Compilare: user.cpp: In function ‘void pal(int*)’: user.cpp:52:19: warning: unused variable ‘c’ [-Wunused-variable] int i,gasit=0,c[10000000],d[10000000],e[10000000]; ^ user.cpp:52:31: warning: variable ‘d’ set but not used [-Wunused-but-set-variable] int i,gasit=0,c[10000000],d[10000000],e[10000000]; ^ user.cpp:52:43: warning: unused variable ‘e’ [-Wunused-variable] int i,gasit=0,c[10000000],d[10000000],e[10000000]; ^