Page 207 - Computer science 868 Class 12
P. 207

12              n = nn;
                  13          }

                  14          int sum_sq_digits(int x)
                  15          {

                  16              while(x > 0)
                  17              {

                  18                  d = x%10;
                  19                  s = s + d*d;

                  20                  x = x/10;
                  21              }

                  22              return(s);
                  23          }

                  24
                  25          void ishappy()

                  26          {
                  27              int a;
                  28              while(n > 9)

                  29              {

                  30                  s = 0;
                  31                  n = sum_sq_digits(n);
                  32              }

                  33              if(n== 1)
                  34                  System.out.println("Happy No.");

                  35              else
                  36                  System.out.println("Not a Happy No.");

                  37          }
                  38

                  39          public static void main()
                  40          {

                  41              Scanner sc=new Scanner(System.in);
                  42              int num;

                  43              System.out.println("Enter a number ");
                  44              num=sc.nextInt();

                  45              Happy ob = new Happy();




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