0_0_30618819_22844.cpp:37:2: error: 'LL' does not name a type
LL x, y;
^
0_0_30618819_22844.cpp:38:11: error: expected ')' before 'x'
Point(LL x = 0, LL y = 0) : x(x) , y(y) {}
^
0_0_30618819_22844.cpp:40:2: error: 'LL' does not name a type
LL operator ^ (const Point & P) const{return x * P.y - y * P.x;}
^
0_0_30618819_22844.cpp:41:2: error: 'LL' does not name a type
LL operator * (const Point & P) const{return x * P.x + y * P.y;}
^
0_0_30618819_22844.cpp: In member function 'Point Point::operator-(const Point&) const':
0_0_30618819_22844.cpp:39:51: error: 'x' was not declared in this scope
Point operator - (const Point & P) const{return {x - P.x, y - P.y};}
^
0_0_30618819_22844.cpp:39:57: error: 'const struct Point' has no member named 'x'
Point operator - (const Point & P) const{return {x - P.x, y - P.y};}
^
0_0_30618819_22844.cpp:39:60: error: 'y' was not declared in this scope
Point operator - (const Point & P) const{return {x - P.x, y - P.y};}
^
0_0_30618819_22844.cpp:39:66: error: 'const struct Point' has no member named 'y'
Point operator - (const Point & P) const{return {x - P.x, y - P.y};}
^
0_0_30618819_22844.cpp:39:67: error: could not convert '{<expression error>, <expression error>}' from '<brace-enclosed initializer list>' to 'Point'
Point operator - (const Point & P) const{return {x - P.x, y - P.y};}
^
0_0_30618819_22844.cpp: At global scope:
0_0_30618819_22844.cpp:44:1: error: 'LL' does not name a type
LL dis(Point a, Point b){
^
0_0_30618819_22844.cpp: In function 'bool cmp(Point, Point)':
0_0_30618819_22844.cpp:50:2: error: 'LL' was not declared in this scope
LL A = (a - O) ^ (b - O);
^
0_0_30618819_22844.cpp:51:9: error: 'A' was not declared in this scope
return A > 0 || (A == 0 && dis(O, a) < dis(O, b));
^
0_0_30618819_22844.cpp:51:37: error: 'dis' was not declared in this scope
return A > 0 || (A == 0 && dis(O, a) < dis(O, b));
^
0_0_30618819_22844.cpp: In function 'void convex_hull(std::vector<Point>&)':
0_0_30618819_22844.cpp:56:4: error: 'struct Point' has no member named 'y'
O.y = LLONG_MAX;
^
0_0_30618819_22844.cpp:58:14: error: '__gnu_cxx::__alloc_traits<std::allocator<Point> >::value_type' has no member named 'y'
if(poly[i].y < O.y || poly[i].y == O.y && poly[i].x < O.x)
^
0_0_30618819_22844.cpp:58:20: error: 'struct Point' has no member named 'y'
if(poly[i].y < O.y || poly[i].y == O.y && poly[i].x < O.x)
^
0_0_30618819_22844.cpp:58:33: error: '__gnu_cxx::__alloc_traits<std::allocator<Point> >::value_type' has no member named 'y'
if(poly[i].y < O.y || poly[i].y == O.y && poly[i].x < O.x)
^
0_0_30618819_22844.cpp:58:40: error: 'struct Point' has no member named 'y'
if(poly[i].y < O.y || poly[i].y == O.y && poly[i].x < O.x)
^
0_0_30618819_22844.cpp:58:53: error: '__gnu_cxx::__alloc_traits<std::allocator<Point> >::value_type' has no member named 'x'
if(poly[i].y < O.y || poly[i].y == O.y && poly[i].x < O.x)
^
0_0_30618819_22844.cpp:58:59: error: 'struct Point' has no member named 'x'
if(poly[i].y < O.y || poly[i].y == O.y && poly[i].x < O.x)
^
0_0_30618819_22844.cpp:64:29: error: 'class std::vector<Point>' has no member named 'pb'
for(i = 0; i < n; i++) cp.pb(poly[i]);
^
0_0_30618819_22844.cpp:67:5: error: 'class std::vector<Point>' has no member named 'pb'
cp.pb(poly[0]);
^
0_0_30618819_22844.cpp:68:5: error: 'class std::vector<Point>' has no member named 'pb'
cp.pb(poly[1]);
^
0_0_30618819_22844.cpp:70:61: error: no match for 'operator^' (operand types are 'Point' and 'Point')
while(cp.size() >= 2 && ((*(cp.end()-1) - *(cp.end()-2)) ^ (poly[i] - *(cp.end()-2))) <= 0)
^
0_0_30618819_22844.cpp:70:61: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42:0,
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_30618819_22844.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:83:3: note: constexpr std::_Ios_Fmtflags std::operator^(std::_Ios_Fmtflags, std::_Ios_Fmtflags)
operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:83:3: note: no known conversion for argument 1 from 'Point' to 'std::_Ios_Fmtflags'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:123:3: note: constexpr std::_Ios_Openmode std::operator^(std::_Ios_Openmode, std::_Ios_Openmode)
operator^(_Ios_Openmode __a, _Ios_Openmode __b)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:123:3: note: no known conversion for argument 1 from 'Point' to 'std::_Ios_Openmode'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:161:3: note: constexpr std::_Ios_Iostate std::operator^(std::_Ios_Iostate, std::_Ios_Iostate)
operator^(_Ios_Iostate __a, _Ios_Iostate __b)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:161:3: note: no known conversion for argument 1 from 'Point' to 'std::_Ios_Iostate'
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:65:0,
from 0_0_30618819_22844.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bitset:1444:5: note: template<long long unsigned int _Nb> std::bitset<_Nb> std::operator^(const std::bitset<_Nb>&, const std::bitset<_Nb>&)
operator^(const bitset<_Nb>& __x, const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bitset:1444:5: note: template argument deduction/substitution failed:
0_0_30618819_22844.cpp:70:87: note: 'Point' is not derived from 'const std::bitset<_Nb>'
while(cp.size() >= 2 && ((*(cp.end()-1) - *(cp.end()-2)) ^ (poly[i] - *(cp.end()-2))) <= 0)
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
from 0_0_30618819_22844.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:407:5: note: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__bitwise_xor, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__bitwise_xor, typename _Dom1::value_type>::result_type> std::operator^(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:407:5: note: template argument deduction/substitution failed:
0_0_30618819_22844.cpp:70:87: note: 'Point' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
while(cp.size() >= 2 && ((*(cp.end()-1) - *(cp.end()-2)) ^ (poly[i] - *(cp.end()-2))) <= 0)
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
from 0_0_30618819_22844.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:407:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__bitwise_xor, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__bitwise_xor, typename _Dom1::value_type>::result_type> std::operator^(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
_DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:407:5: note: template argument deduction/substitution failed:
0_0_30618819_22844.cpp:70:87: note: 'Point' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
while(cp.size() >= 2 && ((*(cp.end()-1) - *(cp.end()-2)) ^ (poly[i] - *(cp.end()-2))) <= 0)
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
from 0_0_30618819_22844.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:407:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__bitwise_xor, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, t
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