0_0_37595404_1830.cpp: In function 'int main()':
0_0_37595404_1830.cpp:7:9: error: 'cin' was not declared in this scope
while (cin >> x1 >> y1 >> x2 >> y2) {
^
0_0_37595404_1830.cpp:7:9: note: suggested alternative:
In file included from 0_0_37595404_1830.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:60:18: note: 'std::cin'
extern istream cin; /// Linked to standard input
^
0_0_37595404_1830.cpp:10:15: error: 'swap' was not declared in this scope
swap(x1, x2);
^
0_0_37595404_1830.cpp:10:15: note: suggested alternatives:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65:0,
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_37595404_1830.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:128:3: note: 'std::swap'
swap(bool& __x, _Bit_reference __y) noexcept
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/exception:162:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_37595404_1830.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/exception_ptr.h:160:5: note: 'std::__exception_ptr::swap'
swap(exception_ptr& __lhs, exception_ptr& __rhs)
^
0_0_37595404_1830.cpp:14:15: error: 'swap' was not declared in this scope
swap(x1, x2);
^
0_0_37595404_1830.cpp:14:15: note: suggested alternatives:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65:0,
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_37595404_1830.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:128:3: note: 'std::swap'
swap(bool& __x, _Bit_reference __y) noexcept
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/exception:162:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_37595404_1830.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/exception_ptr.h:160:5: note: 'std::__exception_ptr::swap'
swap(exception_ptr& __lhs, exception_ptr& __rhs)
^
0_0_37595404_1830.cpp:24:3: error: 'cout' was not declared in this scope
cout << fixed<<setprecision(3)<<sum << endl;
^
0_0_37595404_1830.cpp:24:3: note: suggested alternative:
In file included from 0_0_37595404_1830.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:61:18: note: 'std::cout'
extern ostream cout; /// Linked to standard output
^
0_0_37595404_1830.cpp:24:11: error: 'fixed' was not declared in this scope
cout << fixed<<setprecision(3)<<sum << endl;
^
0_0_37595404_1830.cpp:24:11: note: suggested alternative:
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++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_37595404_1830.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:958:3: note: 'std::fixed'
fixed(ios_base& __base)
^
0_0_37595404_1830.cpp:24:32: error: 'setprecision' was not declared in this scope
cout << fixed<<setprecision(3)<<sum << endl;
^
0_0_37595404_1830.cpp:24:32: note: suggested alternative:
In file included from 0_0_37595404_1830.cpp:3:0:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iomanip:195:3: note: 'std::setprecision'
setprecision(int __n)
^
0_0_37595404_1830.cpp:24:42: error: 'endl' was not declared in this scope
cout << fixed<<setprecision(3)<<sum << endl;
^
0_0_37595404_1830.cpp:24:42: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39:0,
from 0_0_37595404_1830.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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