Compilare: user.cpp: In function ‘int verifica(int, int, int)’: user.cpp:12:10: warning: statement has no effect [-Wunused-value] for(i;i<=j;i++) ^ user.cpp: In function ‘int main()’: user.cpp:52:14: warning: statement has no effect [-Wunused-value] for(i;i<n-1;i++) ^ user.cpp:80:18: warning: statement has no effect [-Wunused-value] for(i;i<n-1;i++) ^ user.cpp:103:14: warning: statement has no effect [-Wunused-value] for(i;i>0;i--) ^ user.cpp:124:18: warning: statement has no effect [-Wunused-value] for(i;i>0;i--) ^ user.cpp:48:25: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] a=verifica(p+1,n-1,s); ^