結果
| 問題 |
No.1067 #いろいろな色 / Red and Blue and more various colors (Middle)
|
| コンテスト | |
| ユーザー |
Chanyuh
|
| 提出日時 | 2020-05-29 23:24:55 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,710 bytes |
| コンパイル時間 | 1,096 ms |
| コンパイル使用メモリ | 107,852 KB |
| 実行使用メモリ | 292,284 KB |
| 最終ジャッジ日時 | 2024-11-06 08:12:42 |
| 合計ジャッジ時間 | 6,199 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 10 TLE * 1 -- * 14 |
ソースコード
#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<tuple>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = 998244353;
const ll INF = (ll)1000000007 * 1000000007;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define Per(i,sta,n) for(int i=n-1;i>=sta;i--)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef long double ld;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ll, ll> LP;
int dx[4]={1,-1,0,0};
int dy[4]={0,0,1,-1};
template<int mod>
struct ModInt {
long long x;
ModInt() : x(0) {}
ModInt(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
explicit operator int() const {return x;}
ModInt &operator+=(const ModInt &p) {
if((x += p.x) >= mod) x -= mod;
return *this;
}
ModInt &operator-=(const ModInt &p) {
if((x += mod - p.x) >= mod) x -= mod;
return *this;
}
ModInt &operator*=(const ModInt &p) {
x = (int)(1LL * x * p.x % mod);
return *this;
}
ModInt &operator/=(const ModInt &p) {
*this *= p.inverse();
return *this;
}
ModInt operator-() const { return ModInt(-x); }
ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; }
ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; }
ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; }
ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; }
bool operator==(const ModInt &p) const { return x == p.x; }
bool operator!=(const ModInt &p) const { return x != p.x; }
ModInt inverse() const{
int a = x, b = mod, u = 1, v = 0, t;
while(b > 0) {
t = a / b;
a -= t * b;
swap(a, b);
u -= t * v;
swap(u, v);
}
return ModInt(u);
}
ModInt power(long long p) const{
int a = x;
if (p==0) return 1;
if (p==1) return ModInt(a);
if (p%2==1) return (ModInt(a)*ModInt(a)).power(p/2)*ModInt(a);
else return (ModInt(a)*ModInt(a)).power(p/2);
}
ModInt power(const ModInt p) const{
return ((ModInt)x).power(p.x);
}
friend ostream &operator<<(ostream &os, const ModInt<mod> &p) {
return os << p.x;
}
friend istream &operator>>(istream &is, ModInt<mod> &a) {
long long x;
is >> x;
a = ModInt<mod>(x);
return (is);
}
};
using modint = ModInt<mod>;
int n,q;
vector<int> a;
modint dp[6010][6010];
void solve(){
cin >> n >> q;
a.resize(n);
dp[n][0]=1;
rep(i,n){
cin >> a[i];
dp[n][0]*=a[i];
}
sort(a.begin(),a.end());
per(i,n){
dp[i][0]=dp[i+1][0]/a[i];
Rep(j,1,n+1){
dp[i][j]=(modint)(a[i]-1)*dp[i+1][j-1]+dp[i+1][j];
dp[i][j]/=a[i];
}
}
rep(_,q){
int l,r,p;cin >> l >> r >> p;
int ans=0;
Rep(i,l,r+1){
int k=lower_bound(a.begin(),a.end(),i)-a.begin();
//cout << i << " " << k << endl;
if(n-k>=p) ans^=(dp[k][n-k-p]).x;
}
cout << ans%mod << endl;
//cout << "" << endl;
}
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout << fixed << setprecision(50);
solve();
}
Chanyuh