本地+洛谷IDE是对的，但是每次交的时候都不给对

#include <cstdio>
using namespace std;
const int SRC[13] = {29/*闰年*/, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
int main()
{
	int begin, end;
	int b, e;
	int year = 0, lj = 0, fan = 0;
	int month, day;
	long long ans = 0;
	scanf("%d\n%d", &begin, &end);
	b = begin, e = end;
	year = (b / (int)1e8) * 10000 + ((b / (int)1e7	) % 10) * 1000 + ((b / (int)1e6) % 10) * 100 + ((b / (int)1e5) % 10) * 10 + ((b / (int)1e4) % 10); 
	lj = (e / (int)1e8) * 10000 + (e / (int)1e7 % 10) * 1000 + (e / (int)1e6 % 10) * 100 + (e / (int)1e5 % 10) * 10 + (e / (int)1e4 % 10);
	month = (e / (int)1e3 % 10) * 10 + ((e / (int)1e2) % 10);
	day = ((e / 10) % 10) * 10 + (e % 10);
	#if 0
	printf("month = %d\tday = %d\n", month, day);
	#endif 
	for(int i = year; i <= lj; i++)
	{
		int m, d;
		fan = (i / 1000) + ((i / 100) % 10) * 10 + ((i / 10) % 10) * 100 + (i % 10) * 1000; 
		m = fan / 100;
		d = (fan - (fan / 100) * 100) / 10 * 10 + (fan % 10);

		if(m == 0 || m > 12)
			continue;
		
		if(((i % 4 == 0 && i % 100) || !(i % 400)) && m == 2)
			m = 0;
		if(m <= 12 && m >= 0 && d <= SRC[m] && d > 0 && m <= month)
		{
		//	if(i < lj || (i == lj && m <= month && d <= day))
			ans++;
		}
		#if 0
		printf("%d \tm = %d\td = %d\tmonth = %d\n", fan, m, d, month);	
		#endif
	}
	printf("%lld", ans);
	return 0;
}