Compilare: user.cpp: In function ‘int Find(int)’: user.cpp:34:13: warning: unused variable ‘p’ [-Wunused-variable] int rad,p=x; ^ user.cpp: In function ‘int main()’: user.cpp:35:14: warning: ‘NELSON’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(t[x]>0) x=t[x]; ^ user.cpp:64:18: note: ‘NELSON’ was declared here int T,i,j,tt,NELSON,nr_zero=0,sol,x,y; ^