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// Example program
#include <iostream>
#include <string>
#include <stdint.h> //DO ZADANIA 3  int8_t
#include <cmath>
#define FLT_EPSILON 1.19209290E-07F // do 9zadania
using namespace std;

int main()
{
 /*

  //zad 1
  double a,b;
  cin>>a>>b;
  cout<<"a= wartosc_"<<a<<"   b= wartosc_"<<b;
  double pom=a;
  a=b;
  b=pom;
  cout<<"\na= wartosc_"<<a<<"   b= wartosc_"<<b;


  //zad2
  const int a;



  //zad3

  int8_t a,b;
  cin>>a>>b;
  cout<<a<<b;



  //zad4

  double a,b;
  cin>>a>>b;
  double iloraz;
  iloraz=a/b;
  cout<<endl<<iloraz<<endl;


  //zad 5

  int a,b;
  cin>>a>>b;
  double c = sqrt(pow(a,2)+pow(b,2));
  cout<<c;

 //zad6

  int a;
  cin>>a;
  double pole = 6*(pow(a,2)*sqrt(3))/4;
  cout<<pole;



  //zad 7

  int n; //ilosc wierzcholkow
  cin>>n;
  double x[n];
  double y[n];
  double d=0;

  for(int i=0;i<n;i++){
  cin>>x[i]>>y[i];
  }

  for(int i=0;i<n-1;i++){

  d=d+(sqrt(pow(x[i+1]-x[i],2)+pow(y[i+1]-y[i],2)));

  cout<<d<<endl;

  }

  d=d+(sqrt(pow(x[n-1]-x[0],2)+pow(y[n-1]-y[0],2)));


  cout<<d<<endl;



   //zad 8

   int a,b;
   cin>>a>>b;
   a++;
   b++;
   cout<<a*b-1;

   //zad 10



   bool a = false;
   bool b = false;

   if( (a+b) == true){
       cout<<true;
   }else{
       cout<<false;
       }


   //zad 9


    float a,b,c,d,e;
    double pierwsza, druga;
    char x;
    cin>>a>>x>>b;

    pierwsza = a/b;
    cin>>c>>x>>d>>x>>e;
    druga = c-(d/e);
    cout<<pierwsza<<endl;
    cout<<druga<<endl;
   // printf("%d\n",&pierwsza);
   // printf("%d\n",&druga);





    if(abs(pierwsza-druga) < FLT_EPSILON  ){
        cout<<"Sa takie same"<<endl;
    }else{
        cout<<"Nie sa"<<endl;
    }


      //zad 10 i 11



   bool a = false;
   bool b = false;

   if( (a+b) == true){
       cout<<"true";
   }else{
       cout<<"false";
       }


  (a+b)? (ture) : (false);

    */


}