作业2.29

#include<iostream>using namespace std;int fib(int p)  {      if (p == 1)      {          return 1;      }      else if(p == 2)      {          return 1;      }      else      {          return (fib(p-1) + fib(p-2));    }        }  int main()  {      int *p;         p = new int[20];      for(int i = 1;i <= 20;i++)      {          *p = fib(i);          cout<<*p<<endl;      }      delete []p;      return 0;  }