0_0_30790130_23353.cpp: In function 'int main()':
0_0_30790130_23353.cpp:24:34: error: wrong number of template arguments (0, should be 1)
set<pair<int,int>,greater<>>s;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:48:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_30790130_23353.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_function.h:358:12: error: provided for 'template<class _Tp> struct std::greater'
struct greater : public binary_function<_Tp, _Tp, bool>
^
0_0_30790130_23353.cpp:24:35: error: template argument 2 is invalid
set<pair<int,int>,greater<>>s;
^
0_0_30790130_23353.cpp:24:38: error: invalid type in declaration before ';' token
set<pair<int,int>,greater<>>s;
^
0_0_30790130_23353.cpp:27:15: error: request for member 'insert' in 's', which is of non-class type 'int'
s.insert({p[i],i});
^
0_0_30790130_23353.cpp:33:19: error: request for member 'empty' in 's', which is of non-class type 'int'
while (!s.empty())
^
0_0_30790130_23353.cpp:35:32: error: request for member 'begin' in 's', which is of non-class type 'int'
pair<int,int>pp=*s.begin();
^
0_0_30790130_23353.cpp:41:23: error: request for member 'insert' in 's', which is of non-class type 'int'
s.insert({p[pp.second/2],pp.second/2});
^
0_0_30790130_23353.cpp:45:23: error: request for member 'insert' in 's', which is of non-class type 'int'
s.insert({p[pp.second/2],pp.second/2});
^
0_0_30790130_23353.cpp:48:15: error: request for member 'erase' in 's', which is of non-class type 'int'
s.erase(pp);
^
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