#include <iostream> //Ever Ibarra Almaral TC1017
using namespace std;

long fibonacci(long n){
  long x;
      if (n<=1){
      x=n;
      return x;
  }
      else{
      if(n>1){
          int y=0;
          int z=1;
          long temp;
          for(int i=1;i<n;i++){
      temp=y+z;
      y=z;
      z=temp;
    }
    return z;}
  }
  }

  void newline(){
    cout<<endl;
  }
  int main () {
    long a;
  cout << "Hello, I´m a calculator of fibonacci algorithm";
  newline();   newline();
  cout << "Please, enter the position of the number in the fibonacci algorithm: ";
  cin >> a;
  newline();
  cout << "The fibonacci number is: " << fibonacci (a);

  return 0;


}

#include <iostream> //Ever Ibarra Almaral TC1017
#include <string>
using namespace std;

string palindrome(string a){

a=string(a.rbegin(), a.rend());
return a;
}

void newline(){
  cout<<endl;
}

int main(){
  string b;
  cout<<"Enter the string "<<endl;
  cin>>b;
  newline();
  cout<<"the reverse string equals to "<<palindrome(b);
newline();
  if (b==palindrome(b)){
    cout<<"The string is a palindrome"<<endl;
    newline();
  }
  else{
    cout<<"The string its not a palindrome"<<endl;
    newline();
  }

  return 0;
}

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

double addition  (double a, double b){ //addition is the name of the function
return a+b;
}

double sustraction (double a, double b){
return a-b;
}

double product (double a, double b){
return a*b;
}

double division (double a, double b){
return a/b;
}

int remainder (int a, int b){
return a%b;
}

void newline(){
  cout<<endl;
}

int main(){
double a;
double b;
cout<<"Hi, I´m a calculator of two numbers, I will make operations of addition, product"<<endl;
cout<<"sustraction, division and eventually calculate the remainder between the numbers you´ll give me"<<endl;
newline();
cout<<"Please, give me the first value "; cin>>a;
newline();
cout<<"Please, give me the second value "; cin>>b;
newline();
cout<<"The addition of the numbers equals to "<< addition(a,b)<<endl; //We are calling the function
cout<<"The sustraction of the numbers equals to "<< sustraction(a,b)<<endl;
cout<<"The product of the numbers equals to "<< product(a,b)<<endl;
cout<<"The division of the numbers equals to "<< division(a,b)<<endl;
cout<<"The remainder of the division equals to "<< remainder(a,b)<<endl;

return 0; //...So the programm wont return values.
}

#include <iostream>
 using namespace std;

 int main(){
  int sum=0;
  int x,y;

  int number=x;
  cout<<"This is a programm that can make the operation of addition in a range of values "<<endl;
  cout<<""<<endl;
  cout<<"Please give me the lower value ";
  cin>>x;

  cout<<"Please give me the upper value ";
  cin>>y;

  if (x>y){
  int temporal; //Store data, save data

  temporal=x;
  x=y;
  y=temporal;

  }

  for(int counter = x; counter <=y; counter++)

    sum += counter;

    cout<<"The result of the numbers from "<< x << " to "<<y<< " = "<< sum <<endl;

  return 0;


 }

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

int main() {
  int y, intentos=0;
  srand((unsigned)time(0));
    int x = rand()%100+1;

  do {

      cout << "Guess my number between 1 to 100"<<endl;
      cin >> y;


      if (y>x){
          cout << "I´m sorry, " << y << "The number is too big" << endl;
      }
          else if (y<x){
              cout << "I´m sorry, " << y << " The number is too small." << endl;
          }
              else if (y=x){
                  cout << "Congrats, the correct answer was " << x << endl;
              }


  } while (y!=x);

  return 0;
}

#include <iostream>
using namespace std;
int main(){
    int x;
    char c;



    cout<<"Choose a convertion"<<endl;
    cout<<""<<endl;
    cout<<"1. Celsius  to  Fahrenheit"<<endl;
    cout<<""<<endl;
    cout<<"2. Fahrenheit to Celsius"<<endl;
    cout<<""<<endl;
    cin>>x;
     if(x==1){
          float x;
          cout<<"Enter the temperature in Celsius degrees"<<endl;
          cout<<""<<endl;
          cin>>x;
          cout<<""<<endl;
          float y=(x*9/5)+(32);
          if (y<212){
  cout << "Water does not boil at this temperature (under typical conditions). "<<endl;
}

if (y>211)
{

  cout<< "Water does boil at this temperature (under typical conditions). "<<endl;

}
cout<< ""<<endl;
if (y<32){

  cout<< "The water is frozen"<< endl;

}
          cout<<x<<" Celsius degrees equals to "<<y<<" Fahrenheit";
      }else{
          float a;
          cout<<"Enter the temperature in fahrenheit degrees "<<endl;
          cout<<""<<endl;
          cin>>a;
          cout<<""<<endl;
          float b=(a-32)*5/9;
          if (b<212){
  cout << "Water does not boil at this temperature (under typical conditions). "<<endl;
}

if (b>211)
{

  cout<< "Water does boil at this temperature (under typical conditions). "<<endl;

}
cout<< ""<<endl;
if (b<33){

  cout<< "The water is frozen"<< endl;

}
          cout<<a<<" Fahrenheit degrees equals to "<<b<<" Celsius degrees";
      }

   return 0;
    }

#include <iostream>
using namespace std;

int main(){

int x;
int y;

cout<<"Hello, I´m a calculator of two values"<<endl;
cout<<""<<endl;
cout<<" give me the first value"<<endl;
cout<< ""<<endl;
cin>>x;

cout<<" give me the second value"<<endl;
cout<<""<<endl;
cin>>y;

int z=y-x;
cout<<"The addition equals to  ";
cout<<z<<endl;

int c=y+x;
cout<<"The substraction equals to  ";
cout<<c<<endl;

int d=y*x;
cout<<"The multiplication equals to ";
cout<<d<<endl;

int a=y/x;
cout<<"The division is equals to  ";
cout<<a<<endl;

int b=y%x;
cout<<"The res equals to ";
cout<<b<<endl;


return 0;

}