Compilare: user.cpp: In function ‘int main()’: user.cpp:10:33: warning: unused variable ‘k’ [-Wunused-variable] int n,array[1000],nr=0,temp,k,a,b; ^ user.cpp:10:35: warning: unused variable ‘a’ [-Wunused-variable] int n,array[1000],nr=0,temp,k,a,b; ^ user.cpp:10:37: warning: unused variable ‘b’ [-Wunused-variable] int n,array[1000],nr=0,temp,k,a,b; ^