Eroare de compilare: user.cpp: In constructor ‘state::state()’: user.cpp:71:30: error: ‘memset’ was not declared in this scope state(){memset(a,0,sizeof(a));} ^ user.cpp: In constructor ‘set::set()’: user.cpp:85:28: error: ‘memset’ was not declared in this scope set(){memset(a,0,sizeof(a));} ^ user.cpp: In function ‘int main()’: user.cpp:105:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] next.a[++next.a[0]]=k; ^