0_0_30129812_21722.cpp: In function 'void read_graph()':
0_0_30129812_21722.cpp:29:9: error: reference to 'next' is ambiguous
next[e] = first[u[e]]; // 插入链表
^
0_0_30129812_21722.cpp:18:39: note: candidates are: int next [20005]
int d[N], first[N], u[N], v[N], w[N], next[N],n,m;
^
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++/deque:60,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
from 0_0_30129812_21722.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_30129812_21722.cpp:32:9: error: reference to 'next' is ambiguous
next[e+m] =first[u[e+m]]; // 反向边插入链表
^
0_0_30129812_21722.cpp:18:39: note: candidates are: int next [20005]
int d[N], first[N], u[N], v[N], w[N], next[N],n,m;
^
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++/deque:60,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
from 0_0_30129812_21722.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_30129812_21722.cpp: In function 'void Dijkstra(int)':
0_0_30129812_21722.cpp:47:40: error: reference to 'next' is ambiguous
for(int e = first[x]; e!=-1; e=next[e]) if(d[v[e]] > d[x]+w[e]){
^
0_0_30129812_21722.cpp:18:39: note: candidates are: int next [20005]
int d[N], first[N], u[N], v[N], w[N], next[N],n,m;
^
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++/deque:60,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
from 0_0_30129812_21722.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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