D:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:\appdata\2\ccbW4vzp.o::(.text+0x25): undefined reference to `std::ostream::operator<<(std::ios_base& (*)(std::ios_base&))'
D:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:\appdata\2\ccbW4vzp.o::(.text+0x3c): undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::_Setprecision)'
D:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:\appdata\2\ccbW4vzp.o::(.text+0x69): undefined reference to `std::istream::operator>>(int&)'
D:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:\appdata\2\ccbW4vzp.o::(.text+0xc5): undefined reference to `std::ostream::operator<<(double)'
D:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:\appdata\2\ccbW4vzp.o::(.text+0xdb): undefined reference to `std::istream::operator>>(double&)'
D:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:\appdata\2\ccbW4vzp.o::(.text+0xf0): undefined reference to `std::basic_ios<char, std::char_traits<char> >::operator bool() const'
D:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:\appdata\2\ccbW4vzp.o::(.rdata$.refptr._ZSt3cin[.refptr._ZSt3cin]+0x0): undefined reference to `std::cin'
D:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:\appdata\2\ccbW4vzp.o::(.rdata$.refptr._ZSt4cout[.refptr._ZSt4cout]+0x0): undefined reference to `std::cout'
collect2.exe: error: ld returned 1 exit status