Compilare: main.cpp: In function 'int main()': main.cpp:33:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[nod].size();j++){ ~^~~~~~~~~~~~~~ main.cpp:40:44: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses] }else if(sol[vecin]!=sol[nod]^muchie){ ~~~~~~~~~~^~~~~~~~~~