Präsenz4

#include <iostream>
#include <string>
#include <math.h>
using namespace std;




struct Baum{
  string Baumart;
  double height;
  int age;

  Baum(string artIn, double heightIn, int ageIn):Baumart(artIn),height(heightIn),age(ageIn){


  }

  void print(){
    cout << Baumart << "; " << height << "; " << age << ";" << endl;

  }



};

Baum pflanzen(){
  string t;
  double h;
  int a;
  cout << "Gebe Baumart an:";
  cin >> t;
  cout << "Gebe Baumhoehe an:";
  cin >> h;
  cout << "Gebe Baumalter an:";
  cin >> a;
  return Baum(t,h,a);

}


void fibersteller(int n,int *azero, int a, int b){//Spielerei
    *(azero)=a;
    *(azero+1)=b;
    for(int i=2;i<n;i++){
      *(azero+i)=*(azero+i-1)+*(azero+i-2);
    }
    return;
}


bool fibonacciSequence(int length, int arr[]){
  if(length<2) return true;
  int i=2;
  while(i<length){
    if(arr[i-2]+arr[i-1]!=arr[i]) return false;
    i++;
  }
  return true;
}

void Aufgabe1(){
  pflanzen().print();
}

void Aufgabe2(){
  char arr[9]={'.','.','.','.','.','.','.','.','.'};
  int i=1;
  int input=5;
  while(true){
    do{
      cout << i++ << " ";
    }while(i<10);
    cout << endl;
    i=0;
    do{
      cout << arr[i++] << " ";
    }while(i<9);
    i=1;
    cout << endl;
    cout << "Enter new x Position:";
    cin >> input;
    if(input >9 || input <1 ) break;
    if(arr[input-1]=='x') arr[input-1]='.';
    else arr[input-1]='x';
  }
}

void Aufgabe3(){
  const static int n=5;
  int arr[n]={1,2,3,5,7};
  //fibersteller(n,&arr[0],1,1);

  if(fibonacciSequence(5, arr)) cout << "Fibonacci Sequenz" << endl;
  else cout << "Nicht Fibonacci Sequenz" << endl;
}

int main(){
  Aufgabe3();
}