Eroare de compilare: user.cpp: In member function ‘bool cmp::operator()(const cerc&, const cerc&) const’: user.cpp:19: error: expected ‘;’ before ‘)’ token user.cpp:19: error: expected primary-expression before ‘)’ token user.cpp:19: error: expected ‘;’ before ‘)’ token user.cpp: In function ‘void citire()’: user.cpp:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void ruleazaSpectacol()’: user.cpp:61: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:99: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:100: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result