Compilare: user.cpp: In function ‘int main()’: user.cpp:43:11: warning: unused variable ‘n’ [-Wunused-variable] int t,n,rad[20]={},x,y; ^ user.cpp:43:24: warning: unused variable ‘x’ [-Wunused-variable] int t,n,rad[20]={},x,y; ^ user.cpp:43:26: warning: unused variable ‘y’ [-Wunused-variable] int t,n,rad[20]={},x,y; ^ user.cpp:77:53: warning: ‘radacina’ may be used uninitialized in this function [-Wmaybe-uninitialized] parcurgere(cd,radacina,graf,0); ^