Compilare: main.cpp: In function 'void BFS(int)': main.cpp:69:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<arbore[nod].size();i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:104:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<d[i].size();j++) ~^~~~~~~~~~~~ main.cpp:107:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int p=0;p<arbore[node].size();p++) ~^~~~~~~~~~~~~~~~~~~~ main.cpp:112:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<bus[arbore[node][p]].size();j++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:93:9: warning: 'distmax' may be used uninitialized in this function [-Wmaybe-uninitialized] int distmax; ^~~~~~~