Eroare de compilare: main.cpp: In function 'int main()': main.cpp:6:36: error: '__gcd' was not declared in this scope 6 | std::ifstream("cmmdc.in")>>a>>b,c=__gcd(a,b),std::ofstream("cmmdc.out")<<(c==1?0:c); | ^~~~~ main.cpp:6:36: note: suggested alternatives: In file included from /usr/include/c++/10/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65, from main.cpp:1: /usr/include/c++/10/bits/stl_algo.h:1219:5: note: 'std::__gcd' 1219 | __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n) | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:84, from main.cpp:1: /usr/include/c++/10/numeric:103:5: note: 'std::__detail::__gcd' 103 | __gcd(_Tp __m, _Tp __n) | ^~~~~ Non zero exit status: 1