Borderou de evaluare (job #726218)

Eroare de compilare: main.cpp: In function 'void back(int)': main.cpp:28:41: error: 'cout' was not declared in this scope 28 | cout<<x[j]<<" "; | ^~~~ main.cpp:2:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 1 | #include <fstream> +++ |+#include <iostream> 2 | using namespace std; main.cpp:30:17: error: 'cout' was not declared in this scope 30 | cout<<endl; | ^~~~ main.cpp:30:17: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? main.cpp:23:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 23 | if(OK(k)) | ^