Eroare de compilare: user.cpp:12:9: error: reference to ‘vector’ is ambiguous int cmp(vector a,vector b) ^ user.cpp:6:8: note: candidates are: struct vector struct vector ^ In file included from /usr/include/c++/4.8/vector:64:0, from /usr/include/c++/4.8/bits/random.h:34, from /usr/include/c++/4.8/random:50, from /usr/include/c++/4.8/bits/stl_algo.h:65, from /usr/include/c++/4.8/algorithm:62, from user.cpp:2: /usr/include/c++/4.8/bits/stl_vector.h:210:11: note: template<class _Tp, class _Alloc> class std::vector class vector : protected _Vector_base<_Tp, _Alloc> ^ user.cpp:12:18: error: reference to ‘vector’ is ambiguous int cmp(vector a,vector b) ^ user.cpp:6:8: note: candidates are: struct vector struct vector ^ In file included from /usr/include/c++/4.8/vector:64:0, from /usr/include/c++/4.8/bits/random.h:34, from /usr/include/c++/4.8/random:50, from /usr/include/c++/4.8/bits/stl_algo.h:65, from /usr/include/c++/4.8/algorithm:62, from user.cpp:2: /usr/include/c++/4.8/bits/stl_vector.h:210:11: note: template<class _Tp, class _Alloc> class std::vector class vector : protected _Vector_base<_Tp, _Alloc> ^ user.cpp:12:26: error: expression list treated as compound expression in initializer [-fpermissive] int cmp(vector a,vector b) ^ user.cpp:13:1: error: expected ‘,’ or ‘;’ before ‘{’ token { ^ In file included from /usr/include/c++/4.8/algorithm:62:0, from user.cpp:2: /usr/include/c++/4.8/bits/stl_algo.h: In instantiation of ‘void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = vector*; _Compare = int]’: /usr/include/c++/4.8/bits/stl_algo.h:2250:70: required from ‘void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = vector*; _Compare = int]’ /usr/include/c++/4.8/bits/stl_algo.h:5514:55: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = vector*; _Compare = int]’ user.cpp:30:23: required from here /usr/include/c++/4.8/bits/stl_algo.h:2183:29: error: ‘__comp’ cannot be used as a function if (__comp(*__i, *__first)) ^ /usr/include/c++/4.8/bits/stl_algo.h: In instantiation of ‘void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = vector*; _Compare = int]’: /usr/include/c++/4.8/bits/stl_algo.h:5363:59: required from ‘void std::partial_sort(_RAIter, _RAIter, _RAIter, _Compare) [with _RAIter = vector*; _Compare = int]’ /usr/include/c++/4.8/bits/stl_algo.h:2355:68: required from ‘void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = vector*; _Size = int; _Compare = int]’ /usr/include/c++/4.8/bits/stl_algo.h:5513:44: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = vector*; _Compare = int]’ user.cpp:30:23: required from here