#include<stdio.h>
main()
{
 int num,k,temp,a[50],count=0,i;
 printf("Enter number to find which digits are repeated\n");
 scanf("%d",&num);
 temp=num;
 
 for(i=0;i<10;i++)
 {
     a[i]=0;
 }
 while(num>0)
 {
  k=num%10;
  a[k]++;
  num/=10;
  
 }
 for(i=0;i<10;i++)
 {
  if(a[i]>1)
  {
   count=1;
   printf("%d --> repeated %d times\n",i,a[i]);
  }
 }
 if(count==0)
 {
  printf("No Repeated Digits\n");
 }
}
     
           
Note: Need to be arranged in compiler after copied
   

 OutPut:

Enter number to find which digits are repeated 122333 2 --> repeated 2 times 3 --> repeated 3 times