Borderou de evaluare (job #530979)

Compilare: user.cpp:6:0: warning: ignoring #pragma GCC [-Wunknown-pragmas] user.cpp:7:0: warning: ignoring #pragma GCC Wall [-Wunknown-pragmas] user.cpp: In function ‘int bs(int, int)’: user.cpp:91:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In member function ‘char input_parser::next()’: user.cpp:131:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:132:65: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]