Compilare: main.cpp: In function 'int main()': main.cpp:47:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<vecini[nod].size();i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp:58:23: warning: suggest parentheses around operand of '!' or change '&' to '&&' or '!' to '~' [-Wparentheses] else if( !tip&(1>>(loc[x]-1)) ){ ^~~~