Submission #4044465

---

Source Code Expand

#include <cstdio>

inline void swap(int &x, int &y) { x ^= y ^= x ^= y; }

typedef long long LL;
const int MN = 200005;
const int MS = 524288;
const int Mod = 924844033;
const int G = 5, iG = 554906420;

inline int qPow(int b, int e) {
	int a = 1;
	for (; e; b = (LL)b * b % Mod, e >>= 1)
		if (e & 1) a = (LL)a * b % Mod;
	return a;
}

int N;
int h[MN], nxt[MN * 2], to[MN * 2], tot;
inline void ins(int x, int y) {
	nxt[++tot] = h[x], to[tot] = y, h[x] = tot;
}

int Inv[MN], Fac[MN], iFac[MN];
int R[MS], A[MS], B[MS];

void Init(int N) {
	Inv[1] = 1;
	for (int i = 2; i <= N; ++i) {
		Inv[i] = (LL)(Mod - Mod / i) * Inv[Mod % i] % Mod;
	}
	Fac[0] = iFac[0] = 1;
	for (int i = 1; i <= N; ++i) {
		Fac[i] = (LL)Fac[i - 1] * i % Mod;
		iFac[i] = (LL)iFac[i - 1] * Inv[i] % Mod;
	}
}

int DFS(int u, int f) {
	int sz = 1, sv;
	for (int i = h[u]; i; i = nxt[i]) if (to[i] != f) {
		sz += sv = DFS(to[i], u);
		--A[sv], --A[N - sv];
	} return sz;
}

void FNTT(int *A, int Sz, int Ty) {
	for (int i = 0; i < Sz; ++i)
		if (R[i] < i) swap(A[R[i]], A[i]);
	for (int j = 1; j < Sz; j <<= 1) {
		int j2 = j << 1, wn = qPow(~Ty ? G : iG, (Mod - 1) / j2);
		for (int i = 0; i < Sz; i += j2) {
			for (int k = 0, w = 1; k < j; ++k, w = (LL)w * wn % Mod) {
				int X = A[i + k], Y = (LL)w * A[i + j + k] % Mod;
				A[i + k] = X + Y; if (A[i + k] >= Mod) A[i + k] -= Mod;
				A[i + j + k] = X - Y; if (A[i + j + k] < 0) A[i + j + k] += Mod;
			}
		}
	}
	if (Ty == -1) {
		int InvSz = qPow(Sz, Mod - 2);
		for (int i = 0; i < Sz; ++i) A[i] = (LL)A[i] * InvSz % Mod;
	}
}

int main() {
	scanf("%d", &N);
	Init(N);
	for (int i = 1, x, y; i < N; ++i) {
		scanf("%d%d", &x, &y);
		ins(x, y), ins(y, x);
	}
	DFS(1, 0), A[N] = N;
	for (int i = 1; i <= N; ++i) A[i] = (A[i] * Fac[i] % Mod + Mod) % Mod;
	for (int i = 0; i < N; ++i) B[i] = iFac[N - 1 - i];
	int Sz = 1, Bt = 0;
	for (; Sz < N + N; Sz <<= 1, ++Bt) ;
	for (int i = 0; i < Sz; ++i) R[i] = R[i >> 1] >> 1 | (i & 1) << (Bt - 1);
	FNTT(A, Sz, 1), FNTT(B, Sz, 1);
	for (int i = 0; i < Sz; ++i) A[i] = (LL)A[i] * B[i] % Mod;
	FNTT(A, Sz, -1);
	for (int i = 1; i <= N; ++i) printf("%d\n", (LL)A[i + N - 1] * iFac[i] % Mod);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:82:78: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘LL {aka long long int}’ [-Wformat=]
  for (int i = 1; i <= N; ++i) printf("%d\n", (LL)A[i + N - 1] * iFac[i] % Mod);
                                                                              ^
./Main.cpp:67:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^
./Main.cpp:70:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &x, &y);
                        ^

Judge Result