int getAge(numPeople)
 {
     int age;
     if(numberPeople==1)
     age=10;
     else
     age=getAge(numPeople-1)+2;
     return age;
 }
int main()
{
    int fifthAge=getAge(5);
    printf("第五个人的年龄是%d岁",fifthAge);
    return 0;
}