vector<nude, std::allocator<nude> > >, _Compare = std::less<nude>]'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_queue.h:369:   instantiated from `std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(const _Compare&, const _Sequence&) [with _Tp = nude, _Sequence = std::vector<nude, std::allocator<nude> >, _Compare = std::less<nude>]'
0_0_11693088_26865.cpp:57:   instantiated from here
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_function.h:227: error: no match for 'operator<' in '__x < __y'
0_0_11693088_26865.cpp:20: note: candidates are: bool nude::operator<(int) const


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