Borderou de evaluare (job #671455)

Eroare de compilare: main.cpp:3:1: error: 'ifstream' does not name a type 3 | ifstream fin("balaur.in") | ^~~~~~~~ main.cpp: In function 'int main()': main.cpp:11:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'? 11 | cin>>n; | ^~~ | std::cin In file included from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.3.0/include/g++-v11/iostream:60:18: note: 'std::cin' declared here 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:13:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'? 13 | cout<<n; | ^~~~ | std::cout In file included from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.3.0/include/g++-v11/iostream:61:18: note: 'std::cout' declared here 61 | extern ostream cout; /// Linked to standard output | ^~~~