Compilare: user.cpp: In function ‘void Solve()’: user.cpp:89:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(ve[pzs].tip==1) ^ user.cpp:108:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<d.size()-1;++i) ^ user.cpp:132:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<d.size()-1;++i) ^