fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int input;
  5.     int reversed = 0;
  6.     int reversed_even_ctr = 0; 
  7.     int reversed_odd_ctr = 0;
  8.  
  9.     printf("Input a positive integer: ");
  10.     scanf("%d", &input);
  11.     int original = input;
  12.  
  13.     while (input > 0) {
  14.         reversed += input % 10; // Gets the last digit from the input
  15.  
  16.         if (reversed % 2 == 0) {
  17.             reversed_even_ctr++;
  18.         } else {
  19.             reversed_odd_ctr++;
  20.         }
  21.  
  22.         if (input < 10) {
  23.             break;
  24.         }
  25.  
  26.         reversed *= 10; // Append zero to the retrieved last digit
  27.         input /= 10;
  28.     }
  29.  
  30.     printf("\nOriginal Number: %d\n", original);
  31.     printf("Reversed Number: %d\n", reversed);
  32.     printf("Even digits counter (Reversed): %d\n", reversed_even_ctr);
  33.     printf("Odd digits counter (Reversed): %d\n", reversed_odd_ctr);
  34.  
  35.     if (reversed % 2 == 0) {
  36.         printf("Reversed number is EVEN\n");
  37.     } else {
  38.         printf("Reversed number is ODD\n");
  39.     }
  40. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
copy 
1
2
10
42
11
stdout
copy 
Input a positive integer: 
Original Number: 1
Reversed Number: 1
Even digits counter (Reversed): 0
Odd digits counter (Reversed): 1
Reversed number is ODD
https://ideone.com/Hxvuwb
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!