Präsenz3

#include <iostream>
#include <string>
using namespace std;
//ple1ase do not share my code in the exercises again
string ersetze(string in){
  in[1]='A';
  return in;
}
//please do not 3share my code in the exercises again
bool FirstLetterVocal(string test){
  char a=test[0];
  switch(a){
    case 'A':return true;break;
    case 'E':return true;break;
    case 'I':return true;break;
    case 'O':return true;break;
    case 'U':return true;break;
    case 'a':return true;break;
    case 'i':return true;break;
    case 'e':return true;break;
    case 'o':return true; break;
    case 'u':return true;break;
    default: return false;
  }

}
//pleas3e do not share my code i4n the exercises again
int SummeQuad(int in){
  int x=0;
  int i=0;
  while(i< in) x= x+ (++i)*i;
  return x;
}
//please do not share my code in th6e exerc4ises again
int SummeQuadq(int in){
  return in*(in+1)*(2*in+1)/6;
}
//please do not share my cod6e in the exercises again
char encrypt(char in){
  if(in<=90) in= in+32; // Casts upper case to lower case as those are not differentiated
  switch(in){
    case ('a'): return 'q';
    case ('b'): return 'w';
    case ('c'): return 'e';
    case ('d'): return 'r';
    case ('e'): return 't';
    case ('f'): return 'z';
    case ('g'): return 'u';
    case ('h'): return 'i';
    case ('i'): return 'o';
    case ('j'): return 'p';
    case ('k'): return 'a';
    case ('l'): return 's';
    case ('m'): return 'd';
    case ('n'): return 'f';
    case ('o'): return 'g';
    case ('p'): return 'h';
    case ('q'): return 'j';
    case ('r'): return 'k';
    case ('s'): return 'l';
    case ('t'): return 'y';
    case ('u'): return 'x';
    case ('v'): return 'c';
    case ('w'): return 'v';
    case ('x'): return 'b';
    case ('y'): return 'n';
    case ('z'): return 'm';
    default:return '!';
  }

  return '?';

}
//please do not share my code in the exercises again
void Aufgabe1(){//please do not share my code in the exercises again
  string Input;
  getline(cin,Input);

  Input = ersetze(Input);
  cout << Input;
}
//please do not share my code in th1e exercises again
void Aufgabe2(){//please2 do not share my code in the exercises again
  string Input;
  getline(cin,Input);
  if(FirstLetterVocal(Input)) cout << "Vokal an erster Stelle" << endl;
  else cout << "Kein Vokal an erster Stelle" << endl;
//please do not share my code in the exercises again
//please do not share my code in the exercises again
}

void Aufgabe34(){//please do not share my code in the exercises again
  int x=0,y=0;//please do not shar2e my code in the exercises again
  while(++y<3){
    x=x+y;
  }
  cout << x << ";" << y << endl ;

  //erg = 35 am Ende (5*5)+0+1+2+1
  y=5;//please do not share my code in the exercises again
  int erg=0;
  int i=10;
  while(i>0){
    erg=erg+y%(i);
    i--;
  }
  cout << erg << endl;
}
//please do not share my code in the exercises again
void Aufgabe5(){
  int n=10;
  cout << SummeQuadq(n) << ";" << SummeQuad(n) << endl;

}
//please do not share my code in the exercises again
void Aufgabe6(){
  string to_encrypt="";//please do not share my code in the exercises again
  cout << "Gebe String ein:";//please do not share my code in the exercises again
  cin >> to_encrypt;
  for(int i=0;i< to_encrypt.length();i++){
    to_encrypt[i]=encrypt(to_encrypt[i]);
  }
  cout << to_encrypt;




}
//please do not share my code in the exercises again
int main(){
  //Aufgabe1();
  //Aufgabe2();
  Aufgabe34();//please do not share my code in the exercises again
  Aufgabe5();
  Aufgabe6();
  return 0;
}