Compilare: user.cpp: In function ‘int main()’: user.cpp:27:13: warning: unused variable ‘cont’ [-Wunused-variable] int n,t,cont,a,p=2,i,k,j,b,d,r; ^ user.cpp:27:32: warning: unused variable ‘d’ [-Wunused-variable] int n,t,cont,a,p=2,i,k,j,b,d,r; ^ user.cpp:27:34: warning: unused variable ‘r’ [-Wunused-variable] int n,t,cont,a,p=2,i,k,j,b,d,r; ^ user.cpp:27:30: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,t,cont,a,p=2,i,k,j,b,d,r; ^ user.cpp:27:18: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,t,cont,a,p=2,i,k,j,b,d,r; ^