Compilare: user.cpp: In function ‘bool ssm(const std::vector<int>&, int*, int*, int*)’: user.cpp:15:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (eliminate == v.size()) return false; ^ user.cpp:19:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int ls = li; ls < v.size(); ++ls) { ^ user.cpp: In function ‘int main()’: user.cpp:35:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("minim.in", "r", stdin); ^ user.cpp:36:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("minim.out", "w", stdout); ^