Borderou de evaluare (job #698347)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:15:17: error: no match for 'operator=' (operand types are 'std::ifstream' {aka 'std::basic_ifstream<char>'} and 'int') 15 | f=c+k; | ^ In file included from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/i686-pc-linux-gnu/bits/stdc++.h:70, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/fstream:614:7: note: candidate: 'std::basic_ifstream<_CharT, _Traits>& std::basic_ifstream<_CharT, _Traits>::operator=(std::basic_ifstream<_CharT, _Traits>&&) [with _CharT = char; _Traits = std::char_traits<char>]' 614 | operator=(basic_ifstream&& __rhs) | ^~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/fstream:614:34: note: no known conversion for argument 1 from 'int' to 'std::basic_ifstream<char>&&' 614 | operator=(basic_ifstream&& __rhs) | ~~~~~~~~~~~~~~~~~^~~~~