Compilare: user.cpp: In function ‘void dijkstra()’: user.cpp:76:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < graf[curent].size(); i++) ^ user.cpp: In function ‘void rezolvare()’: user.cpp:94:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < prieteni.size(); i++) ^ user.cpp:110:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < prieteni.size()-1; i++) ^