0_0_15969753_26281.cpp: In function 'void Add_Edge(int, int)':
0_0_15969753_26281.cpp:28:2: error: reference to 'next' is ambiguous
next[idx] = head[f]; to[idx] = t; head[f] = idx++;
^
0_0_15969753_26281.cpp:13:32: note: candidates are: int next [1000004]
int head[maxn], to[maxn << 1], next[maxn << 1], idx;
^
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_15969753_26281.cpp:3:
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_15969753_26281.cpp:29:2: error: reference to 'next' is ambiguous
next[idx] = head[t]; to[idx] = f; head[t] = idx++;
^
0_0_15969753_26281.cpp:13:32: note: candidates are: int next [1000004]
int head[maxn], to[maxn << 1], next[maxn << 1], idx;
^
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_15969753_26281.cpp:3:
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_15969753_26281.cpp: In function 'void dfs1(int, int, int)':
0_0_15969753_26281.cpp:37:31: error: reference to 'next' is ambiguous
for(int i = head[u]; ~i; i = next[i])
^
0_0_15969753_26281.cpp:13:32: note: candidates are: int next [1000004]
int head[maxn], to[maxn << 1], next[maxn << 1], idx;
^
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_15969753_26281.cpp:3:
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_15969753_26281.cpp: In function 'void dfs2(int, int)':
0_0_15969753_26281.cpp:52:2: error: reference to 'rank' is ambiguous
rank[tid[u]] = u;
^
0_0_15969753_26281.cpp:14:16: note: candidates are: int rank [500002]
int tid[maxn], rank[maxn], tim;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/utility:70,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
from 0_0_15969753_26281.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note: template<class> struct std::rank
struct rank
^
0_0_15969753_26281.cpp:55:31: error: reference to 'next' is ambiguous
for(int i = head[u]; ~i; i = next[i])
^
0_0_15969753_26281.cpp:13:32: note: candidates are: int next [1000004]
int head[maxn], to[maxn << 1], next[maxn << 1], idx;
^
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_15969753_26281.cpp:3:
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_15969753_26281.cpp: In function 'void build(int, int, int)':
0_0_15969753_26281.cpp:89:17: error: reference to 'rank' is ambiguous
sum[rt] = num[rank[l]];
^
0_0_15969753_26281.cpp:14:16: note: candidates are: int rank [500002]
int tid[maxn], rank[maxn], tim;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/move.h:57:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:59,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/utility:70,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:60,
from 0_0_15969753_26281.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note: template<class> struct std::rank
struct rank
^
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