Compilare: user.cpp: In constructor ‘Bipartite_Graph::Bipartite_Graph(const int&, const int&)’: user.cpp:57:35: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(used, 0, sizeof(used)); ^ user.cpp:59:38: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(matched, 0, sizeof(matched)); ^ user.cpp: In member function ‘void Bipartite_Graph::setMaximumMatch()’: user.cpp:80:39: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(used, 0, sizeof(used)); ^