Compilare: user.cpp: In function ‘int div(int)’: user.cpp:8:22: warning: unused variable ‘cnt1’ [-Wunused-variable] int cnt=1,p=2,ex,cnt1=1; ^ user.cpp: In function ‘int main()’: user.cpp:31:20: warning: unused variable ‘ii’ [-Wunused-variable] int a,b,best,i,ii,ex,d,nrbest,cate; ^ user.cpp:31:23: warning: unused variable ‘ex’ [-Wunused-variable] int a,b,best,i,ii,ex,d,nrbest,cate; ^ user.cpp:31:26: warning: unused variable ‘d’ [-Wunused-variable] int a,b,best,i,ii,ex,d,nrbest,cate; ^