0_0_21797283_3730.cpp: In function 'int main()':
0_0_21797283_3730.cpp:26:41: error: 'PI' was not declared in this scope
if(P[i].y>0) P[i].angle=PI/2.0;
^
0_0_21797283_3730.cpp:27:34: error: 'PI' was not declared in this scope
else P[i].angle=-PI/2.0;
^
0_0_21797283_3730.cpp:32:23: error: 'sort' was not declared in this scope
sort(P,P+n,cmp);
^
0_0_21797283_3730.cpp:32:23: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
from 0_0_21797283_3730.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4705:5: note: 'std::sort'
sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
^
0_0_21797283_3730.cpp:64:34: error: 'max' was not declared in this scope
ans=max(ans,lsum*rsum);
^
0_0_21797283_3730.cpp:64:34: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
from 0_0_21797283_3730.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3454:5: note: 'std::max'
max(initializer_list<_Tp> __l, _Compare __comp)
^
0_0_21797283_3730.cpp:66:9: error: 'cout' was not declared in this scope
cout<<ans<<endl;
^
0_0_21797283_3730.cpp:66:9: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:74:0,
from 0_0_21797283_3730.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:61:18: note: 'std::cout'
extern ostream cout; /// Linked to standard output
^
0_0_21797283_3730.cpp:66:20: error: 'endl' was not declared in this scope
cout<<ans<<endl;
^
0_0_21797283_3730.cpp:66:20: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
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_21797283_3730.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:564:5: note: 'std::endl'
endl(basic_ostream<_CharT, _Traits>& __os)
^
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