Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:6:21: error: no matching function for call to ‘std::basic_istream<char>::basic_istream(const char [8])’ {istream f("cool.in"); ^ user.cpp:6:21: note: candidates are: In file included from /usr/include/c++/4.8/fstream:38:0, from user.cpp:1: /usr/include/c++/4.8/istream:606:7: note: std::basic_istream<_CharT, _Traits>::basic_istream() [with _CharT = char; _Traits = std::char_traits<char>] basic_istream() ^ /usr/include/c++/4.8/istream:606:7: note: candidate expects 0 arguments, 1 provided /usr/include/c++/4.8/istream:93:7: note: std::basic_istream<_CharT, _Traits>::basic_istream(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>] basic_istream(__streambuf_type* __sb) ^ /usr/include/c++/4.8/istream:93:7: note: no known conversion for argument 1 from ‘const char [8]’ to ‘std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}’ user.cpp:16:1: error: expected ‘;’ before ‘for’ for(i=1;i<=k;i++) ^ user.cpp:16:10: warning: statement has no effect [-Wunused-value] for(i=1;i<=k;i++) ^ user.cpp:16:17: error: expected ‘;’ before ‘)’ token for(i=1;i<=k;i++) ^ user.cpp:18:4: error: ‘d’ was not declared in this scope if(d==k) g<<a[k]; ^