Eroare de compilare: main.cpp:7:15: warning: character constant too long for its type doc_in.open('adunare.in', std::ifstream::in) ^~~~~~~~~~~~ main.cpp:12:16: warning: character constant too long for its type doc_out.open('adunare.out', std::ofsream::out) ^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:7:46: error: invalid conversion from 'int' to 'const char*' [-fpermissive] doc_in.open('adunare.in', std::ifstream::in) ^ In file included from main.cpp:1:0: /usr/include/c++/6/fstream:595:7: note: initializing argument 1 of 'void std::basic_ifstream<_CharT, _Traits>::open(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::_Ios_Openmode]' open(const char* __s, ios_base::openmode __mode = ios_base::in) ^~~~ main.cpp:9:3: error: expected ';' before 'doc_in' doc_in >> a >> b; ^~~~~~ main.cpp:12:36: error: 'std::ofsream' has not been declared doc_out.open('adunare.out', std::ofsream::out) ^~~~~~~ main.cpp:18:3: error: expected ';' before 'return' return 0; ^~~~~~ main.cpp:5:7: warning: unused variable 'a' [-Wunused-variable] int a,b; ^ main.cpp:5:9: warning: unused variable 'b' [-Wunused-variable] int a,b; ^ Non zero exit status: 1