Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:29:27: error: no matching function for call to ‘std::basic_iostream<char>::basic_iostream(const char [8])’ iostream cin("jap2.in"); ^ user.cpp:29:27: note: candidates are: In file included from /usr/include/c++/4.8/sstream:38:0, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/4.8/istream:830:7: note: std::basic_iostream<_CharT, _Traits>::basic_iostream() [with _CharT = char; _Traits = std::char_traits<char>] basic_iostream() ^ /usr/include/c++/4.8/istream:830:7: note: candidate expects 0 arguments, 1 provided /usr/include/c++/4.8/istream:820:7: note: std::basic_iostream<_CharT, _Traits>::basic_iostream(std::basic_streambuf<_CharT, _Traits>*) [with _CharT = char; _Traits = std::char_traits<char>] basic_iostream(basic_streambuf<_CharT, _Traits>* __sb) ^ /usr/include/c++/4.8/istream:820:7: note: no known conversion for argument 1 from ‘const char [8]’ to ‘std::basic_streambuf<char>*’ user.cpp:35:40: warning: unused variable ‘rs’ [-Wunused-variable] ll baz = 1, put = n, x = 0, y, rs = 1; ^ user.cpp:37:21: warning: unused variable ‘rs2’ [-Wunused-variable] ll rs1 = 1, rs2 = 1, rs3 = 1; ^ user.cpp:37:30: warning: unused variable ‘rs3’ [-Wunused-variable] ll rs1 = 1, rs2 = 1, rs3 = 1; ^