Compilare: user.cpp: In function ‘int main()’: user.cpp:13:38: warning: unused variable ‘k’ [-Wunused-variable] int n,a,b,*v,i,j,suma,contor=0,x,k; ^ user.cpp:14:10: warning: unused variable ‘sir’ [-Wunused-variable] char sir[100002],aux[20]; ^ user.cpp:14:22: warning: unused variable ‘aux’ [-Wunused-variable] char sir[100002],aux[20]; ^