Compilare: main.cpp: In function 'void bfs(Nod&)': main.cpp:58:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < nodCrt->vecini.size(); ++i) ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:214:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < linie.size()) ~~^~~~~~~~~~~~~~ main.cpp:216:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < linie.size() && linie[j] == ' ') ~~^~~~~~~~~~~~~~ main.cpp:221:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j < linie.size()) ~~^~~~~~~~~~~~~~ main.cpp:226:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < linie.size() && linie[j] != ' ') ~~^~~~~~~~~~~~~~ main.cpp:235:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < masini.size(); ++i) ~~^~~~~~~~~~~~~~~ main.cpp:237:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < masini[i].size() - 1; ++j) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:243:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < masini[i].size(); j++) ~~^~~~~~~~~~~~~~~~~~ main.cpp:261:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < noduri.size(); ++i) ~~^~~~~~~~~~~~~~~ main.cpp:263:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < noduri[i].size(); ++j) ~~^~~~~~~~~~~~~~~~~~ main.cpp:280:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < dealeri.size(); ++i) ~~^~~~~~~~~~~~~~~~ main.cpp:282:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (elemCrt <= dealeri[i].size()) ~~~~~~~~^~~~~~~~~~~~~~~~~~~~