o nguyen duong n co giam dan tu trai sang phai hay khong?

// Hay xác dinh day so nguyen duong n co giam dan tu trai sang phai hay khong?
// Khai bao ham thu vien neu co
#include<stdio.h>
#include<conio.h>

void main()
{
	int n;
	scanf("%d",&n);
	int a;
	int dem=0;
	int m=n%10;
	n=n/10;
	int t=0;
	while(n!=0)
	{
		a=n%10;
		if(a>m)
		{
			dem++;
		}
		n=n/10;
		t++;
	}
	if(t==dem)
	{
		printf(" Day so giam dan tu trai qua phai\n");
	}
	else
	{
		printf(" Khong giam dan tu trai qua phai\n");
	}
}