Eroare de compilare: user.cpp: In function ‘int euclid(int, int)’: user.cpp:23:9: error: ‘b’ was not declared in this scope while (b) ^ user.cpp:25:7: error: ‘a’ was not declared in this scope c = a%b; ^ user.cpp:29:9: error: ‘a’ was not declared in this scope return a; ^ user.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type] } ^