0_0_32867138_19997.cpp: In function 'void solve()':
0_0_32867138_19997.cpp:156:53: error: reference to 'hash' is ambiguous
For ( i , 1 , n ) insert ( root[i - 1] , root[i] , hash ( p[i].a ) , p[i].s , 1 , cnt ) ;
^
0_0_32867138_19997.cpp:50:5: note: candidates are: int hash(int, int, int)
int hash ( int x , int l = 1 , int r = cnt ) {
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
from 0_0_32867138_19997.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^
0_0_32867138_19997.cpp:179:60: error: 'qu' was not declared in this scope
ans = query ( root[ll - 1] , root[hl] , ha , 1 , cnt ) - qu
^
0_0_32867138_19997.cpp:179:60: error: expected '}' at end of input
0_0_32867138_19997.cpp:179:60: error: expected '}' at end of input
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