Eroare de compilare: user.cpp:5:22: error: two or more data types in declaration of ‘cmmdc’ int cmmdc(int a,int b) ^ user.cpp: In function ‘int main()’: user.cpp:19:5: error: ‘f’ was not declared in this scope f>>a>>b; ^ user.cpp:19:8: error: ‘a’ was not declared in this scope f>>a>>b; ^ user.cpp:19:11: error: ‘b’ was not declared in this scope f>>a>>b; ^ user.cpp:20:5: error: ‘g’ was not declared in this scope g<<cmmdc(a,b); ^ user.cpp:20:17: error: ‘cmmdc’ was not declared in this scope g<<cmmdc(a,b); ^