Submission #907632
Source Code Expand
#include <bits/stdc++.h>
#define SZ(X) ((int)(X).size())
#define ALL(X) (X).begin(), (X).end()
#define REP(I, N) for (int I = 0; I < (N); ++I)
#define REPP(I, A, B) for (int I = (A); I < (B); ++I)
#define RI(X) scanf("%d", &(X))
#define RII(X, Y) scanf("%d%d", &(X), &(Y))
#define RIII(X, Y, Z) scanf("%d%d%d", &(X), &(Y), &(Z))
#define DRI(X) int (X); scanf("%d", &X)
#define DRII(X, Y) int X, Y; scanf("%d%d", &X, &Y)
#define DRIII(X, Y, Z) int X, Y, Z; scanf("%d%d%d", &X, &Y, &Z)
#define RS(X) scanf("%s", (X))
#define CASET int ___T, case_n = 1; scanf("%d ", &___T); while (___T-- > 0)
#define MP make_pair
#define PB push_back
#define MS0(X) memset((X), 0, sizeof((X)))
#define MS1(X) memset((X), -1, sizeof((X)))
#define LEN(X) strlen(X)
#define PII pair<int,int>
#define VI vector<int>
#define VPII vector<pair<int,int> >
#define PLL pair<long long,long long>
#define VPLL vector<pair<long long,long long> >
#define F first
#define S second
typedef long long LL;
using namespace std;
const int MOD = 924844033;
const int R_R = 8000;
const int SIZE = 1e6+10;
inline int pow(long long n,int k,int m){
unsigned i;
int a;
for(a=i=1;i<=k;i*=2,n=(n*n)%m)
if(k&i)a=(a*n)%m;
return a;
}
inline int rev(int n,int k){
int i=0;
while(k--)(i<<=1)+=n&1,n/=2;
return i;
}
const long long p=MOD,r=10;
void ntt(bool f,int& n,int s[]){
int i,j,k;
long long x,w;
for(j=1,k=0;j<n ;j<<=1,k++);
for(;n<j;n++)s[n]=0;
for(i=0;i<n;i++)
if(i<rev(i,k))
swap(s[i],s[rev(i,k)]);
for(i=2;i<=n;i*=2){
w=pow(pow(r,(p-1)/n,p),f?p-1-n/i:n/i,p);
for(j=0;j<n;j+=i)
for(k=0,x=1;k<i/2;k++){
int &a=s[j+k],&b=s[j+k+i/2];
b=(b*x)%p;
a=(a*1ll+b)%p;
b=(a+p+p-b-b)%p;
x=x*w%p;
}
}
x=pow(n,p-2,p);
if(f)for(j=0;j<n;j++)
s[j]=(s[j]*x)%p;
}
void mul(int n,int a[],int b[]){
for(int i=0;i<n;i++)
a[i]=(1ll*a[i]*b[i])%p;
}
LL fac[SIZE],inv[SIZE];
LL mypow(LL x,LL y){
LL res=1;
while(y){
if(y&1)res=res*x%MOD;
y>>=1;
x=x*x%MOD;
}
return res;
}
LL C(int x,int y){
if(y<0||y>x)return 0;
return fac[x]*inv[y]%MOD*inv[x-y]%MOD;
}
void build(){
assert(MOD>=SIZE);
fac[0]=1;
REPP(i,1,SIZE)fac[i]=fac[i-1]*i%MOD;
inv[SIZE-1]=mypow(fac[SIZE-1],MOD-2);
for(int i=SIZE-2;i>=0;i--)inv[i]=inv[i+1]*(i+1)%MOD;
}
int s[1000000],t[1000000];
int num[SIZE],N;
VI e[SIZE];
bool u[SIZE];
int cnt[SIZE];
void dfs(int x){
u[x]=1;
num[x]=1;
REP(i,SZ(e[x])){
int y=e[x][i];
if(u[y])continue;
dfs(y);
num[x]+=num[y];
cnt[num[y]]++;
}
cnt[N-num[x]]++;
}
int an[SIZE];
void ADD(int &x,LL v){
x=(x+v)%MOD;
if(x<0)x+=MOD;
}
int main(){
build();
RI(N);
REPP(i,1,N){
DRII(x,y);
e[x].PB(y);e[y].PB(x);
}
dfs(1);
for(int i=1;i<=N;i+=R_R){
int two=1;
while(two<=min(i+R_R-1,N))two*=2;
memset(t,0,sizeof(int)*(two+1));
memset(s,0,sizeof(int)*(two+1));
int up=0;
for(int j=min(i+R_R-1,N);j>=i;j--){
up++;
for(int k=up;k>0;k--){
t[k]+=t[k-1];
if(t[k]>=MOD)t[k]-=MOD;
}
t[0]+=cnt[j];
while(up>0&&t[up]==0)up--;
}
REP(j,i+1)s[j]=C(i,j);
int n2=two;
up=two;
ntt(0,n2,s);
ntt(0,up,t);
mul(up,t,s);
ntt(1,up,t);
REP(i,n2)ADD(an[i],t[i]);
}
REPP(i,1,N+1){
an[i]=(N*C(N,i)%MOD-an[i])%MOD;
if(an[i]<0)an[i]+=MOD;
printf("%d\n",an[i]);
}
return 0;
}
Submission Info
Submission Time
2016-10-02 02:29:41+0900
Task
F - Many Easy Problems
User
dreamoon
Language
C++14 (GCC 5.4.1)
Score
1900
Code Size
3876 Byte
Status
AC
Exec Time
4409 ms
Memory
62976 KB
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:116:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
RI(N);
^
./Main.cpp:118:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
DRII(x,y);
^
Judge Result
Set Name
Sample
All
Score / Max Score
0 / 0
1900 / 1900
Status
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
AC
1406 ms
51960 KB
doublestar1
AC
1436 ms
51960 KB
doublestar2
AC
1441 ms
51960 KB
doublestar3
AC
1416 ms
51960 KB
doublestar4
AC
1413 ms
51960 KB
example0
AC
54 ms
39296 KB
example1
AC
54 ms
39296 KB
example2
AC
54 ms
39296 KB
line0
AC
4380 ms
62848 KB
line1
AC
4377 ms
62848 KB
line2
AC
4409 ms
62976 KB
line3
AC
4390 ms
62848 KB
line4
AC
4373 ms
62848 KB
maxrand0
AC
2362 ms
51968 KB
maxrand1
AC
2296 ms
51968 KB
maxrand10
AC
2426 ms
51968 KB
maxrand11
AC
2290 ms
51968 KB
maxrand12
AC
2289 ms
51968 KB
maxrand13
AC
2275 ms
51968 KB
maxrand14
AC
2495 ms
51968 KB
maxrand15
AC
2431 ms
51968 KB
maxrand16
AC
2399 ms
51968 KB
maxrand17
AC
2374 ms
51968 KB
maxrand18
AC
2253 ms
51968 KB
maxrand19
AC
2462 ms
52096 KB
maxrand2
AC
2441 ms
51968 KB
maxrand3
AC
2413 ms
51968 KB
maxrand4
AC
2496 ms
51968 KB
maxrand5
AC
2384 ms
51968 KB
maxrand6
AC
2364 ms
51968 KB
maxrand7
AC
2256 ms
51968 KB
maxrand8
AC
2446 ms
51968 KB
maxrand9
AC
2544 ms
51968 KB
rand0
AC
71 ms
39552 KB
rand1
AC
54 ms
39296 KB
rand2
AC
63 ms
39424 KB
rand3
AC
69 ms
39552 KB
rand4
AC
56 ms
39424 KB
rand5
AC
70 ms
39552 KB
rand6
AC
62 ms
39424 KB
rand7
AC
70 ms
39552 KB
rand8
AC
55 ms
39296 KB
rand9
AC
57 ms
39424 KB
star0
AC
1413 ms
52340 KB
star1
AC
1397 ms
52340 KB
star2
AC
1426 ms
52340 KB
star3
AC
1407 ms
52340 KB
star4
AC
1412 ms
52340 KB