const unsigned int &fun_last(const int &n,const int &day)
{
if(n<0) return -1
if(day==1) return n
return fun_last(2*(n+1),day-1) //当天剩n个，前一天剩下2*(n+1)个
}
int main(void)
{
int day=10,n=1
printf("第一天摘下%d个桃子\n",fun_last(n,day))
return 0
}
#include"stdio.h"int tao(int t)
{
int m,a
if(t==10)
{
m=1
}
else
{
a=tao(t+1)
m=2*(a+1)
}
return m
}
void main()
{
int m,n
for(n=1n<=10n++)
{
m=tao(n)
printf("第%d天 =%d\n",n,m)
}
}
