結果

問題 No.2176 LRM Question 1
ユーザー mikammikam
提出日時 2023-02-15 18:03:19
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 284 ms / 2,000 ms
コード長 4,303 bytes
コンパイル時間 4,566 ms
コンパイル使用メモリ 266,864 KB
実行使用メモリ 23,108 KB
最終ジャッジ日時 2023-09-25 02:26:40
合計ジャッジ時間 8,371 ms
ジャッジサーバーID
(参考情報)
judge12 / judge14
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
4,376 KB
testcase_01 AC 2 ms
4,376 KB
testcase_02 AC 284 ms
22,972 KB
testcase_03 AC 2 ms
4,376 KB
testcase_04 AC 133 ms
22,980 KB
testcase_05 AC 8 ms
4,380 KB
testcase_06 AC 4 ms
4,380 KB
testcase_07 AC 8 ms
4,380 KB
testcase_08 AC 133 ms
23,048 KB
testcase_09 AC 131 ms
22,844 KB
testcase_10 AC 240 ms
21,192 KB
testcase_11 AC 1 ms
4,376 KB
testcase_12 AC 2 ms
4,376 KB
testcase_13 AC 133 ms
23,108 KB
testcase_14 AC 284 ms
22,952 KB
testcase_15 AC 225 ms
20,712 KB
testcase_16 AC 184 ms
18,736 KB
testcase_17 AC 6 ms
4,380 KB
testcase_18 AC 121 ms
21,776 KB
testcase_19 AC 85 ms
18,352 KB
testcase_20 AC 28 ms
7,516 KB
testcase_21 AC 112 ms
11,968 KB
testcase_22 AC 10 ms
4,376 KB
testcase_23 AC 99 ms
11,408 KB
testcase_24 AC 57 ms
12,160 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <atcoder/all>
using namespace atcoder;
#include <bits/stdc++.h>
using namespace std;
// #include <boost/multiprecision/cpp_int.hpp>
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i,a,b) for (int i = (int)(a); i < (int)(b); i++)
#define all(v) v.begin(),v.end()
#define inc(x,l,r) ((l)<=(x)&&(x)<(r)) 
#define Unique(x) sort(all(x)), x.erase(unique(all(x)), x.end())
#define pcnt __builtin_popcountll
#define bit(n) (1ll<<(n))
typedef long long ll;
#define int ll
using ld = long double;
using vi = vector<int>;
using vs = vector<string>;
using P = pair<int,int>;
using vp = vector<P>;
// using Bint = boost::multiprecision::cpp_int;
template<typename T1,typename T2> bool chmax(T1 &a, const T2 b) {if (a < b) {a = b; return true;} else return false; }
template<typename T1,typename T2> bool chmin(T1 &a, const T2 b) {if (a > b) {a = b; return true;} else return false; }
template<typename T> using priority_queue_greater = priority_queue<T, vector<T>, greater<T>>;
template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){rep(i,v.size())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> ostream &operator<< (ostream &os, const pair<T1,T2> &p){os << p.first <<" "<<p.second;return os;}
ostream &operator<< (ostream &os, const modint1000000007 &m){os << m.val();return os;}
istream &operator>> (istream &is, modint1000000007 &m){ll in;is>>in;m=in;return is;}
ostream &operator<< (ostream &os, const modint998244353 &m){os << m.val();return os;}
istream &operator>> (istream &is, modint998244353 &m){ll in;is>>in;m=in;return is;}
template<class... T> void input(T&... a){(cin>> ... >> a);}
template<class T> void print(T& a){cout <<a<< '\n';}
template<class T,class... Ts> void print(const T&a, const Ts&... b){cout<< a;(cout<<...<<(cout<<' ',b));cout<<'\n';}
#define VI(v,n) vi v(n); input(v)
#define INT(...) int __VA_ARGS__; input(__VA_ARGS__)
#define STR(...) string __VA_ARGS__; input(__VA_ARGS__)
#define CHAR(...) char __VA_ARGS__; input(__VA_ARGS__)
int sign(int x){return x>0?1:x<0?-1:0;}
int ceil(int x,int y){assert(y!=0);if(sign(x)==sign(y))return (x+y-1)/y;return -((-x/y));}
int floor(int x,int y){assert(y!=0);if(sign(x)==sign(y))return x/y;if(y<0)x*=-1,y*=-1;return x/y-(x%y<0);}
int abs(int x,int y){return abs(x-y);}
bool ins(string s,string t){return s.find(t)!=string::npos;}
P operator+ (const P &p, const P &q){ return P{p.first+q.first,p.second+q.second};}
P operator- (const P &p, const P &q){ return P{p.first-q.first,p.second-q.second};}
void yesno(bool ok,string y="Yes",string n="No"){ cout<<(ok?y:n)<<endl;}
void YESNO(bool ok,string y="YES",string n="NO"){ cout<<(ok?y:n)<<endl;}
int di[]={-1,0,1,0,-1,-1,1,1};
int dj[]={0,1,0,-1,-1,1,-1,1};
const ll INF = 8e18;
//using mint = modint1000000007;
//using mint = modint998244353;
//mint stom(const string &s,int b=10){mint res = 0;for(auto c:s)res *= b,res += c-'0';return res;}
using mint = modint;
mint op(mint a,mint b){return a*b;}
mint e(){return 1;}
class comb{
private:
    int MAX_N;
    vector<mint> _fac,_ifac;
    void init(){
        for(int i=2;i<=MAX_N;i++)_fac[i]=_fac[i-1]*i;
        // _ifac[MAX_N]=1/_fac[MAX_N];
        // for(int i=MAX_N-1;i>=1;i--)_ifac[i]=_ifac[i+1]*(i+1);
    }
public:
    comb(int n=2000200):MAX_N(n),_fac(n+1,1),_ifac(n+1,1){init();}
    mint fac(int k){
        assert(k<=MAX_N);
        return _fac[k];
    }
    // mint ifac(int k){
    //     assert(k<=MAX_N);
    //     return _ifac[k];
    // }
    // mint nPr(int n,int r){if(r<0||n<r)return 0;return fac(n)*ifac(n-r);}
    // mint nCr(int n,int r){if(r<0||n<r)return 0;return nPr(n,r)*ifac(r);}
    // mint nHr(int n,int r,int low=0){r-=n*low;if(n==0&&r==0)return 1;if(n<=0||r<0)return 0;return nCr(n+r-1,r);}
};
signed main() {
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(20);

    INT(l,r,m);
    mint::set_mod(m);
    comb com(m+10);
    segtree<mint,op,e> seg(m);
    rep(i,m)seg.set(i,com.fac(i));
    mint ans = 0;
    for(int i=l;i<min(m,r+1);i++)ans += seg.prod(1,i+1);
    cout<<ans.val()<<endl;
    return 0;
}
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