Eroare de compilare: user.c:3:1: error: unknown type name ‘using’ using namespace std; ^ user.c:3:17: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘std’ using namespace std; ^ user.c: In function ‘main’: user.c:12:5: warning: implicit declaration of function ‘gopen’ [-Wimplicit-function-declaration] FILE *g = gopen("teams.out","w"); ^ user.c:12:15: warning: initialization makes pointer from integer without a cast [enabled by default] FILE *g = gopen("teams.out","w"); ^