0_0_14818604_9793.cpp: In function 'int main()':
0_0_14818604_9793.cpp:41:13: error: reference to 'next' is ambiguous
next = it,pre = it;
^
0_0_14818604_9793.cpp:20:31: note: candidates are: std::map<long long int, long long int>::iterator next
map<LL,LL> ::iterator it,pre,next;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
from 0_0_14818604_9793.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
next(_ForwardIterator __x, typename
^
0_0_14818604_9793.cpp:44:13: error: reference to 'next' is ambiguous
next++;
^
0_0_14818604_9793.cpp:20:31: note: candidates are: std::map<long long int, long long int>::iterator next
map<LL,LL> ::iterator it,pre,next;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
from 0_0_14818604_9793.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
next(_ForwardIterator __x, typename
^
0_0_14818604_9793.cpp:45:16: error: reference to 'next' is ambiguous
if(next==vis.end()) next= vis.begin();
^
0_0_14818604_9793.cpp:20:31: note: candidates are: std::map<long long int, long long int>::iterator next
map<LL,LL> ::iterator it,pre,next;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
from 0_0_14818604_9793.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
next(_ForwardIterator __x, typename
^
0_0_14818604_9793.cpp:45:33: error: reference to 'next' is ambiguous
if(next==vis.end()) next= vis.begin();
^
0_0_14818604_9793.cpp:20:31: note: candidates are: std::map<long long int, long long int>::iterator next
map<LL,LL> ::iterator it,pre,next;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
from 0_0_14818604_9793.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
next(_ForwardIterator __x, typename
^
0_0_14818604_9793.cpp:47:49: error: reference to 'next' is ambiguous
if((pre->first+ it->first) % mod == next->first) cnt += it-> second;
^
0_0_14818604_9793.cpp:20:31: note: candidates are: std::map<long long int, long long int>::iterator next
map<LL,LL> ::iterator it,pre,next;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
from 0_0_14818604_9793.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
next(_ForwardIterator __x, typename
^
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