ch1/exercises/ex8.c

   1 /*reverse a 5-digit number*/
   2
   3 #include<stdio.h>
   4 #include<math.h>
   5
   6 int main()
   7 {
   8   long num,num2;
   9
  10   printf("Enter num: ");
  11   scanf("%ld",&num);
  12
  13   num2=0;
  14
  15   num2= num2 + (pow(10,4)*(num%10));
  16   num= num/10;
  17
  18   num2 = num2 + (pow(10,3)*(num%10));
  19   num = num/10;
  20
  21   num2 = num2 + (pow(10,2)*(num%10));
  22   num = num/10;
  23
  24   num2 = num2 + (pow(10,1)*(num%10));
  25   num = num/10;
  26
  27   num2 = num2 + (pow(10,0)*(num%10));
  28   num  = num/10;
  29
  30   printf("Reverse is %ld\n",num2);
  31   return 0;
  32 }