Submission #1804435


Source Code Expand

#include <cstdio>
#include <iostream>
#include <algorithm>
typedef long long ll;
const int N = 2e5 + 5;
const int G = 5;
const int Mod = 924844033;
int n, fac[N], Ifac[N], que[N], qn, fa[N], sze[N], num[N];
int tot, first[N << 1], next[N << 1], end[N << 1];
int len, w[2][N], R[N], x[N], y[N];
inline int Get() {
	char ch;
	while ((ch = getchar()) < '0' || ch > '9');
	int Num = ch - '0';
	while ((ch = getchar()) >= '0' && ch <= '9')
		Num = (Num << 3) + (Num << 1) + ch - '0';
	return Num;
}
inline void AddEdge(int x, int y) {
	next[++tot] = first[x], first[x] = tot, end[tot] = y;
	next[++tot] = first[y], first[y] = tot, end[tot] = x;
}
inline int pow(int x, int k) {
	ll res = 1, r = x;
	for (; k; k >>= 1, r = r * r % Mod)
		if (k & 1) res = res * r % Mod;
	return res;
}
void NTT(int *a, int n, int res) {
	for (int i = 0; i < n; ++i) if (i < R[i]) std :: swap(a[i], a[R[i]]);
	
	for (int k = 1; k < n; k <<= 1) {
		int x = w[res][n / k / 2];
		for (int str = 0; str < n; str += k << 1) {
			int wx = 1;
			for (int i = str; i < str + k; ++i) {
				int u1 = a[i], u2 = (ll)wx * a[i + k] % Mod;
				a[i] = (u1 + u2) % Mod;
				a[i + k] = (u1 - u2 + Mod) % Mod;
				wx = (ll)wx * x % Mod;
			}
		}
	}
	
	if (!res) {
		int Inv = pow(n, Mod - 2);
		for (int i = 0; i < n; ++i) a[i] = (ll)a[i] * Inv % Mod;
	}
}
inline void Init(int n) {
	len = 0;
	while ((1 << len) <= n) ++len;
	int x = pow(G, (Mod - 1) / (1 << len));
	w[0][0] = w[1][0] = 1;
	for (int i = 1; i < (1 << len); ++i) {
		R[i] = (R[i >> 1] >> 1) | ((i & 1) << len - 1);
		w[0][(1 << len) - i] = w[1][i] = (ll)w[1][i - 1] * x % Mod;
	}
}
inline int calc(int n, int m) {
	return (ll)fac[n] * Ifac[m] % Mod * Ifac[n - m] % Mod;
}
int main() {
	n = Get();
	for (int i = 1, u, v; i < n; ++i)
		u = Get(), v = Get(), AddEdge(u, v);
	
	que[qn = 1] = 1, fa[1] = 0;
	for (int ql = 1, u; u = que[ql], ql <= qn; sze[u] = 1, ++ql)
		for (int k = first[u], v; v = end[k], k; k = next[k])
			if (v != fa[u]) fa[v] = u, que[++qn] = v;
	for (int qr = qn, u; u = que[qr], qr > 1; --qr) sze[fa[u]] += sze[u];
	for (int i = 2; i <= n; ++i) ++num[sze[i]], ++num[n - sze[i]];
	
	fac[0] = 1;
	for (int i = 1; i <= n; ++i) fac[i] = (ll)fac[i - 1] * i % Mod;
	Ifac[n] = pow(fac[n], Mod - 2);
	for (int i = n; i; --i) Ifac[i - 1] = (ll)Ifac[i] * i % Mod;

	for (int i = 1; i <= n; ++i) x[i] = (ll)num[i] * fac[i] % Mod;
	for (int i = 0; i <= n; ++i) y[n - i] = Ifac[i];
	
	Init(2 * n), NTT(x, 1 << len, 1), NTT(y, 1 << len, 1);
	for (int i = 0; i < (1 << len); ++i) x[i] = (ll)x[i] * y[i] % Mod;
	NTT(x, 1 << len, 0);
	
	for (int i = 1; i <= n; ++i) 
		printf("%d\n", (int)(((ll)n * calc(n, i) % Mod - (ll)Ifac[i] * x[n + i] % Mod + Mod) % Mod));
	return 0;
}

Submission Info

Submission Time
Task F - Many Easy Problems
User wy1627
Language C++14 (GCC 5.4.1)
Score 0
Code Size 2791 Byte
Status RE
Exec Time 137 ms
Memory 13568 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1900
Status
AC × 3
AC × 13
RE × 35
Set Name Test Cases
Sample example0, example1, example2
All doublestar0, doublestar1, doublestar2, doublestar3, doublestar4, example0, example1, example2, line0, line1, line2, line3, line4, maxrand0, maxrand1, maxrand10, maxrand11, maxrand12, maxrand13, maxrand14, maxrand15, maxrand16, maxrand17, maxrand18, maxrand19, maxrand2, maxrand3, maxrand4, maxrand5, maxrand6, maxrand7, maxrand8, maxrand9, rand0, rand1, rand2, rand3, rand4, rand5, rand6, rand7, rand8, rand9, star0, star1, star2, star3, star4
Case Name Status Exec Time Memory
doublestar0 RE 126 ms 13568 KB
doublestar1 RE 125 ms 13568 KB
doublestar2 RE 126 ms 13568 KB
doublestar3 RE 126 ms 13568 KB
doublestar4 RE 125 ms 13568 KB
example0 AC 3 ms 10496 KB
example1 AC 3 ms 10496 KB
example2 AC 3 ms 10496 KB
line0 RE 125 ms 13568 KB
line1 RE 128 ms 13568 KB
line2 RE 126 ms 13568 KB
line3 RE 126 ms 13568 KB
line4 RE 126 ms 13568 KB
maxrand0 RE 130 ms 13568 KB
maxrand1 RE 128 ms 13568 KB
maxrand10 RE 130 ms 13568 KB
maxrand11 RE 132 ms 13568 KB
maxrand12 RE 129 ms 13568 KB
maxrand13 RE 129 ms 13568 KB
maxrand14 RE 129 ms 13568 KB
maxrand15 RE 131 ms 13568 KB
maxrand16 RE 133 ms 13568 KB
maxrand17 RE 135 ms 13568 KB
maxrand18 RE 131 ms 13568 KB
maxrand19 RE 131 ms 13568 KB
maxrand2 RE 129 ms 13568 KB
maxrand3 RE 132 ms 13568 KB
maxrand4 RE 129 ms 13568 KB
maxrand5 RE 132 ms 13568 KB
maxrand6 RE 132 ms 13568 KB
maxrand7 RE 137 ms 13568 KB
maxrand8 RE 132 ms 13568 KB
maxrand9 RE 132 ms 13568 KB
rand0 AC 5 ms 10624 KB
rand1 AC 3 ms 10496 KB
rand2 AC 4 ms 10624 KB
rand3 AC 5 ms 10624 KB
rand4 AC 4 ms 10496 KB
rand5 AC 5 ms 10624 KB
rand6 AC 4 ms 10624 KB
rand7 AC 5 ms 10624 KB
rand8 AC 3 ms 10496 KB
rand9 AC 4 ms 10496 KB
star0 RE 124 ms 13568 KB
star1 RE 127 ms 13568 KB
star2 RE 126 ms 13568 KB
star3 RE 126 ms 13568 KB
star4 RE 125 ms 13568 KB