该程序过了CCF100000随机大数据（即题目中的julian3.in）

但是洛谷评分60pts，有错误

具体而言，我有几处怀疑的地方

1.分割线（分割儒略历和格里高利的时间点）

2.公元-1变到+1的代码错误

3.cy函数编写错误

4.未知糖式原因

#include <bits/stdc++.h>
using namespace std;
#define int long long
int m[13], y[400];
int Q, n, A;
int cycle = 365 + 365 + 365 + 366;
int start_year = -4713;

bool leap(int k) {
	if ((k % 4 != 0) || ((k % 100 == 0) && (k % 400 != 0)))
		return 0;
	else
		return 1;
}

void month() {
	m[1] = 31; m[2] = 28; m[3] = 31; m[4] = 30; m[5] = 31; m[6] = 30;
	m[7] = 31; m[8] = 31; m[9] = 30; m[10] = 31; m[11] = 30; m[12] = 31;
}

void print(int y, int d, int man) {
	m[2] = 28 + man;
	for (int i = 1; i <= 12; i++) {
		if (d < m[i] && y > 0) {
			cout << d + 1  << " " << i  << " " << y << endl;
			break;
		}
		if (d < m[i] && y < 0) {
			cout << d + 1 << " " << i  << " " << -y << " BC" << endl;
			break;
		}
		d = d - m[i];
	}
	m[2] = 28;
}

void cy(int s) { //calculate year
	int sy = 1583;
	int cnt = 1583;
	cnt = cnt + (s / A) * 400;
	s = s % A;
	while (s >= y[(cnt ) % 400]) {
		s = s - y[cnt % 400];
		cnt++;
	}
	print(cnt + 1, s, leap(cnt + 1));
}

signed main() {
	month();
	A = 0;
	for (int i = 1; i <= 400; i++) {
		if (!leap(i))
			y[i - 1] = 365;
		else
			y[i - 1] = 366;
		A = A + y[i - 1];
	}
	cin >> Q;
	while (Q--) {
		cin >> n;
		if (n < 2299526) { //Seprating LINE
			int p = n / cycle;
			int q = n % cycle;
			int u = start_year + p * 4;
			//cout << "u=" << u << endl;
			if (u >= 0)
				u++;

			if (q >= 0 && q <= 365) {
				print(u, q, 1);
			} else {
				u = u + ceil((q - 365) / 365.0);
				q = (q - 366) % 365;
				print(u, q, 0);
			}
		} else {
			n = n - 2299526;
			if (n >= 0 && n <= 17 + 30 + 31) { //special for year of 1582
				if (n >= 0 && n <= 17) {
					cout << 14 + n << " 10 1582" << endl;
				} else if (n >= 18 && n <= 37) {
					cout << n - 17 << " 11 1582" << endl;
				} else {
					cout << n - 37 << " 12 1582" << endl;
				}

			} else {
				n = n - 17 - 30 - 31;
				cy(n);
			}
		}
	}
	return 0;
}