結果
| 問題 |
No.2584 The University of Tree
|
| コンテスト | |
| ユーザー |
 tko919
|
| 提出日時 | 2023-12-12 01:44:09 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 234 ms / 3,000 ms |
| コード長 | 10,935 bytes |
| コンパイル時間 | 3,191 ms |
| コンパイル使用メモリ | 210,584 KB |
| 最終ジャッジ日時 | 2025-02-18 10:27:28 |
|
ジャッジサーバーID （参考情報） |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 53 |
ソースコード
#line 1 "library/Template/template.hpp"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(v) (v).begin(),(v).end()
#define UNIQUE(v) sort(ALL(v)),(v).erase(unique(ALL(v)),(v).end())
#define SZ(v) (int)v.size()
#define MIN(v) *min_element(ALL(v))
#define MAX(v) *max_element(ALL(v))
#define LB(v,x) int(lower_bound(ALL(v),(x))-(v).begin())
#define UB(v,x) int(upper_bound(ALL(v),(x))-(v).begin())
using ll=long long int;
using ull=unsigned long long;
const int inf = 0x3fffffff;
const ll INF = 0x1fffffffffffffff;
template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<typename T,typename U>T ceil(T x,U y){assert(y!=0); if(y<0)x=-x,y=-y; return (x>0?(x+y-1)/y:x/y);}
template<typename T,typename U>T floor(T x,U y){assert(y!=0); if(y<0)x=-x,y=-y; return (x>0?x/y:(x-y+1)/y);}
template<typename T>int popcnt(T x){return __builtin_popcountll(x);}
template<typename T>int topbit(T x){return (x==0?-1:63-__builtin_clzll(x));}
template<typename T>int lowbit(T x){return (x==0?-1:__builtin_ctzll(x));}
#line 2 "library/Utility/fastio.hpp"
#include <unistd.h>
class FastIO{
static constexpr int L=1<<16;
char rdbuf[L];
int rdLeft=0,rdRight=0;
inline void reload(){
int len=rdRight-rdLeft;
memmove(rdbuf,rdbuf+rdLeft,len);
rdLeft=0,rdRight=len;
rdRight+=fread(rdbuf+len,1,L-len,stdin);
}
inline bool skip(){
for(;;){
while(rdLeft!=rdRight and rdbuf[rdLeft]<=' ')rdLeft++;
if(rdLeft==rdRight){
reload();
if(rdLeft==rdRight)return false;
}
else break;
}
return true;
}
template<typename T,enable_if_t<is_integral<T>::value,int> =0>inline bool _read(T& x){
if(!skip())return false;
if(rdLeft+20>=rdRight)reload();
bool neg=false;
if(rdbuf[rdLeft]=='-'){
neg=true;
rdLeft++;
}
x=0;
while(rdbuf[rdLeft]>='0' and rdLeft<rdRight){
x=x*10+(neg?-(rdbuf[rdLeft++]^48):(rdbuf[rdLeft++]^48));
}
return true;
}
inline bool _read(__int128_t& x){
if(!skip())return false;
if(rdLeft+40>=rdRight)reload();
bool neg=false;
if(rdbuf[rdLeft]=='-'){
neg=true;
rdLeft++;
}
x=0;
while(rdbuf[rdLeft]>='0' and rdLeft<rdRight){
x=x*10+(neg?-(rdbuf[rdLeft++]^48):(rdbuf[rdLeft++]^48));
}
return true;
}
inline bool _read(__uint128_t& x){
if(!skip())return false;
if(rdLeft+40>=rdRight)reload();
x=0;
while(rdbuf[rdLeft]>='0' and rdLeft<rdRight){
x=x*10+(rdbuf[rdLeft++]^48);
}
return true;
}
template<typename T,enable_if_t<is_floating_point<T>::value,int> =0>inline bool _read(T& x){
if(!skip())return false;
if(rdLeft+20>=rdRight)reload();
bool neg=false;
if(rdbuf[rdLeft]=='-'){
neg=true;
rdLeft++;
}
x=0;
while(rdbuf[rdLeft]>='0' and rdbuf[rdLeft]<='9' and rdLeft<rdRight){
x=x*10+(rdbuf[rdLeft++]^48);
}
if(rdbuf[rdLeft]!='.')return true;
rdLeft++;
T base=.1;
while(rdbuf[rdLeft]>='0' and rdbuf[rdLeft]<='9' and rdLeft<rdRight){
x+=base*(rdbuf[rdLeft++]^48);
base*=.1;
}
if(neg)x=-x;
return true;
}
inline bool _read(char& x){
if(!skip())return false;
if(rdLeft+1>=rdRight)reload();
x=rdbuf[rdLeft++];
return true;
}
inline bool _read(string& x){
if(!skip())return false;
for(;;){
int pos=rdLeft;
while(pos<rdRight and rdbuf[pos]>' ')pos++;
x.append(rdbuf+rdLeft,pos-rdLeft);
if(rdLeft==pos)break;
rdLeft=pos;
if(rdLeft==rdRight)reload();
else break;
}
return true;
}
template<typename T>inline bool _read(vector<T>& v){
for(auto& x:v){
if(!_read(x))return false;
}
return true;
}
char wtbuf[L],tmp[50];
int wtRight=0;
inline void flush(){
fwrite(wtbuf,1,wtRight,stdout);
wtRight=0;
}
inline void _write(const char& x){
if(wtRight>L-32)flush();
wtbuf[wtRight++]=x;
}
inline void _write(const string& x){
for(auto& c:x)_write(c);
}
template<typename T,enable_if_t<is_integral<T>::value,int> =0>inline void _write(T x){
if(wtRight>L-32)flush();
if(x==0){
_write('0');
return;
}
else if(x<0){
_write('-');
if (__builtin_expect(x == std::numeric_limits<T>::min(), 0)) {
switch (sizeof(x)) {
case 2: _write("32768"); return;
case 4: _write("2147483648"); return;
case 8: _write("9223372036854775808"); return;
}
}
x=-x;
}
int pos=0;
while(x!=0){
tmp[pos++]=char((x%10)|48);
x/=10;
}
rep(i,0,pos)wtbuf[wtRight+i]=tmp[pos-1-i];
wtRight+=pos;
}
inline void _write(__int128_t x){
if(wtRight>L-40)flush();
if(x==0){
_write('0');
return;
}
else if(x<0){
_write('-');
x=-x;
}
int pos=0;
while(x!=0){
tmp[pos++]=char((x%10)|48);
x/=10;
}
rep(i,0,pos)wtbuf[wtRight+i]=tmp[pos-1-i];
wtRight+=pos;
}
inline void _write(__uint128_t x){
if(wtRight>L-40)flush();
if(x==0){
_write('0');
return;
}
int pos=0;
while(x!=0){
tmp[pos++]=char((x%10)|48);
x/=10;
}
rep(i,0,pos)wtbuf[wtRight+i]=tmp[pos-1-i];
wtRight+=pos;
}
template<typename T>inline void _write(const vector<T>& v){
rep(i,0,v.size()){
if(i)_write(' ');
_write(v[i]);
}
}
public:
FastIO(){}
~FastIO(){flush();}
inline void read(){}
template <typename Head, typename... Tail>inline void read(Head& head,Tail&... tail){
assert(_read(head));
read(tail...);
}
template<bool ln=true,bool space=false>inline void write(){if(ln)_write('\n');}
template <bool ln=true,bool space=false,typename Head, typename... Tail>inline void write(const Head& head,const Tail&... tail){
if(space)_write(' ');
_write(head);
write<ln,true>(tail...);
}
};
/**
* @brief Fast IO
*/
#line 3 "sol.cpp"
#line 2 "library/Math/modint.hpp"
template<int mod=1000000007>struct fp {
int v;
static constexpr int get_mod(){return mod;}
int inv() const{
int tmp,a=v,b=mod,x=1,y=0;
while(b)tmp=a/b,a-=tmp*b,swap(a,b),x-=tmp*y,swap(x,y);
if(x<0){x+=mod;} return x;
}
fp(ll x=0){init(x%mod+mod);}
fp& init(ll x){v=(x<mod?x:x-mod); return *this;}
fp operator-()const{return fp()-*this;}
fp pow(ll t){assert(t>=0); fp res=1,b=*this; while(t){if(t&1)res*=b;b*=b;t>>=1;} return res;}
fp& operator+=(const fp& x){return init(v+x.v);}
fp& operator-=(const fp& x){return init(v+mod-x.v);}
fp& operator*=(const fp& x){v=ll(v)*x.v%mod; return *this;}
fp& operator/=(const fp& x){v=ll(v)*x.inv()%mod; return *this;}
fp operator+(const fp& x)const{return fp(*this)+=x;}
fp operator-(const fp& x)const{return fp(*this)-=x;}
fp operator*(const fp& x)const{return fp(*this)*=x;}
fp operator/(const fp& x)const{return fp(*this)/=x;}
bool operator==(const fp& x)const{return v==x.v;}
bool operator!=(const fp& x)const{return v!=x.v;}
friend istream& operator>>(istream& is,fp& x){return is>>x.v;}
friend ostream& operator<<(ostream& os,const fp& x){return os<<x.v;}
};
template<typename T>T Inv(ll n){
static const int md=T::get_mod();
static vector<T> buf({0,1});
assert(n>0);
n%=md;
while(SZ(buf)<=n){
int k=SZ(buf),q=(md+k-1)/k;
buf.push_back(buf[k*q-md]*q);
}
return buf[n];
}
template<typename T>T Fact(ll n,bool inv=0){
static const int md=T::get_mod();
static vector<T> buf({1,1}),ibuf({1,1});
assert(n>=0 and n<md);
while(SZ(buf)<=n){
buf.push_back(buf.back()*SZ(buf));
ibuf.push_back(ibuf.back()*Inv<T>(SZ(ibuf)));
}
return inv?ibuf[n]:buf[n];
}
template<typename T>T nPr(int n,int r,bool inv=0){if(n<0||n<r||r<0)return 0; return Fact<T>(n,inv)*Fact<T>(n-r,inv^1);}
template<typename T>T nCr(int n,int r,bool inv=0){if(n<0||n<r||r<0)return 0; return Fact<T>(n,inv)*Fact<T>(r,inv^1)*Fact<T>(n-r,inv^1);}
template<typename T>T nHr(int n,int r,bool inv=0){return nCr<T>(n+r-1,r,inv);}
/**
* @brief Modint
*/
#line 5 "sol.cpp"
using Fp=fp<998244353>;
FastIO io;
int main(){
int n;
io.read(n);
vector id(n,vector<int>());
rep(_,0,n){
int x;
io.read(x);
id[_].resize(x);
io.read(id[_]);
for(auto& y:id[_])y--;
}
vector<int> es(n-1);
rep(v,0,n)for(auto& i:id[v])es[i]^=v;
using P=pair<int,int>;
vector g(n,vector<P>());
rep(v,0,n){
g[v].push_back({-1,-1});
for(auto& i:id[v])g[v].push_back({i,es[i]^v});
}
vector<Fp> pre(n-1);
auto dfs1=[&](auto& dfs1,int v,int p,int cur)->void{
int m=SZ(g[v]);
int sta=-1;
rep(i,0,g[v].size())if(g[v][i].first==cur)sta=i;
assert(sta!=-1);
Fp base=1;
rep(i,1,m){
base*=v+1;
auto [id,to]=g[v][(sta+i)%m];
if(cur!=-1)if(id==-1)pre[cur]+=base;
if(id==-1 or to==p)continue;
dfs1(dfs1,to,v,id);
if(cur!=-1)pre[cur]+=base*pre[id];
}
};
dfs1(dfs1,0,-1,-1);
vector<Fp> ret(n);
auto dfs2=[&](auto& dfs2,int v,int p,int cur,Fp rem)->void{
int m=SZ(g[v]);
const Fp invv=Fp(v+1).inv();
Fp sum=0,base=1;
rep(i,1,m){
base*=v+1;
auto [id,to]=g[v][i];
if(id==cur)sum+=base*rem;
else sum+=base*pre[id];
}
ret[v]=sum;
Fp add=v+1,ref=1;
for(int i=m-1;i;i--){
ref*=v+1;
auto [id,to]=g[v][i];
if(id==cur)sum-=rem*base;
else sum-=pre[id]*base;
base*=invv;
if(to!=p and to!=-1){
Fp nxt=sum*ref+add;
dfs2(dfs2,to,v,id,nxt);
}
if(id==cur)add+=rem;
else add+=pre[id];
add*=v+1;
}
};
dfs2(dfs2,0,-1,-1,1);
rep(i,0,n)io.write(ret[i].v);
return 0;
}