Compilare: user.cpp: In function ‘int main()’: user.cpp:69:29: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if (nrnod[i]&1==1) ^ user.cpp:80:28: warning: unused variable ‘ultim’ [-Wunused-variable] int init=1,ultim=1; lista[1]=1; sol[0]=0; ^ user.cpp:66:22: warning: variable ‘pos1’ set but not used [-Wunused-but-set-variable] int v1=0,pos1=0,pos2=0; ^ user.cpp:66:29: warning: variable ‘pos2’ set but not used [-Wunused-but-set-variable] int v1=0,pos1=0,pos2=0; ^