Compilare: main.cpp: In function 'bool cmp(edges, edges)': main.cpp:54:23: warning: unused variable 'suma' [-Wunused-variable] int cnta=0,cntb=0,suma=0,sumb=0; ^~~~ main.cpp:54:30: warning: unused variable 'sumb' [-Wunused-variable] int cnta=0,cntb=0,suma=0,sumb=0; ^~~~ main.cpp: In function 'void dfs(int)': main.cpp:87:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<adj[a].size();i++) ~^~~~~~~~~~~~~~