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View Compilation Error

0_0_33349214_28782.cpp:17:9: error: reference to 'vector' is ambiguous
 typedef vector point;
         ^
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:17:9: error: 'vector' does not name a type
 typedef vector point;
         ^
0_0_33349214_28782.cpp:18:1: error: reference to 'vector' is ambiguous
 vector operator -(vector a,vector b){return vector (a.x-b.x,a.y-b.y);}
 ^
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:18:1: error: 'vector' does not name a type
 vector operator -(vector a,vector b){return vector (a.x-b.x,a.y-b.y);}
 ^
0_0_33349214_28782.cpp:19:1: error: reference to 'vector' is ambiguous
 vector operator +(vector a,vector b){return vector (a.x+b.x,a.y+b.y);}
 ^
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:19:1: error: 'vector' does not name a type
 vector operator +(vector a,vector b){return vector (a.x+b.x,a.y+b.y);}
 ^
0_0_33349214_28782.cpp:20:1: error: reference to 'vector' is ambiguous
 vector operator *(vector a,double t){return vector (a.x*t,a.y*t);}
 ^
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:20:1: error: 'vector' does not name a type
 vector operator *(vector a,double t){return vector (a.x*t,a.y*t);}
 ^
0_0_33349214_28782.cpp:21:1: error: reference to 'vector' is ambiguous
 vector operator /(vector a,double t){return vector (a.x/t,a.y/t);}
 ^
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:21:1: error: 'vector' does not name a type
 vector operator /(vector a,double t){return vector (a.x/t,a.y/t);}
 ^
0_0_33349214_28782.cpp:22:17: error: declaration of 'operator<' as non-function
 bool operator <(vector a,vector b)
                 ^
0_0_33349214_28782.cpp:22:17: error: reference to 'vector' is ambiguous
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:22:26: error: reference to 'vector' is ambiguous
 bool operator <(vector a,vector b)
                          ^
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:26:18: error: declaration of 'operator==' as non-function
 bool operator ==(vector a,vector b)
                  ^
0_0_33349214_28782.cpp:26:18: error: reference to 'vector' is ambiguous
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:26:27: error: reference to 'vector' is ambiguous
 bool operator ==(vector a,vector b)
                           ^
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 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_33349214_28782.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:                 template<class _Tp, class _Alloc> class std::vector
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_33349214_28782.cpp:35:14: error: reference to 'vector' is ambiguous
 double cross(vector a,vector b)
              ^
0_0_33349214_28782.cpp:9:8: note: candidates are: struct vector
 struct vector {
        ^
In file included from D:/HDOJ/


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