Compilare: user.cpp: In function ‘int main()’: user.cpp:11:15: warning: unused variable ‘maxca’ [-Wunused-variable] long long maxca=0,n,i,nr,p2c,l,p2f,ok=0,r,lfin,p2; ^ user.cpp:12:14: warning: unused variable ‘ap’ [-Wunused-variable] char a=0,ap=0,fin; ^ user.cpp:12:19: warning: unused variable ‘fin’ [-Wunused-variable] char a=0,ap=0,fin; ^ user.cpp:49:17: warning: ‘r’ may be used uninitialized in this function [-Wmaybe-uninitialized] r=r-p2f; ^ user.cpp:52:16: warning: ‘p2f’ may be used uninitialized in this function [-Wmaybe-uninitialized] p2f=p2f/2; ^