Compilare: main.cpp: In function 'int main()': main.cpp:33:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k = 0; k < v[poz].size() && gasit == false; ++k)///cautam sa vedem daca a mai facut cnv la acel moment de timp ~~^~~~~~~~~~~~~~~ main.cpp:53:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < keys.size(); ++i)///parcurgem lista de liste ~~^~~~~~~~~~~~~ main.cpp:54:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < v[keys[i]]. size(); ++j) ~~^~~~~~~~~~~~~~~~~~~~