Compilare: main.cpp: In function 'int bfs()': main.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void afis()': main.cpp:77:13: warning: unused variable 'k' [-Wunused-variable] int k=0; ^ main.cpp:72:15: warning: unused variable 'Max' [-Wunused-variable] int cnt=0,Max=0; ^~~ main.cpp: In function 'int main()': main.cpp:102:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[100].size();i++) ~^~~~~~~~~~~~~~