Compilare: main.cpp: In function 'void afis()': main.cpp:45:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { for(j=0; j<v[i].size(); j++) ~^~~~~~~~~~~~ main.cpp: In function 'void dijkstra()': main.cpp:77:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<v[nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp:54:16: warning: variable 'costt' set but not used [-Wunused-but-set-variable] int i, nod,costt, costw, next,cstt,cstw, wat=0; ^~~~~