project euler problem 04

project euler problem 04

#include<stdio.h>
int reverse(int n){
   int  reversed=0;
      while(n>0){
            reversed=10*reversed+(n%10);
            n=n/10;
      }
      return reversed;
}

      int is_pal(int n){
            if(n==reverse(n))
            return n;
            else
            return 0;
      }

int main()
{
      int lar_pal=0;
int a=999;int b;
      while(a>100){
            b=999;
            while(b>=a){
                  if(a*b<=lar_pal)
                  break;

                  if(is_pal(a*b))
                  lar_pal=a*b;
                  b--;
            }
            a--;
      }
   printf("%d\n",lar_pal);
}