Compilare: user.cpp: In function ‘void Start()’: user.cpp:220:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < componente.size(); ++i){ ^ user.cpp: In function ‘int main()’: user.cpp:363:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < operatii.size(); ++i){ ^ user.cpp:366:23: warning: unused variable ‘c’ [-Wunused-variable] int a, b, c; ^ user.cpp:293:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ostrov.out", "w", stdout); ^ user.cpp: In member function ‘char InParser::read_ch()’: user.cpp:19:38: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^