Compilare: main.cpp: In function 'bool check()': main.cpp:28:1: warning: no return statement in function returning non-void [-Wreturn-type] 28 | } | ^ main.cpp: In function 'void solve()': main.cpp:74:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 74 | if(rez.size() < n) | ~~~~~~~~~~~^~~