答案是多少啊?

2007-10-30 16:15
2007-10-30 18:31
2007-10-30 20:01
2007-10-30 21:28
呵呵 如果是这样的话
#include "stdio.h"
main()
{
int day,x1,x2;
day=9;
x2=1;
while(day>3)
{x1=x2*2;/*第3天桃子数是第2天桃子数的2倍*/
day--;
x2=x1;
}
x1=(x2+1)*2;/*第1天桃子数是第2天桃子数(+1)的2倍*/
x2=(x1+1)*2;
x1=x2;
printf("the total is %d\n",x1);
}
改变下条件就可以了

2007-10-31 16:07
2007-10-31 16:21