Compilare: main.cpp: In function 'bool bfs(int, int)': main.cpp:60:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[nodcrt].size();i++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void cautbin()': main.cpp:49:14: warning: 'rez' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<rez; ^