結果
| 問題 |
No.1068 #いろいろな色 / Red and Blue and more various colors (Hard)
|
| コンテスト | |
| ユーザー |
sugarrr
|
| 提出日時 | 2020-05-30 10:44:45 |
| 言語 | C++17(clang) (17.0.6 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,243 bytes |
| コンパイル時間 | 2,023 ms |
| コンパイル使用メモリ | 164,112 KB |
| 実行使用メモリ | 27,712 KB |
| 最終ジャッジ日時 | 2024-11-30 18:16:44 |
| 合計ジャッジ時間 | 10,143 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 13 WA * 16 |
ソースコード
//#include <bits/stdc++.h>
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
/*
#include "boost/multiprecision/cpp_int.hpp"
#include "boost/multiprecision/cpp_dec_float.hpp"
namespace mp = boost::multiprecision;
typedef mp::cpp_int LL;
typedef mp::number<mp::cpp_dec_float<1024>> DD;// 仮数部が1024ビットの浮動小数点数型(TLEしたら小さくする)
*/
typedef long double dd;
//#define i_7 (ll)(1E9+7)
#define i_7 998244353
#define i_5 i_7-2
ll mod(ll a){
ll c=a%i_7;
if(c>=0)return c;
return c+i_7;
}
typedef pair<ll,ll> l_l;
typedef pair<dd,dd> d_d;
ll inf=(ll)1E16;
#define rep(i,l,r) for(ll i=l;i<=r;i++)
#define pb push_back
ll max(ll a,ll b){if(a<b)return b;else return a;}
ll min(ll a,ll b){if(a>b)return b;else return a;}
void Max(ll &pos,ll val){pos=max(pos,val);}//Max(dp[n],dp[n-1]);
void Min(ll &pos,ll val){pos=min(pos,val);}
void Add(ll &pos,ll val){pos=mod(pos+val);}
dd EPS=1E-9;
#define fastio ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define fi first
#define se second
#define endl "\n"
#define SORT(v) sort(v.begin(),v.end())
#define ERASE(v) v.erase(unique(v.begin(),v.end()),v.end())
#define POSL(v,x) (lower_bound(v.begin(),v.end(),x)-v.begin())
#define POSU(v,x) (upper_bound(v.begin(),v.end(),x)-v.begin())
template<class T>
inline bool chmax(T &a, T b) {
if(a < b) {
a = b;
return true;
}
return false;
}
template<class T>
inline bool chmin(T &a, T b) {
if(a > b) {
a = b;
return true;
}
return false;
}
void mod_print(ll k){
ll P=1000;
rep(y,1,P){
ll x=mod(y*k);
if(x+P>=i_7){
x-=i_7;
}
if(abs(x)<=P){
cout<<x<<"/"<<y<<endl;
return;
}
}
cout<<"nun"<<endl;
}
//////////////////////////
//from chocorusk https://yukicoder.me/submissions/488554
const ll MOD=i_7;
template< ll mod >
struct NumberTheoreticTransform {
vector< ll > rev, rts;
ll base, max_base, root;
NumberTheoreticTransform() : base(1), rev{0, 1}, rts{0, 1} {
assert(mod >= 3 && mod % 2 == 1);
auto tmp = mod - 1;
max_base = 0;
while(tmp % 2 == 0) tmp >>= 1, max_base++;
root = 2;
while(mod_pow(root, (mod - 1) >> 1) == 1) ++root;
assert(mod_pow(root, mod - 1) == 1);
root = mod_pow(root, (mod - 1) >> max_base);
}
inline ll mod_pow(ll x, ll n) {
ll ret = 1;
while(n > 0) {
if(n & 1) ret = mul(ret, x);
x = mul(x, x);
n >>= 1;
}
return ret;
}
inline ll inverse(ll x) {
return mod_pow(x, mod - 2);
}
inline ll add(ll x, ll y) {
x += y;
if(x >= mod) x -= mod;
return x;
}
inline ll mul(ll a, ll b) {
return 1ull * a * b % mod;
}
void ensure_base(ll nbase) {
if(nbase <= base) return;
rev.resize(1 << nbase);
rts.resize(1 << nbase);
for(ll i = 0; i < (1 << nbase); i++) {
rev[i] = (rev[i >> 1] >> 1) + ((i & 1) << (nbase - 1));
}
assert(nbase <= max_base);
while(base < nbase) {
ll z = mod_pow(root, 1 << (max_base - 1 - base));
for(ll i = 1 << (base - 1); i < (1 << base); i++) {
rts[i << 1] = rts[i];
rts[(i << 1) + 1] = mul(rts[i], z);
}
++base;
}
}
void ntt(vector< ll > &a) {
const ll n = (ll) a.size();
assert((n & (n - 1)) == 0);
ll zeros = __builtin_ctzll(n);
ensure_base(zeros);
ll shift = base - zeros;
for(ll i = 0; i < n; i++) {
if(i < (rev[i] >> shift)) {
swap(a[i], a[rev[i] >> shift]);
}
}
for(ll k = 1; k < n; k <<= 1) {
for(ll i = 0; i < n; i += 2 * k) {
for(ll j = 0; j < k; j++) {
ll z = mul(a[i + j + k], rts[j + k]);
a[i + j + k] = add(a[i + j], mod - z);
a[i + j] = add(a[i + j], z);
}
}
}
}
vector< ll > multiply(vector< ll > a, vector< ll > b) {
ll need = a.size() + b.size() - 1;
ll nbase = 1;
while((1 << nbase) < need) nbase++;
ensure_base(nbase);
ll sz = 1 << nbase;
a.resize(sz, 0);
b.resize(sz, 0);
ntt(a);
ntt(b);
ll inv_sz = inverse(sz);
for(ll i = 0; i < sz; i++) {
a[i] = mul(a[i], mul(b[i], inv_sz));
}
reverse(a.begin() + 1, a.end());
ntt(a);
a.resize(need);
return a;
}
};
NumberTheoreticTransform<MOD> ntt;
////////////////////////////////////////////////////////////////////////////////
//vector<ll>a(2),b(3);
//rep(i,0,1)cin>>a[i];
//rep(i,0,2)cin>>b[i];
//auto c=ntt.multiply(a,b);
//for(auto x:c)cout<<x<<" ";cout<<endl;
#define N 200005
vector<ll> a[N];
vector<ll>solve(ll l,ll r){
if(l+1==r)return a[l];
ll m=(l+r)/2;
auto VL=solve(l,m);
auto VR=solve(m,r);
return ntt.multiply(VL,VR);
}
ll SOLVE(){
ll n,q;cin>>n>>q;
rep(i,0,n-1){
ll k;cin>>k;a[i].pb(k-1);a[i].pb(1);
}
auto ans=solve(0,n);
//for(auto x:ans)cout<<x<<" ";
while(q--){
ll t;cin>>t;
cout<<mod(ans[t])<<endl;
}
return 0;
}
int main(){fastio
clock_t start = clock();
SOLVE();
clock_t end = clock();
const double time = static_cast<double>(end - start) / CLOCKS_PER_SEC * 1000.0;
cerr<<endl<<time<<"ms"<<endl;
return 0;
}
sugarrr