Eroare de compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import<fstream> ^~~~~~ main.cpp:2:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main(){int a,b;std::ifstream{"cmmdc.in"}>>a>>b;a=std::__gcd(a,b);std::ofstream{"cmmdc.out"}<<a^1?a:0;} ^ main.cpp: In function 'int main()': main.cpp:2:50: error: '__gcd' is not a member of 'std' main(){int a,b;std::ifstream{"cmmdc.in"}>>a>>b;a=std::__gcd(a,b);std::ofstream{"cmmdc.out"}<<a^1?a:0;} ^~~ main.cpp:2:95: error: no match for 'operator^' (operand types are 'std::basic_ostream<char>' and 'int') main(){int a,b;std::ifstream{"cmmdc.in"}>>a>>b;a=std::__gcd(a,b);std::ofstream{"cmmdc.out"}<<a^1?a:0;} ~~~~~~~~~~~~~~~~~~~~~~~~^~ main.cpp:2:95: note: candidate: operator^(int, int) <built-in> main.cpp:2:95: note: no known conversion for argument 1 from 'std::basic_ostream<char>' to 'int' In file included from /usr/include/c++/6/ios:42:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/bits/ios_base.h:173:3: note: candidate: constexpr std::_Ios_Iostate std::operator^(std::_Ios_Iostate, std::_Ios_Iostate) operator^(_Ios_Iostate __a, _Ios_Iostate __b) ^~~~~~~~ /usr/include/c++/6/bits/ios_base.h:173:3: note: no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Iostate' /usr/include/c++/6/bits/ios_base.h:133:3: note: candidate: constexpr std::_Ios_Openmode std::operator^(std::_Ios_Openmode, std::_Ios_Openmode) operator^(_Ios_Openmode __a, _Ios_Openmode __b) ^~~~~~~~ /usr/include/c++/6/bits/ios_base.h:133:3: note: no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Openmode' /usr/include/c++/6/bits/ios_base.h:91:3: note: candidate: constexpr std::_Ios_Fmtflags std::operator^(std::_Ios_Fmtflags, std::_Ios_Fmtflags) operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) ^~~~~~~~ /usr/include/c++/6/bits/ios_base.h:91:3: note: no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Fmtflags' Non zero exit status: 1