yosoy196.cpp

// Solving Problems with Programming
// Professor Ken Bauer
//
// Your name here
// Your student# here
// If you worked with somebody else, you need to put their names here

#include <iostream>
#include <string>
using namespace std;

#include "BigIntegerLibrary.hh"

bool espalindromo(BigInteger n){

  string x = bigIntegerToString (n);
  x= string (x.rbegin(),x.rend()); //This assignation helps to make the operation of reverse the string value from the beginning
  //(x.rbegin()) to the end (x.rend()). Therefore all that string will be reverse and that reverse value wil have it the string variable x

  BigInteger y = stringToBigInteger(x); //Declarate BigInteger variable y. Then we have an assignation operation between 'y' and 'x' and
  //stands for convert the reverse string value of x to reverse and numeric BigInteger value and save this new value of BigInteger to
  //BigInteger variable 'y'

  if (n == y){
    return true;
    }
    else{
        return false;
        }
  }

BigInteger becomepalindrom(BigInteger n){
  BigInteger candidatoo;

  string x = bigIntegerToString (n);
  x=string(x.rbegin(),x.rend());

  BigInteger y = stringToBigInteger(x);
  candidatoo = y + n;
  return candidatoo;
  }

int main(){
  int bajo, alto, contadorpali = 0, palindromohecho = 0, countadorLychrel = 0;
  BigInteger candidate;

  cout << "Dame el valor más bajo de la lista de numeros a evaluar: ";
  cin >> bajo;
  cout << "Dame el valor más alto de la lista de numeros a evaluar: ";
  cin >> alto;

  cout<<"\nCalculando los numeros: palindromos, no-Lychrel o Lychrel candidatos\n"<<endl;

  for(int i=bajo; i<=alto; i++) {
    if(espalindromo(i) == true){
      contadorpali = contadorpali + 1;
      }
      else
         {
           candidate = i;
           int counter = 1;
      while(espalindromo(candidate)==false && counter <= 30){
        candidate = becomepalindrom(candidate);
        counter++;
        if (espalindromo(candidate) == true){
          palindromohecho++;
          }
      }
    }

    if (espalindromo(candidate) == false){
      countadorLychrel++;
      cout << "Numeros de Lychrel encontrados: " << i << endl;
      }
  }


  cout << "Los resultados del rango "<<bajo<<" al "<<alto<<endl;
  cout << "\nPalindromos naturales: " << contadorpali<<endl;
  cout << "No Lychrels (pero se pueden convertir en palindromos): " << palindromohecho<<endl;
  cout << "Candidates Lychrel: " << countadorLychrel<<endl<<endl;

  return 0;
}