Compilare: main.cpp: In function 'void bfs(int)': main.cpp:39:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graf[nod].size(); i++) ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void identifLant(int)': main.cpp:60:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < grafInv[nodFinal].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:165:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < noduriSpeciale.size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:167:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < graf[noduriSpeciale[i]].size(); j++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~