Compilare: main.cpp: In function 'int main()': main.cpp:108:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (auto i=0;i<w.size();i++){ ~^~~~~~~~~ main.cpp:137:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (nr == val+1 && i < w.size()-1) ~~^~~~~~~~~~~~ main.cpp: In function 'int cautare_binara(int*, int, int)': main.cpp:23:6: warning: control reaches end of non-void function [-Wreturn-type] }} ^