Compilare: main.cpp: In function 'int main()': main.cpp:50:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < graf[i].size(); j++) { ~~^~~~~~~~~~~~~~~~ main.cpp:70:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (itt_tart < sor.size()) { ~~~~~~~~~^~~~~~~~~~~~ main.cpp:71:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graf[sor[itt_tart]].size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:82:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sor.size(); i++) ~~^~~~~~~~~~~~ main.cpp:100:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (itt_tart < sor2.size()) { ~~~~~~~~~^~~~~~~~~~~~~ main.cpp:101:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graf.size(); i++) { ~~^~~~~~~~~~~~~ main.cpp:103:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < graf[i].size(); j++) { ~~^~~~~~~~~~~~~~~~