Compilare: main.cpp: In function 'int dfs(int, int, int)': main.cpp:15:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<vecini[nod].size(); i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:34:23: warning: unused variable 'mid' [-Wunused-variable] int st=1,dr=10000,mid,rasp=0; ^~~