Compilare: user.cpp: In function ‘int main()’: user.cpp:55:14: warning: unused variable ‘k’ [-Wunused-variable] { j=0;int k=1; ^ user.cpp:47:8: warning: unused variable ‘nr’ [-Wunused-variable] int nr=0,sterge[100]; ^ user.cpp:47:13: warning: unused variable ‘sterge’ [-Wunused-variable] int nr=0,sterge[100]; ^