結果
| 問題 | No.1304 あなたは基本が何か知っていますか?私は知っています. |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-12-03 10:35:28 |
| 言語 | C++17 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 217 ms / 2,000 ms |
| コード長 | 4,824 bytes |
| 記録 | |
| コンパイル時間 | 1,981 ms |
| コンパイル使用メモリ | 206,800 KB |
| 実行使用メモリ | 7,844 KB |
| 最終ジャッジ日時 | 2025-06-22 03:00:41 |
| 合計ジャッジ時間 | 18,799 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 44 WA * 9 RE * 21 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < n; i++)
#define rep2(i, x, n) for(int i = x; i <= n; i++)
#define rep3(i, x, n) for(int i = x; i >= n; i--)
#define each(e, v) for(auto &e: v)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sz(x) (int)x.size()
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
//const int MOD = 1000000007;
const int MOD = 998244353;
const int inf = (1<<30)-1;
const ll INF = (1LL<<60)-1;
template<typename T> bool chmax(T &x, const T &y) {return (x < y)? (x = y, true) : false;};
template<typename T> bool chmin(T &x, const T &y) {return (x > y)? (x = y, true) : false;};
struct io_setup{
io_setup(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout << fixed << setprecision(15);
}
} io_setup;
template<int mod>
struct Mod_Int{
int x;
Mod_Int() : x(0) {}
Mod_Int(ll y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
Mod_Int &operator += (const Mod_Int &p){
if((x += p.x) >= mod) x -= mod;
return *this;
}
Mod_Int &operator -= (const Mod_Int &p){
if((x += mod-p.x) >= mod) x -= mod;
return *this;
}
Mod_Int &operator *= (const Mod_Int &p){
x = (int)(1LL*x*p.x%mod);
return *this;
}
Mod_Int &operator /= (const Mod_Int &p){
*this *= p.inverse();
return *this;
}
Mod_Int &operator ++ () {return *this += Mod_Int(1);}
Mod_Int operator ++ (int){
Mod_Int tmp = *this;
++*this;
return tmp;
}
Mod_Int &operator -- () {return *this -= Mod_Int(1);}
Mod_Int operator -- (int){
Mod_Int tmp = *this;
--*this;
return tmp;
}
Mod_Int operator - () const {return Mod_Int(-x);}
Mod_Int operator + (const Mod_Int &p) const {return Mod_Int(*this) += p;}
Mod_Int operator - (const Mod_Int &p) const {return Mod_Int(*this) -= p;}
Mod_Int operator * (const Mod_Int &p) const {return Mod_Int(*this) *= p;}
Mod_Int operator / (const Mod_Int &p) const {return Mod_Int(*this) /= p;}
bool operator == (const Mod_Int &p) const {return x == p.x;}
bool operator != (const Mod_Int &p) const {return x != p.x;}
Mod_Int inverse() const {
assert(*this != Mod_Int(0));
return pow(mod-2);
}
Mod_Int pow(ll k) const{
Mod_Int now = *this, ret = 1;
while(k){
if(k&1) ret *= now;
now *= now, k >>= 1;
}
return ret;
}
friend ostream &operator << (ostream &os, const Mod_Int &p){
return os << p.x;
}
friend istream &operator >> (istream &is, Mod_Int &p){
ll a;
is >> a;
p = Mod_Int<mod>(a);
return is;
}
};
template<typename T>
void Fast_Zeta_Transform(vector<T> &f, bool upper){
int n = sz(f);
assert((n&(n-1)) == 0);
for(int i = 1; i < n; i <<= 1){
rep(j, n){
if(!(j&i)){
if(upper) f[j] += f[j|i];
else f[j|i] += f[j];
}
}
}
}
template<typename T>
void Fast_Mobius_Transform(vector<T> &f, bool upper){
int n = sz(f);
assert((n&(n-1)) == 0);
for(int i = 1; i < n; i <<= 1){
rep(j, n){
if(!(j&i)){
if(upper) f[j] -= f[j|i];
else f[j|i] -= f[j];
}
}
}
}
template<typename T>
void Fast_Hadamard_Transform(vector<T> &f, bool inverse = false){
int n = sz(f);
assert((n&(n-1)) == 0);
for(int i = 1; i < n; i <<= 1){
rep(j, n){
if(!(j&i)){
T x = f[j], y = f[j|i];
f[j] = x+y, f[j|i] = x-y;
}
}
}
if(inverse) each(e, f) e /= n;
}
using mint = Mod_Int<MOD>;
vector<vector<mint>> dp(1024, vector<mint>(1024, 0));
vector<int> A;
void dfs(int k, int pre, int now){
if(k == 0) {dp[pre][now]++; return;}
each(e, A){
if(e != pre) dfs(k-1, e, now^e);
}
}
int main(){
int N, K, L, R;
cin >> N >> K >> L >> R;
A.resize(K);
rep(i, K) cin >> A[i];
sort(all(A));
A.erase(unique(all(A)), end(A));
int n = N/2;
dfs(n, -1, 0);
vector<mint> s(1024, 0);
rep(i, 1024){
rep(j, 1024) s[j] += dp[i][j];
}
mint ans = 0;
rep(i, 1024){
rep(j, 1024){
if(L <= (i^j) && (i^j) <= R) ans += s[i]*s[j];
}
}
rep(i, 1024){
vector<mint> f = dp[i];
Fast_Hadamard_Transform(f);
each(e, f) e *= e;
Fast_Hadamard_Transform(f, true);
rep(j, 1024){
if(L <= j && j <= R) ans -= f[j];
}
}
cout << ans << '\n';
}