Compilare: user.cpp: In function ‘int main()’: user.cpp:23:21: warning: unknown conversion type character ‘L’ in format [-Wformat=] scanf("%LLd", &a); ^ user.cpp:23:21: warning: too many arguments for format [-Wformat-extra-args] user.cpp:32:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < D.size(); ++ i) ^ user.cpp:36:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < sol.size() ; ++ i) ^