Compilare: main.cpp: In function 'bool Check(int)': main.cpp:13:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0;i < leftSum.size();++i) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:25:12: warning: unused variable 'D' [-Wunused-variable] int N, D; ^ main.cpp:67:23: warning: 'answer' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << answer << "\n"; ^~~~