Compilare: user.cpp: In function ‘int main()’: user.cpp:42:28: warning: statement has no effect [-Wunused-value] in.side=='S'; ^ user.cpp:14:27: warning: ‘out.lichid::side’ may be used uninitialized in this function [-Wmaybe-uninitialized] lichid a[100000], in, out; ^ user.cpp:14:23: warning: ‘in.lichid::side’ may be used uninitialized in this function [-Wmaybe-uninitialized] lichid a[100000], in, out; ^