#include "stdio.h"
int sumPeach(int day)
{
if (day == 10)
return 1;
else
return 2 * sumPeach(day + 1) + 2;
}
int main()
{
int sum;
sum=sumPeach(1);
printf("The first day of picking peaches number is:%d\n",sum
);
}
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