Compilare: user.cpp: In function ‘void creare(int)’: user.cpp:22:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nod + sir[i].size() <= maxLen) { ^ user.cpp:17:9: warning: unused variable ‘crtDif’ [-Wunused-variable] int crtDif = nod; ^ user.cpp: In function ‘void dijkstra()’: user.cpp:46:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[j].size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:60:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < sir[j].size(); ++i) ^