Compilare: main.cpp: In function 'void Adauga(int)': main.cpp:23:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < dj[linie].size() && stop == 0; ++i ) { ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool Cauta(int)': main.cpp:45:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < dj[linie].size(); ++i ) { ~~^~~~~~~~~~~~~~~~~~