Borderou de evaluare (job #572049)

Compilare: user.cpp: In member function ‘char InParser::read_ch()’: user.cpp:51:34: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int main()’: user.cpp:178:63: warning: ‘y2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:178:37: warning: ‘y1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:178:50: warning: ‘x2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:178:24: warning: ‘x1’ may be used uninitialized in this function [-Wuninitialized]