Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:31:11: error: request for member ‘push_back’ in ‘v’, which is of non-class type ‘std::vector<int> [152]’ v.push_back(x), v.push_back(y); ^ user.cpp:31:27: error: request for member ‘push_back’ in ‘v’, which is of non-class type ‘std::vector<int> [152]’ v.push_back(x), v.push_back(y); ^ user.cpp:42:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = mu.size() - 1;i >= mu.size() - (m - (n + 1));i--) { ^ user.cpp:25:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("a.in", "r", stdin); ^ user.cpp:26:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("a.out", "w", stdout); ^