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Sep 16th, 2014
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Java 0.64 KB | None | 0 0
  1.  
  2. import java.util.Scanner;
  3.  
  4. public class RajatunLukusarjanSumma {
  5.  
  6.     public static void main(String[] args) {
  7.         Scanner lukija = new Scanner(System.in);
  8.  
  9.         System.out.print("Ensimmäinen: ");
  10.         int eka = Integer.parseInt(lukija.nextLine());
  11.        
  12.         System.out.print("Viimeinen: ");
  13.         int vika = Integer.parseInt(lukija.nextLine());
  14.        
  15.         int tulos = eka;
  16.         int kierros = 1 + eka;
  17.  
  18.         while (vika > 0) {
  19.            
  20.             tulos = tulos + kierros;
  21.             vika--;
  22.             kierros++;
  23.         }
  24.        
  25.         System.out.print("Tulos: " + tulos);
  26.     }
  27. }
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