Compilare: main.cpp: In function 'long double dist(long double, long double, long double, long double, long double, long double)': main.cpp:50:36: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if((y1<=y3&&y3<=y2)||y2<=y3&&y3<=y1){ ~~~~~~^~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:77:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<G[nod].size();i++){ ~^~~~~~~~~~~~~~