Compilare: main.cpp: In function 'int main()': main.cpp:52:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int i = 0; i < rez.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:34:9: warning: unused variable 'nd' [-Wunused-variable] 34 | int nd; | ^~