Borderou de evaluare (job #749508)

Eroare de compilare: main.cpp:3:1: error: 'ifstream' does not name a type 3 | ifstream in ("sumacfnr.in") | ^~~~~~~~ main.cpp: In function 'int main()': main.cpp:17:5: error: 'in' was not declared in this scope; did you mean 'n'? 17 | in>>n; | ^~ | n main.cpp:18:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'? 18 | cout<<suma(n); | ^~~~ | std::cout In file included from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:63:18: note: 'std::cout' declared here 63 | extern ostream cout; ///< Linked to standard output | ^~~~