1_798_2240_21260.cpp: In function 'int main()':
1_798_2240_21260.cpp:41:31: error: reference to 'rank' is ambiguous
for (int i=1;i<=n;i++)rank[a[i].idx]=i;
^
1_798_2240_21260.cpp:9:5: note: candidates are: int rank [210000]
int rank[N],root[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 1_798_2240_21260.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/type_traits:1340:12: note: template<class> struct std::rank
struct rank
^
1_798_2240_21260.cpp:45:20: error: reference to 'rank' is ambiguous
insert(rank[i],root[i],1,n);
^
1_798_2240_21260.cpp:9:5: note: candidates are: int rank [210000]
int rank[N],root[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 1_798_2240_21260.cpp:2:
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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