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View Compilation Error

0_0_30333875_31506.cpp: In function 'int main()':
0_0_30333875_31506.cpp:143:22: error: no match for 'operator==' (operand types are 'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' and 'int')
                 if(it==-1||se[cc].t<pos)
                      ^
0_0_30333875_31506.cpp:143:22: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/set:62:0,
                 from 0_0_30333875_31506.cpp:7:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_multiset.h:777:5: note: template<class _Key, class _Compare, class _Alloc> bool std::operator==(const std::multiset<_Key, _Compare, _Alloc>&, const std::multiset<_Key, _Compare, _Alloc>&)
     operator==(const multiset<_Key, _Compare, _Alloc>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_multiset.h:777:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::multiset<_Key, _Compare, _Alloc>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/set:61:0,
                 from 0_0_30333875_31506.cpp:7:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:793:5: note: template<class _Key, class _Compare, class _Alloc> bool std::operator==(const std::set<_Key, _Compare, _Alloc>&, const std::set<_Key, _Compare, _Alloc>&)
     operator==(const set<_Key, _Compare, _Alloc>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:793:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::set<_Key, _Compare, _Alloc>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/set:60:0,
                 from 0_0_30333875_31506.cpp:7:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_tree.h:970:5: note: template<class _Key, class _Val, class _KeyOfValue, class _Compare, class _Alloc> bool std::operator==(const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&, const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&)
     operator==(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_tree.h:970:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/set:60:0,
                 from 0_0_30333875_31506.cpp:7:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_tree.h:323:5: note: template<class _Val> bool std::operator==(const std::_Rb_tree_iterator<_Tp>&, const std::_Rb_tree_const_iterator<_Val>&)
     operator==(const _Rb_tree_iterator<_Val>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_tree.h:323:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::_Rb_tree_iterator<_Tp>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:64:0,
                 from 0_0_30333875_31506.cpp:6:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:271:5: note: template<class _Tp, class _Seq> bool std::operator==(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&)
     operator==(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:271:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::queue<_Tp, _Seq>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_30333875_31506.cpp:6:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_deque.h:2029:5: note: template<class _Tp, class _Alloc> bool std::operator==(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)
     operator==(const deque<_Tp, _Alloc>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_deque.h:2029:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::deque<_Tp, _Alloc>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_30333875_31506.cpp:6:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_deque.h:258:5: note: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> bool std::operator==(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)
     operator==(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_deque.h:258:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_30333875_31506.cpp:6:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_deque.h:251:5: note: template<class _Tp, class _Ref, class _Ptr> bool std::operator==(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)
     operator==(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_deque.h:251:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:51:0,
                 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_30333875_31506.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.tcc:2030:5: note: template<class _RealType1> bool std::operator==(const std::normal_distribution<_RealType>&, const std::normal_distribution<_RealType>&)
     operator==(const std::normal_distribution<_RealType>& __d1,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.tcc:2030:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::normal_distribution<_RealType>'
                 if(it==-1||se[cc].t<pos)
                         ^
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_30333875_31506.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:1511:5: note: template<class _Tp, class _Alloc> bool std::operator==(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)
     operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:1511:5: note:   template argument deduction/substitution failed:
0_0_30333875_31506.cpp:143:25: note:   'std::vector<nn>::iterator {aka __gnu_cxx::__normal_iterator<nn*, std::vector<nn> >}' is not derived from 'const std::vector<_Tp, _Alloc>'
                 if(it==-1||se[cc].t<pos)
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_facets.h:48:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_ios.h:37,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:44,
                 from GCC4.9.2/x86_64-w64


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