F.A.Q
Hand In Hand
Online Acmers
Problem Archive
Realtime Judge Status
Authors Ranklist
 
     C/C++/Java Exams     
ACM Steps
Go to Job
Contest LiveCast
ICPC@China
Best Coder beta
VIP | STD Contests
    DIY | Web-DIY beta
Author ID 
Password 
 Register new ID

View Compilation Error

0_0_28262789_32333.cpp: In function 'int main()':
0_0_28262789_32333.cpp:31:40: error: no matching function for call to 'std::vector<int>::push_back(MyEdge)'
       edges.push_back(MyEdge(u, v, val));
                                        ^
0_0_28262789_32333.cpp:31:40: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_28262789_32333.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:913:7: note: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]
       push_back(const value_type& __x)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:913:7: note:   no known conversion for argument 1 from 'MyEdge' to 'const value_type& {aka const int&}'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:931:7: note: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]
       push_back(value_type&& __x)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:931:7: note:   no known conversion for argument 1 from 'MyEdge' to 'std::vector<int>::value_type&& {aka int&&}'
0_0_28262789_32333.cpp:38:30: error: request for member 'u' in 'edges.std::vector<_Tp, _Alloc>::operator[]<int, std::allocator<int> >(((std::vector<int>::size_type)i))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}'
       int r1 = find(edges[i].u), r2 = find(edges[i].v);
                              ^
0_0_28262789_32333.cpp:39:17: error: 'r2' was not declared in this scope
       if (r1 != r2) {
                 ^
0_0_28262789_32333.cpp:40:25: error: request for member 'val' in 'edges.std::vector<_Tp, _Alloc>::operator[]<int, std::allocator<int> >(((std::vector<int>::size_type)i))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}'
         sum += edges[i].val;
                         ^
0_0_28262789_32333.cpp:44:3: error: expected '}' at end of input
   }
   ^
0_0_28262789_32333.cpp:44:3: error: expected '}' at end of input
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:71:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_28262789_32333.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Iterator2 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = bool (*)(MyEdge, MyEdge)]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1846:27:   required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
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 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
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 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4716:78:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = bool (*)(MyEdge, MyEdge)]'
0_0_28262789_32333.cpp:33:47:   required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:121:46: error: could not convert '__it1.__gnu_cxx::__normal_iterator<_Iterator, _Container>::operator*<int*, std::vector<int> >()' from 'int' to 'MyEdge'
         { return bool(_M_comp(*__it1, *__it2)); }
                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_comp_iter<_Compare>::operator()(_Value&, _Iterator) [with _Value = int; _Iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = bool (*)(MyEdge, MyEdge)]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1827:34:   required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Val_comp_iter<bool (*)(MyEdge, MyEdge)>]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1855:46:   required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
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 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
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 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4716:78:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = bool (*)(MyEdge, MyEdge)]'
0_0_28262789_32333.cpp:33:47:   required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:166:37: error: could not convert '__val' from 'int' to 'MyEdge'
  { return bool(_M_comp(__val, *__it)); }
                                     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Value = int; _Compare = bool (*)(MyEdge, MyEdge)]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:129:76:   required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Distance = long long int; _Tp = int; _Compare = __gnu_cxx::__ops::_Iter_comp_val<bool (*)(MyEdge, MyEdge)>]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:230:51:   required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Distance = long long int; _Tp = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
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 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
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 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
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 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
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 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Size = long long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(MyEdge, MyEdge)>]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1969:11:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Com


Hangzhou Dianzi University Online Judge 3.0
Copyright © 2005-2025 HDU ACM Team. All Rights Reserved.
Designer & Developer : Wang Rongtao LinLe GaoJie GanLu
Total 0.000000(s) query 1, Server time : 2025-02-26 08:56:08, Gzip enabled