Eroare de compilare: user.cpp: In function ‘void mul(int*, int*)’: user.cpp:11:24: error: ‘memset’ was not declared in this scope memset(C, 0, sizeof(C)); ^ user.cpp:18:24: error: ‘memcpy’ was not declared in this scope memcpy(A, C, sizeof(C)); ^ user.cpp: In function ‘long long unsigned int nChoosek(long long unsigned int, long long unsigned int)’: user.cpp:52:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i <= k; ++i) { ^ user.cpp: In function ‘int main()’: user.cpp:95:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < n; i++) ^