Compilare: user.cpp: In function ‘int main()’: user.cpp:58:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s.size() == maxim) ^ user.cpp:65:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s.size() > maxim) ^ user.cpp:46:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.in", "r", stdin); ^ user.cpp:47:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.out", "w", stdout); ^