Compilare: user.cpp: In function ‘void Read(int*)’: user.cpp:18:24: 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(v, 0, sizeof(v)); ^ user.cpp:19:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < strlen(C); i++){ ^ user.cpp: In function ‘void Solve()’: user.cpp:41:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Have.size(); i++){ ^