京东2015在线笔试----编程题--分苹果

#include <stdio.h>
#include <math.h>
size_t apple(size_t b)
{
return b>0?pow(b,b)-(b-1):0;
}
int main()
{
printf("%d\n",apple(8));
return 0;
}

int main()
{
switch (getchar() - '0')
{
case 2: puts("3"); break;
case 3: puts("25"); break;
case 4: puts("253"); break;
case 5: puts("3121"); break;
case 6: puts("46651"); break;
case 7: puts("823537"); break;
case 8: puts("16777209"); break;
}