bool類型的內存佔用要比int的小!!!
#include<stdio.h>
#define MAX 1000001
int isjJiLi(int num){
while(num){
if(num%10==4 || num%100==62)
return 0;
num/=10;
}
return 1;
}
int main()
{
int n,m,i,j,k,Jili;
bool a[MAX];
for(i=1;i<MAX;i++)
if(isjJiLi(i))
a[i]=1;
while(scanf("%d%d",&n,&m)){
if(n==0 && m==0)
break;
Jili=0;
while(n<=m)
if(a[n++])
Jili++;
printf("%d\n",Jili);
}
return 0;
}