Compilare: main.cpp: In function 'void bfs(Nod&)': main.cpp:60:27: 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:162:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < linie.size()) ~~^~~~~~~~~~~~~~ main.cpp:164:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < linie.size() && linie[j] == ' ') ~~^~~~~~~~~~~~~~ main.cpp:169:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j < linie.size()) ~~^~~~~~~~~~~~~~ main.cpp:174:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < linie.size() && linie[j] != ' ') ~~^~~~~~~~~~~~~~ main.cpp:183:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < masini.size(); ++i) ~~^~~~~~~~~~~~~~~ main.cpp:185:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < masini[i].size() - 1; ++j) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:191:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < masini[i].size(); j++) ~~^~~~~~~~~~~~~~~~~~ main.cpp:209:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < noduri.size(); ++i) ~~^~~~~~~~~~~~~~~ main.cpp:211:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < noduri[i].size(); ++j) ~~^~~~~~~~~~~~~~~~~~ main.cpp:228:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < dealeri.size(); ++i) ~~^~~~~~~~~~~~~~~~ main.cpp:230:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (elemCrt <= dealeri[i].size()) ~~~~~~~~^~~~~~~~~~~~~~~~~~~~