Compilare: main.cpp: In function 'int euler(int)': main.cpp:23:13: warning: unused variable 'muchie' [-Wunused-variable] int muchie=v[nod].back().second; ^~~~~~ main.cpp:58:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:73:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<afla_vecini[mch[i].y].size();j++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~