Borderou de evaluare (job #396034)

Compilare: user.cpp: In function ‘int main()’: user.cpp:79:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:72:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In member function ‘char InParser::read_ch()’: user.cpp:18:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]