C++第十九题20150412

#include<stdio.h>
void f(unsigned int x)
{
unsigned int flag;
do{
flag = x%2;
x = x/10;
}while(x && ((!flag)==x%2));
if(x==0)
printf("满足交替规律\n");
else
printf("不满足交替规律\n");
}
int main()
{
unsigned int x;
while(1)
{
printf("input integar(>0)");
scanf("%u",&x);
f(x);
}
return 0;
}