Eroare de compilare: main.cpp:11:13: error: invalid use of non-static data member 'InParser::BUFF_SIZE' char buff[BUFF_SIZE] ^~~~~~~~~ main.cpp:9:25: note: declared here const int BUFF_SIZE = 2048; ^~~~ main.cpp:11:22: error: expected ';' at end of member declaration char buff[BUFF_SIZE] ^ main.cpp:42:3: error: expected ';' at end of member declaration } ^ main.cpp:14:3: error: expected ';' before 'char' char read_ch() { ^~~~ main.cpp: In function 'int main()': main.cpp:148:25: error: no matching function for call to 'InParser::InParser(const char [8])' InParser cin("peru.in"); ^ main.cpp:7:7: note: candidate: InParser::InParser() class InParser { ^~~~~~~~ main.cpp:7:7: note: candidate expects 0 arguments, 1 provided main.cpp:7:7: note: candidate: constexpr InParser::InParser(const InParser&) main.cpp:7:7: note: no known conversion for argument 1 from 'const char [8]' to 'const InParser&' main.cpp:7:7: note: candidate: constexpr InParser::InParser(InParser&&) main.cpp:7:7: note: no known conversion for argument 1 from 'const char [8]' to 'InParser&&' main.cpp:151:17: error: no match for 'operator>>' (operand types are 'InParser' and 'int') int n, k; cin >> n >> k; ~~~~^~~~ In file included from /usr/include/c++/6/string:53:0, 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/istream:38, from /usr/include/c++/6/sstream:38, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/bits/basic_string.tcc:1437:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator>>(basic_istream<_CharT, _Traits>& __in, ^~~~~~~~ /usr/include/c++/6/bits/basic_string.tcc:1437:5: note: template argument deduction/substitution failed: main.cpp:151:20: note: 'InParser' is not derived from 'std::basic_istream<_CharT, _Traits>' int n, k; cin >> n >> k; ^ In file included from /usr/include/c++/6/istream:934:0, from /usr/include/c++/6/sstream:38, from /usr/include/c++/6/complex:45, Non zero exit status: 1