accesibil.cpp: In function 'int main()': accesibil.cpp:122: warning: comparison between signed and unsigned integer expressions accesibil.cpp:115: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result accesibil.cpp:116: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result accesibil.cpp: In member function 'int Huge::Find_Group()': accesibil.cpp:85: warning: control reaches end of non-void function