回复 嘿嘿大人:#include <stdio.h>
unsigned long fun(unsigned long n)
{ unsigned long x=0, s, i; int t;
s=n;
/**********found**********/
i=1;
/**********found**********/
while(s>0)
{ t=s%10;
if(t%2==0){
/**********found**********/
x=x+t*i; i=i*10;
}
s=s/10;
}
return x;
}