0_0_16834876_21016.cpp: In function 'void dfs2(int, int)':
0_0_16834876_21016.cpp:67:2: error: reference to 'rank' is ambiguous
rank[pos[x]]=x;
^
0_0_16834876_21016.cpp:23:19: note: candidates are: int rank [50010]
int dep[N],pos[N],rank[N],fa[N];
^
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_16834876_21016.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note: template<class> struct std::rank
struct rank
^
0_0_16834876_21016.cpp: In function 'void build(int, int, int)':
0_0_16834876_21016.cpp:101:16: error: reference to 'rank' is ambiguous
sum[now]=num[rank[nowl]];
^
0_0_16834876_21016.cpp:23:19: note: candidates are: int rank [50010]
int dep[N],pos[N],rank[N],fa[N];
^
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_16834876_21016.cpp:1:
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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