Eroare de compilare: main.cpp: In member function 'char InParser::get_char()': main.cpp:17:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (buffer_index == SIZE) ~~~~~~~~~~~~~^~~~~~~ main.cpp: In function 'int main()': main.cpp:149:50: error: no match for 'operator<<' (operand types are 'OutParser' and 'const char [2]') fout<<sum(right) - sum(left - 1) - friends[x]<<"\n"; //prieteni cerinta - cei din gasca lui ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:81:13: note: candidate: OutParser& OutParser::operator<<(int) <near match> OutParser& operator <<(int x) ^~~~~~~~ main.cpp:81:13: note: conversion of argument 1 would be ill-formed: main.cpp:149:52: error: invalid conversion from 'const char*' to 'int' [-fpermissive] fout<<sum(right) - sum(left - 1) - friends[x]<<"\n"; //prieteni cerinta - cei din gasca lui ^~~~ main.cpp:93:13: note: candidate: OutParser& OutParser::operator<<(char) <near match> OutParser& operator <<(char c) ^~~~~~~~ main.cpp:93:13: note: conversion of argument 1 would be ill-formed: main.cpp:149:52: error: invalid conversion from 'const char*' to 'char' [-fpermissive] fout<<sum(right) - sum(left - 1) - friends[x]<<"\n"; //prieteni cerinta - cei din gasca lui ^~~~ In file included from /usr/include/c++/6/string:52:0, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/basic_string.h:5343:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<<(basic_ostream<_CharT, _Traits>& __os, ^~~~~~~~ /usr/include/c++/6/bits/basic_string.h:5343:5: note: template argument deduction/substitution failed: main.cpp:149:52: note: 'OutParser' is not derived from 'std::basic_ostream<_CharT, _Traits>' fout<<sum(right) - sum(left - 1) - friends[x]<<"\n"; //prieteni cerinta - cei din gasca lui ^~~~ In file included from /usr/include/c++/6/bits/ios_base.h:46:0, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/system_error:209:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::error_code&) operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) ^~~~~~~~ /usr/include/c++/6/system_error:209:5: note: template argument deduction/substitution failed: main.cpp:149:52: note: 'OutParser' is not derived from 'std::basic_ostream<_CharT, _Traits>' fout<<sum(right) - sum(left - 1) - friends[x]<<"\n"; //prieteni cerinta - cei din gasca lui ^~~~ In file included from /usr/include/c++/6/iostream:39:0, from main.cpp:1: Non zero exit status: 1