Compilare: user.cpp: In function ‘void initializare()’: user.cpp:51:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<L[1].size();i++) ^ user.cpp: In function ‘void dijkstra()’: user.cpp:71:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<L[vfmin].size();j++) ^ user.cpp:62:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,vfmin,ax; ^