题解 | #汽水瓶#
汽水瓶
http://www.nowcoder.com/practice/fe298c55694f4ed39e256170ff2c205f
#include<string.h>
int main()
{
int i,x,a,value,b;
while(1)
{
value=0;
scanf("%d",&x);
if(x==0)
break;;
while(x/3)
{
a=x%3;
value+=x/3;
x=a+x/3;
if(x==3||x==2)
{value++;break;}
if(x==1)
break;
}
printf("%d\n",value);
}
}