Compilare: user.cpp: In function ‘int main()’: user.cpp:24:23: warning: unused variable ‘perm’ [-Wunused-variable] long int n, x, i, perm=0; ^ user.cpp:25:10: warning: unused variable ‘sort’ [-Wunused-variable] bool sort=false; ^ user.cpp:15:16: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=poz-1;i>=inc;i--) ^ user.cpp:42:26: note: ‘poz’ was declared here long int inc=1, max, poz; ^