对称数 代码3

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
int main() {
	LL n, m, j = 0, k = 0, sum = 0;
	cin >> n >> m;
	for (int i = n; i <= m; i++) {
		j = i;
		k = (j % 10) * 100 + ((j / 10) % 10) * 10 + (j / 100);
		if (i == k && i % 2 == 1) {
			sum++;

		}


	}
	cout << sum;
	return 0;
}