Eroare de compilare: main.cpp: In function 'void solve()': main.cpp:20:16: error: 'cerr' was not declared in this scope 20 | #define bug(a) cerr << "(" << #a << ": " << a << ")\n"; | ^~~~ main.cpp:83:5: note: in expansion of macro 'bug' 83 | bug(poz); | ^~~ main.cpp:13:1: note: 'std::cerr' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 12 | #include <queue> +++ |+#include <iostream> 13 | #include <array> main.cpp: At global scope: main.cpp:162:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 162 | main() | ^~~~ Non zero exit status: 1