Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:64:43: error: ‘memset’ was not declared in this scope memset(dp + 1, 0x3f, 4 * (mask_limit - 1)); ^ user.cpp:69:127: warning: operation on ‘other_sub_mask’ may be undefined [-Wsequence-point] for (int other_sub_mask = sub_mask & (sub_mask - 1); other_sub_mask; other_sub_mask = other_sub_mask &= (other_sub_mask - 1)) { ^ user.cpp:69:127: warning: operation on ‘other_sub_mask’ may be undefined [-Wsequence-point]