谢谢各位,我自己已经想到了
#include <stdio.h>
void main()
{
int sum1=0,sum2=0,i,n;
printf("Please enter an integer:");
scanf("%d/n",&i);
for(i;i>0;i=i/10)
{
n=i%10;
if (n%2==0)
sum1+=n;
else
sum2+=n;
}
printf("even:%d odd:%d",sum1,sum2);
}