#include<stdio.h> int c1,c2,c3; void fun(long n) { c1=c2=c3=0; while(n) { switch(n%10) { case1:c1++

.h>
int fun(int a,int b)
{
int result=0;
result+=a%10;
result*=10;
result+=b%10;
result*=10;
result+=a/10;
result*=10;
result+=b/10;
retu