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View Compilation Error

0_0_33666971_21408.cpp:6:7: error: reference to 'real' is ambiguous
 const real pi = acos(-1);
       ^
0_0_33666971_21408.cpp:3:16: note: candidates are: typedef double real
 typedef double real;
                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_33666971_21408.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:1849:5: note:                 template<class _Tp> typename __gnu_cxx::__promote<_Tp>::__type std::real(_Tp)
     real(_Tp __x)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:535:5: note:                 template<class _Tp> constexpr _Tp std::real(const std::complex<_Tp>&)
     real(const complex<_Tp>& __z)
     ^
0_0_33666971_21408.cpp:6:7: error: 'real' does not name a type
 const real pi = acos(-1);
       ^
0_0_33666971_21408.cpp:8:1: error: reference to 'real' is ambiguous
 real phour[maxn], pmin[maxn];
 ^
0_0_33666971_21408.cpp:3:16: note: candidates are: typedef double real
 typedef double real;
                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_33666971_21408.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:1849:5: note:                 template<class _Tp> typename __gnu_cxx::__promote<_Tp>::__type std::real(_Tp)
     real(_Tp __x)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:535:5: note:                 template<class _Tp> constexpr _Tp std::real(const std::complex<_Tp>&)
     real(const complex<_Tp>& __z)
     ^
0_0_33666971_21408.cpp:8:1: error: 'real' does not name a type
 real phour[maxn], pmin[maxn];
 ^
0_0_33666971_21408.cpp:9:24: error: template argument 1 is invalid
 typedef pair<real, real> prr;
                        ^
0_0_33666971_21408.cpp:9:24: error: template argument 2 is invalid
0_0_33666971_21408.cpp:9:29: error: invalid type in declaration before ';' token
 typedef pair<real, real> prr;
                             ^
0_0_33666971_21408.cpp:16:5: error: reference to 'real' is ambiguous
     real t;
     ^
0_0_33666971_21408.cpp:3:16: note: candidates are: typedef double real
 typedef double real;
                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_33666971_21408.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:1849:5: note:                 template<class _Tp> typename __gnu_cxx::__promote<_Tp>::__type std::real(_Tp)
     real(_Tp __x)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:535:5: note:                 template<class _Tp> constexpr _Tp std::real(const std::complex<_Tp>&)
     real(const complex<_Tp>& __z)
     ^
0_0_33666971_21408.cpp:16:5: error: 'real' does not name a type
     real t;
     ^
0_0_33666971_21408.cpp: In member function 'bool solver::Event::operator<(const solver::Event&) const':
0_0_33666971_21408.cpp:19:14: error: 't' was not declared in this scope
       return t < b.t;
              ^
0_0_33666971_21408.cpp:19:20: error: 'const struct solver::Event' has no member named 't'
       return t < b.t;
                    ^
0_0_33666971_21408.cpp: At global scope:
0_0_33666971_21408.cpp:27:12: error: variable or field 'Add' declared void
   void Add(real l, real r, int w = 1) {
            ^
0_0_33666971_21408.cpp:27:12: error: reference to 'real' is ambiguous
0_0_33666971_21408.cpp:3:16: note: candidates are: typedef double real
 typedef double real;
                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_33666971_21408.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:1849:5: note:                 template<class _Tp> typename __gnu_cxx::__promote<_Tp>::__type std::real(_Tp)
     real(_Tp __x)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:535:5: note:                 template<class _Tp> constexpr _Tp std::real(const std::complex<_Tp>&)
     real(const complex<_Tp>& __z)
     ^
0_0_33666971_21408.cpp:27:20: error: reference to 'real' is ambiguous
   void Add(real l, real r, int w = 1) {
                    ^
0_0_33666971_21408.cpp:3:16: note: candidates are: typedef double real
 typedef double real;
                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_33666971_21408.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:1849:5: note:                 template<class _Tp> typename __gnu_cxx::__promote<_Tp>::__type std::real(_Tp)
     real(_Tp __x)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:535:5: note:                 template<class _Tp> constexpr _Tp std::real(const std::complex<_Tp>&)
     real(const complex<_Tp>& __z)
     ^
0_0_33666971_21408.cpp:27:28: error: expected primary-expression before 'int'
   void Add(real l, real r, int w = 1) {
                            ^
0_0_33666971_21408.cpp:118:1: error: expected '}' at end of input
 }
 ^


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