#include <stdio.h> int getYearsOld(n){?int num? ; ?if (n==1)???? num=10;??else??num=getYearsOld(n-1)+2;? return num;?}?int main() {??? int fifthAge=getYearsOld(5);?printf("第5個人的年齡是%d歲", getYearsOld); ?return 0;}