0_0_13969684_5801.cpp: In function 'int main()':
0_0_13969684_5801.cpp:52:38: error: reference to 'rank' is ambiguous
for (int i = 1; i <= n; ++i) rank[a[i].idx] = i;
^
0_0_13969684_5801.cpp:40:5: note: candidates are: int rank [100010]
int rank[MAXN], root[MAXN];
^
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_13969684_5801.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_13969684_5801.cpp:56:20: error: reference to 'rank' is ambiguous
insert(rank[i], root[i], 1, n);
^
0_0_13969684_5801.cpp:40:5: note: candidates are: int rank [100010]
int rank[MAXN], root[MAXN];
^
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_13969684_5801.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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