#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <cmath>

using namespace std;

int main(int argc, char *argv[])
{
    int x;
    cout<<"Podaj liczbe:"<<endl;
    cin>>x;
    cout<<endl<<"liczba = "<<x<<endl;
    if(x > 0){
         
         for(int i = x;i > 0;i--){
                 
                 cout<<i<<" ";
                 
         }
         cout<<endl<<"liczby nieparzyste:"<<endl;
         for (int i = 0;i<x;i++){
             
             if( i%2 != 0){
                 cout<<i<<" ";
             }
             
         }
         cout<<endl<<"liczby dajace reszte 3:"<<endl;
         for (int i = 0;i<x;i++){
             
             if( i%3 == 2 and i%2 == 0){
                 cout<<i<<" ";
             }
             
         }  
          
         cout<<endl<<"wielokrotnosci 5:"<<endl;
         for (int i = 0;i<=x;i++){
             
             if( i%5 == 0){
                 cout<<i<<" ";
             }
             
         }  
         
    }
    
    system("PAUSE");
    return EXIT_SUCCESS;
}

   
   cout<<"katy"<<endl<<"Kat  sin  cos  tg   ctg"<<endl;
   
   for(int i=0;i<=90;i+=15){
          float rad = (i*3.14)/180;
          if(i == 0)
               cout<<" ";
          cout<<i<<" | ";
           printf("%.2f", sin(rad ));
           cout<<" ";
           printf("%.2f", cos(rad ));
           
           if(i == 90){
                cout<<" --- ";
           }else{
                 cout<<" ";
                  printf("%.2f", tan(rad ));
           }
           if( i == 0){
                cout<<" ---- ";
           }else{
                 cout<<" ";
                 printf("%.2f",cos(rad )/sin(rad ));
           }
           
         cout<<endl;         
   }

cout.setf(ios::right ,ios::adjustfield);
int padding =0;
for(int i =0; i<380; i+=12){
        padding =  (sin((i*M_PI)/180)*10);
        cout<<setw(padding+15)<<"*"<<endl;
        
        }
    cout<<endl;

#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <cmath>
#include <iomanip>

#include <stdio.h>
using namespace std;


float licz_bok(float x1,float y1,float x2,float y2){
      float len = sqrt( pow(x2 - x1) +  pow(y2-y1));
       return len;
      
      }
double licz_tri(float x1,float x2,float x3,float y1,float y2,float y3){
       
       
       }

int main(int argc, char *argv[])
{
    double x1,x2,y1,y2,x3,y3;
    int t;
    cout<<"wybierz tryb:"<<endl<<"1 - liczenie dlugosci"<<endl<<"2 - liczenie trojkata";
    cin>>t;
    if( t == 1){
        cout<<"Podaj x1"<<endl;
        cin>>x1;
        cout<<"Podaj y1"<<endl;
        cin>>y1;
        cout<<"Podaj x2"<<endl;
        cin>>x2; 
        cout<<"Podaj y2"<<endl;
        cin>>y2;
        cout<<licz_bok(x1,y1,x2,y2);
    }else{
          cout<<"Podaj x1"<<endl;
        cin>>x1;
        cout<<"Podaj y1"<<endl;
        cin>>y1;
        cout<<"Podaj x2"<<endl;
        cin>>x2; 
        cout<<"Podaj y2"<<endl;
        cin>>y2; 
        cout<<"Podaj x3"<<endl;
        cin>>x3; 
        cout<<"Podaj y3"<<endl;
        cin>>y3;
        licz_tri(x1,x2,x3,y1,y2,y3); 
    }
    system("PAUSE");
    return EXIT_SUCCESS;
}