Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:88:28: error: ‘memcpy’ was not declared in this scope memcpy(v, zero, sizeof(v)); ^ user.cpp:104:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (sol.size() / 4 <= k) ^ user.cpp:107:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sol.size(); i++) ^