結果
| 問題 |
No.1307 Rotate and Accumulate
|
| コンテスト | |
| ユーザー |
carrot46
|
| 提出日時 | 2020-12-04 00:38:42 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 192 ms / 5,000 ms |
| コード長 | 8,518 bytes |
| コンパイル時間 | 2,089 ms |
| コンパイル使用メモリ | 176,836 KB |
| 実行使用メモリ | 15,996 KB |
| 最終ジャッジ日時 | 2024-09-14 10:16:17 |
| 合計ジャッジ時間 | 5,100 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 19 |
ソースコード
#include <bits/stdc++.h>
//#include <chrono>
//#pragma GCC optimize("O2")
using namespace std;
#define reps(i,s,n) for(int i = s; i < n; i++)
#define rep(i,n) reps(i,0,n)
#define Rreps(i,n,e) for(int i = n - 1; i >= e; --i)
#define Rrep(i,n) Rreps(i,n,0)
#define ALL(a) a.begin(), a.end()
using ll = long long;
using vec = vector<ll>;
using mat = vector<vec>;
ll N,M,H,W,Q,K,A,B;
string S;
using P = pair<ll, ll>;
const ll INF = (1LL<<60);
template<class T> bool chmin(T &a, const T &b){
if(a > b) {a = b; return true;}
else return false;
}
template<class T> bool chmax(T &a, const T &b){
if(a < b) {a = b; return true;}
else return false;
}
template<class T> void print_vector(std::vector<T> v,bool endline = true){
if(!v.empty()){
for(std::size_t i{}; i<v.size()-1; ++i) std::cout<<v[i]<<" ";
std::cout<<v.back();
}
if(endline) std::cout<<std::endl;
}
template <unsigned long long mod > class modint{
public:
ll x;
constexpr modint(){x = 0;}
constexpr modint(ll _x) : x((_x < 0 ? ((_x += (LLONG_MAX / mod) * mod) < 0 ? _x + (LLONG_MAX / mod) * mod : _x) : _x)%mod){}
constexpr modint set_raw(ll _x){
//_x in [0, mod)
x = _x;
return *this;
}
constexpr modint operator-(){
return x == 0 ? 0 : mod - x;
}
constexpr modint& operator+=(const modint& a){
if((x += a.x) >= mod) x -= mod;
return *this;
}
constexpr modint operator+(const modint& a) const{
return modint(*this) += a;
}
constexpr modint& operator-=(const modint& a){
if((x -= a.x) < 0) x += mod;
return *this;
}
constexpr modint operator-(const modint& a) const{
return modint(*this) -= a;
}
constexpr modint& operator*=(const modint& a){
(x *= a.x)%=mod;
return *this;
}
constexpr modint operator*(const modint& a) const{
return modint(*this) *= a;
}
constexpr modint pow(unsigned long long pw) const{
modint res(1), comp(*this);
while(pw){
if(pw&1) res *= comp;
comp *= comp;
pw >>= 1;
}
return res;
}
//以下、modが素数のときのみ
constexpr modint inv() const{
if(x == 2) return (mod + 1) >> 1;
return modint(*this).pow(mod - 2);
}
constexpr modint& operator/=(const modint &a){
(x *= a.inv().x)%=mod;
return *this;
}
constexpr modint operator/(const modint &a) const{
return modint(*this) /= a;
}
};
#define mod1 998244353
using mint = modint<mod1>;
ostream& operator<<(ostream& os, const mint& a){
os << a.x;
return os;
}
using vm = vector<mint>;
class NTT{
static int root;
static vector<int> id;
static void make_bit_reverse(int n){
if(n == (int)id.size()) return;
if(n == (int)id.size() * 2){
int n2 = (int)id.size();
id.resize(n);
rep(i, n2) {
id[i] <<= 1;
id[i | n2] = id[i] | 1;
}
}else {
id.resize(n);
iota(ALL(id), 0);
for (int i = 1; (1 << i) <= n; ++i) {
int l = 1 << (i - 1), r = 1 << i;
int plus = n >> i;
for (int j = l; j < r; ++j) {
int temp = id[j - l] + plus;
if (j < temp) swap(id[j], id[temp]);
}
}
}
}
static void dft(int n, vm &f, bool inv){
make_bit_reverse(n);
rep(i, n) if (i > id[i]) swap(f[i], f[id[i]]);
int l{1};
for (int len = 1; len < n; ++l, len <<= 1) {
mint root_diff = mint(root).pow(inv ? (mod1 - 1) - ((mod1 - 1)>>l) : ((mod1 - 1)>>l));
int len2 = len << 1;
for (int i = 0; i < n; i += len2) {
mint z = 1;
reps(j, i, i + len) {
mint z_f = z * f[j + len];
f[j + len] = f[j] - z_f;
f[j] += z_f;
z *= root_diff;
}
}
}
if(inv) {
mint n_inv = mint(n).inv();
rep(i, n) f[i] *= n_inv;
}
}
public:
static void dft_2D(int n, int m, vector<vm> &a, bool inv){
//簡単に、書き換える形で
//aがn×mサイズであることや、n,mが2冪であることは仮定
rep(i, n) dft(m, a[i], inv);
rep(j, m){
vm temp(n);
rep(i, n) temp[i] = a[i][j];
dft(n, temp, inv);
rep(i, n) a[i][j] = temp[i];
}
}
static vm convolution(vm g, vm h){
int sz = g.size() + h.size() - 1, n = 1;
while(sz > n) n *= 2;
g.resize(n); h.resize(n);
dft(n, g, false);
dft(n, h, false);
rep(i, n) g[i] *= h[i];
dft(n, g, true);
g.resize(sz);
return g;
}
static vm simple_pow(vm &a, ll pw){
int sz = a.size(), n = 1;
while(sz > n) n <<= 1;
n <<= 1;
vm res(n, 0), cpy(n, 0);
res[0] = 1;
copy(ALL(a), cpy.begin());
while(pw){
dft(n, cpy, false);
if(pw&1){
dft(n, res, false);
rep(i, n) res[i] *= cpy[i];
dft(n, res, true);
reps(i, n / 2, n) res[i] = 0;
}
rep(i, n) cpy[i] *= cpy[i];
dft(n, cpy, true);
reps(i, n / 2, n) cpy[i] = 0;
pw >>= 1;
}
res.resize(sz);
return res;
}
static vm inversion(vm f){
assert(f[0].x != 0);
int n = 1, sz = 1, first_sz = f.size();
while(first_sz > n) n <<= 1;
f.resize(n);
vm g(n), cpy_f(n<<1), cpy_g(n<<1);
g[0] = f[0].inv();
while(sz < n){
sz <<= 1;
copy(f.begin(), f.begin() + sz, cpy_f.begin());
copy(g.begin(), g.begin() + sz, cpy_g.begin());
dft(sz<<1, cpy_f, false);
dft(sz<<1, cpy_g, false);
rep(i, sz<<1) cpy_f[i] *= cpy_g[i] * cpy_g[i];
dft(sz<<1, cpy_f, true);
rep(i, sz) (g[i] += g[i])-= cpy_f[i];
}
g.resize(first_sz);
return g;
}
static vm differential(vm f){
int n = f.size();
rep(i, n) f[i] = (i == n - 1 ? 0 : f[i + 1] * (i + 1));
return f;
}
static vm integral(vm f){
int n = f.size();
Rrep(i, n) f[i] = (i ? f[i - 1] : 0);
mint fct(1);
reps(i, 1, n){f[i] *= fct; fct*=i;}
fct = fct.inv();
Rreps(i, n, 1){f[i] *= fct; fct*=i;}
return f;
}
static vm log(vm f){
assert(f[0].x == 1);
vm res = convolution(differential(f), inversion(f));
res.resize((int)f.size());
return integral(res);
}
static vm exp(vm f){
assert(f[0].x == 0);
int n = 1, sz = 1, first_sz = f.size();
while(first_sz > n) n <<= 1;
f.resize(n);
vm g(1, 1), log_g;
while(sz < n){
sz <<= 1;
g.resize(sz);
reps(i, sz>>1, sz) g[i] = 0;
log_g = log(g);
rep(i, sz) log_g[i] = f[i] - log_g[i];
log_g[0] += 1;
g = convolution(g, log_g);
}
g.resize(first_sz);
return g;
}
static vm pow(vm f, ll pw_int){
int n = f.size(), non_zero_id{0};
mint pw(pw_int);
vm res(n, 0);
if(pw_int == 0){
res[0] = 1;
return res;
}
while(non_zero_id < n && f[non_zero_id].x == 0) ++non_zero_id;
if((n + pw_int - 1) / pw_int <= non_zero_id) return res;
mint d = f[non_zero_id], d_inv = d.inv();
rep(i, n - non_zero_id) f[i] = f[i + non_zero_id] * d.inv();
non_zero_id *= pw_int;
d = d.pow(pw_int%(mod1 - 1));
f.resize(n - non_zero_id);
res = log(f);
for(auto &e : res) e *= pw;
res = exp(res);
res.resize(n);
Rrep(i, n) res[i] = (i >= non_zero_id ? res[i - non_zero_id] * d : 0);
return res;
}
};
int NTT::root = 3;
vector<int> NTT::id;
int main(){
//cin.tie(nullptr);
//ios::sync_with_stdio(false);
cin>>N>>Q;
vm a(N*2), q(N, 0);
rep(i, N) {
cin>>a[i].x;
a[i+N] = a[i];
}
rep(i, Q){cin>>A; q[A ? (N - A) : A] += 1;}
vm res = NTT::convolution(a, q);
reps(i, N, N * 2) cout<<res[i]<<" \n"[i == N * 2 - 1];
}
carrot46