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 |
betit0919
|
| 提出日時 | 2020-05-29 23:15:10 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 4,835 bytes |
| コンパイル時間 | 2,156 ms |
| コンパイル使用メモリ | 205,320 KB |
| 最終ジャッジ日時 | 2025-01-10 18:17:52 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | RE * 3 |
| other | WA * 10 RE * 1 TLE * 18 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:194:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
194 | scanf("%d %d", &N, &Q);
| ~~~~~^~~~~~~~~~~~~~~~~
ソースコード
#include<bits/stdc++.h>
using namespace std;
using int64 = long long;
const int mod = 998244353;
const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;
struct IoSetup {
IoSetup() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
cerr << fixed << setprecision(10);
}
} iosetup;
template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 >& p) {
os << p.first << " " << p.second;
return os;
}
template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
is >> p.first >> p.second;
return is;
}
template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
for(int i = 0; i < (int) v.size(); i++) {
os << v[i] << (i + 1 != v.size() ? " " : "");
}
return os;
}
template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
for(T &in : v) is >> in;
return is;
}
template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }
template< typename T = int64 >
vector< T > make_v(size_t a) {
return vector< T >(a);
}
template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}
template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
t = v;
}
template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
for(auto &e : t) fill_v(e, v);
}
template< typename F >
struct FixPoint : F {
FixPoint(F &&f) : F(forward< F >(f)) {}
template< typename... Args >
decltype(auto) operator()(Args &&... args) const {
return F::operator()(*this, forward< Args >(args)...);
}
};
template< typename F >
inline decltype(auto) MFP(F &&f) {
return FixPoint< F >{forward< F >(f)};
}
template< int mod >
struct NumberTheoreticTransform {
vector< int > rev, rts;
int 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 int mod_pow(int x, int n) {
int ret = 1;
while(n > 0) {
if(n & 1) ret = mul(ret, x);
x = mul(x, x);
n >>= 1;
}
return ret;
}
inline int inverse(int x) {
return mod_pow(x, mod - 2);
}
inline unsigned add(unsigned x, unsigned y) {
x += y;
if(x >= mod) x -= mod;
return x;
}
inline unsigned mul(unsigned a, unsigned b) {
return 1ull * a * b % (unsigned long long) mod;
}
void ensure_base(int nbase) {
if(nbase <= base) return;
rev.resize(1 << nbase);
rts.resize(1 << nbase);
for(int i = 0; i < (1 << nbase); i++) {
rev[i] = (rev[i >> 1] >> 1) + ((i & 1) << (nbase - 1));
}
assert(nbase <= max_base);
while(base < nbase) {
int z = mod_pow(root, 1 << (max_base - 1 - base));
for(int 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< int > &a) {
const int n = (int) a.size();
assert((n & (n - 1)) == 0);
int zeros = __builtin_ctz(n);
ensure_base(zeros);
int shift = base - zeros;
for(int i = 0; i < n; i++) {
if(i < (rev[i] >> shift)) {
swap(a[i], a[rev[i] >> shift]);
}
}
for(int k = 1; k < n; k <<= 1) {
for(int i = 0; i < n; i += 2 * k) {
for(int j = 0; j < k; j++) {
int 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< int > multiply(vector< int > a, vector< int > b) {
int need = a.size() + b.size() - 1;
int nbase = 1;
while((1 << nbase) < need) nbase++;
ensure_base(nbase);
int sz = 1 << nbase;
a.resize(sz, 0);
b.resize(sz, 0);
ntt(a);
ntt(b);
int inv_sz = inverse(sz);
for(int 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;
}
};
int main() {
int N,Q;
scanf("%d %d", &N, &Q);
vector< int > A(1), B(2);
A[0]=1;
for(int i = 0; i < N; i++){
long long b;
cin>>b;
B[0]=1;B[1]=b-1;
NumberTheoreticTransform< 1012924417 > ntt;
A = ntt.multiply(A, B);
}
for(int i=0;i<Q;i++){
long long b;
cin>>b;
cout<<A[N-b]<<endl;
}
}
betit0919