程序代码：

# include <stdio.h>
int Age(int n);
int main (void)
{
    
    printf("第5个人的年龄是:%d\n",Age(5));
    
    return 0;
} 

int Age(int n)
{
    int age;
    
    if(n==1)
     age = 10;
    else
     age = 2+Age(n-1);
    
    return age;
}