0_0_15976339_15966.cpp: In function 'void dfs2(int, int)':
0_0_15976339_15966.cpp:37:2: error: reference to 'rank' is ambiguous
rank[tid[rt]]=rt;
^
0_0_15976339_15966.cpp:11:19: note: candidates are: int rank [50005]
int son[N],dep[N],rank[N],size[N],tid[N],fa[N],head[N<<1],w[N],top[N],sum[N<<2],lazy[N<<2];
^
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++/bits/stl_algobase.h:64,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_15976339_15966.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_15976339_15966.cpp: In function 'void build(int, int, int)':
0_0_15976339_15966.cpp:51:13: error: reference to 'rank' is ambiguous
sum[rt]=w[rank[l]];
^
0_0_15976339_15966.cpp:11:19: note: candidates are: int rank [50005]
int son[N],dep[N],rank[N],size[N],tid[N],fa[N],head[N<<1],w[N],top[N],sum[N<<2],lazy[N<<2];
^
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++/bits/stl_algobase.h:64,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_15976339_15966.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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