Compilare: user.cpp: In function ‘int dfs(int)’: user.cpp:28:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void bellmanf()’: user.cpp:32:37: warning: unused variable ‘drakenou’ [-Wunused-variable] int costac,drakeac,nodac,nodnou,drakenou,nrvecini,h,costnou,bestdrake; ^ user.cpp: In function ‘int main()’: user.cpp:88:38: warning: left operand of comma operator has no effect [-Wunused-value] maxdrake=(maxdrake,drake[i]); ^