Compilare: main.cpp: In function 'void dfs(int)': main.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[x].size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'void dijkstra(int, std::vector<muchie>*, int)': main.cpp:42:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[u].size();i++) ~^~~~~~~~~~~~ main.cpp:43:64: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(d[v[u][i].x]>d[u]+v[u][i].c || d[v[u][i].x]==-1 && (tip==0 || (tip==1 && v[u][i].c <= a[x]))) ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~