結果

問題 No.1696 Nonnil
ユーザー PCTprobabilityPCTprobability
提出日時 2021-12-11 14:18:44
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
TLE  
(最新)
AC  
(最初)
実行時間 -
コード長 6,434 bytes
コンパイル時間 4,999 ms
コンパイル使用メモリ 278,116 KB
実行使用メモリ 65,536 KB
最終ジャッジ日時 2024-07-19 19:17:47
合計ジャッジ時間 64,886 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
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
5,248 KB
testcase_01 AC 2 ms
5,248 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 2,950 ms
64,000 KB
testcase_04 AC 2 ms
5,376 KB
testcase_05 AC 3 ms
5,376 KB
testcase_06 AC 2 ms
5,376 KB
testcase_07 AC 3 ms
5,376 KB
testcase_08 AC 2,446 ms
63,872 KB
testcase_09 AC 92 ms
7,424 KB
testcase_10 AC 143 ms
8,448 KB
testcase_11 AC 74 ms
6,912 KB
testcase_12 AC 157 ms
8,192 KB
testcase_13 AC 76 ms
7,168 KB
testcase_14 AC 2,343 ms
61,312 KB
testcase_15 AC 278 ms
14,848 KB
testcase_16 AC 2,326 ms
65,408 KB
testcase_17 AC 2,057 ms
58,240 KB
testcase_18 AC 894 ms
23,424 KB
testcase_19 AC 2 ms
5,376 KB
testcase_20 AC 2 ms
5,376 KB
testcase_21 AC 1,665 ms
51,712 KB
testcase_22 AC 1,573 ms
50,944 KB
testcase_23 AC 1,392 ms
48,384 KB
testcase_24 AC 1,326 ms
46,464 KB
testcase_25 AC 1,946 ms
57,728 KB
testcase_26 AC 1,946 ms
58,112 KB
testcase_27 AC 2,381 ms
64,384 KB
testcase_28 AC 1,452 ms
49,280 KB
testcase_29 AC 1,822 ms
54,784 KB
testcase_30 AC 1,193 ms
45,440 KB
testcase_31 AC 2,232 ms
59,904 KB
testcase_32 AC 2,376 ms
62,720 KB
testcase_33 AC 1,711 ms
53,120 KB
testcase_34 AC 1,681 ms
53,120 KB
testcase_35 AC 1,921 ms
56,448 KB
testcase_36 AC 2,668 ms
65,536 KB
testcase_37 AC 2,704 ms
65,536 KB
testcase_38 AC 2,715 ms
65,536 KB
testcase_39 AC 2,991 ms
65,408 KB
testcase_40 TLE -
testcase_41 AC 410 ms
17,792 KB
testcase_42 AC 2,338 ms
59,904 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 <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#endif
using ll = int;
using ld = long double;
using ull = unsigned long long;
#define endl "\n"
typedef pair<int, int> Pii;
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i))
#define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++)
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(x) begin(x), end(x)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(s) (s).begin(),(s).end()
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define rever(vec) reverse(vec.begin(), vec.end())
#define sor(vec) sort(vec.begin(), vec.end())
#define fi first
#define se second
#define pb push_back
#define P pair<ll,ll>
#define PQminll priority_queue<ll, vector<ll>, greater<ll>>
#define PQmaxll priority_queue<ll,vector<ll>,less<ll>>
#define PQminP priority_queue<P, vector<P>, greater<P>>
#define PQmaxP priority_queue<P,vector<P>,less<P>>
#define NP next_permutation
//const ll mod = 1000000009;
const ll mod = 998244353;
//const ll mod = 1000000007;
const ll inf = 4100000ll;
const ld eps = ld(0.00000000001);
//static const long double pi = 3.141592653589793;
template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];}
template<class T,class K>void vcin(vector<T> &n,vector<K> &m){for(int i=0;i<int(n.size());i++) cin>>n[i]>>m[i];}
template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;}
template<class T>void vcin(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cin>>n[i][j];}}}
template<class T>void vcout(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cout<<n[i][j]<<" ";}cout<<endl;}cout<<endl;}
void yes(bool a){cout<<(a?"yes":"no")<<endl;}
void YES(bool a){cout<<(a?"YES":"NO")<<endl;}
void Yes(bool a){cout<<(a?"Yes":"No")<<endl;}
void possible(bool a){ cout<<(a?"possible":"impossible")<<endl; }
void Possible(bool a){ cout<<(a?"Possible":"Impossible")<<endl; }
void POSSIBLE(bool a){ cout<<(a?"POSSIBLE":"IMPOSSIBLE")<<endl; }
template<class T>auto min(const T& a){ return *min_element(all(a)); }
template<class T>auto max(const T& a){ return *max_element(all(a)); }
template<class T,class F>void print(pair<T,F> a){cout<<a.fi<<" "<<a.se<<endl;}
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0;}
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0;}
template<class T> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
ll fastgcd(ll u,ll v){ll shl=0;while(u&&v&&u!=v){bool eu=!(u&1);bool ev=!(v&1);if(eu&&ev){++shl;u>>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<<shl:u<<shl;}
ll modPow(ll a, ll n, ll mod) { if(mod==1) return 0;ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; }
vector<ll> divisor(ll x){ vector<ll> ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; }
ll pop(ll x){return __builtin_popcountll(x);}
ll poplong(ll x){ll y=-1;while(x){x/=2;y++;}return y;}
P hyou(P a){ll x=fastgcd(abs(a.fi),abs(a.se));a.fi/=x;a.se/=x;if(a.se<0){a.fi*=-1;a.se*=-1;}return a;}
P Pplus(P a,P b){ return hyou({a.fi*b.se+b.fi*a.se,a.se*b.se});}
P Ptimes(P a,ll b){ return hyou({a.fi*b,a.se});}
P Ptimes(P a,P b){ return hyou({a.fi*b.fi,a.se*b.se});}
P Pminus(P a,P b){ return hyou({a.fi*b.se-b.fi*a.se,a.se*b.se});}
P Pgyaku(P a){ return hyou({a.se,a.fi});}
template<class T>
struct Sum{
  vector<T> data;
  Sum(const vector<T>& v):data(v.size()+1){
    for(ll i=0;i<v.size();i++) data[i+1]=data[i]+v[i];
  }
  T get(ll l,ll r) const {
    return data[r]-data[l];
  }
};
template<class T>
struct Sum2{
  vector<vector<T>> data;
  Sum2(const vector<vector<T>> &v):data(v.size()+1,vector<T>(v[0].size()+1)){
    for(int i=0;i<v.size();i++) for(int j=0;j<v[i].size();j++) data[i+1][j+1]=data[i][j+1]+v[i][j];
    for(int i=0;i<v.size();i++) for(int j=0;j<v[i].size();j++) data[i+1][j+1]+=data[i+1][j];
  }
  T get(ll x1,ll y1,ll x2,ll y2) const {
    return data[x2][y2]+data[x1][y1]-data[x1][y2]-data[x2][y1];
  }
};

void cincout(){
  ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
  cout<< fixed << setprecision(10);
}
using mint = modint998244353;
struct S{
    mint value;
    int size;
};
using F = mint;

S op(S a, S b){ return {a.value+b.value, a.size+b.size}; }
S e(){ return {0, 0}; }
S mapping(F f, S x){ return {x.value + f*x.size, x.size}; }
F composition(F f, F g){ return f+g; }
F id(){ return 0; }
mint fac[30000];
mint binom(ll a,ll b){
  return fac[a]/fac[b]/fac[a-b];
}
int main() {
  fac[0]=1;
  for(int i=1;i<30000;i++) fac[i]=fac[i-1]*i;
  cincout();
  ll n,k,m;
  cin>>n>>k>>m;
  vector<ll> a(m),b(m);
  for(int i=0;i<m;i++){
    cin>>a[i]>>b[i];
  }
  vector<ll> s(k+1,-inf);
  for(int i=0;i<m;i++) chmax(s[b[i]],a[i]);
  vector<S> sub(k+10,{0,1});
  lazy_segtree<S, op, e, F, mapping, composition, id> seg(sub);
  vector<lazy_segtree<S,op,e,F,mapping,composition,id>> dp(k+10,seg);
  ll now=-1;
  dp[0].apply(0,1,1);
  for(int i=1;i<=k;i++){
    for(int x=0;x<=k;x++){
    //  for(int y=0;y<=k;y++) cout<<dp[x].prod(y,y+1).value.val()<<" ";
    //  cout<<endl;
      }
    if(s[i]==-inf){
       for(int j=k;j>=0;j--){
        mint x=dp[j].prod(now+1,k+5).value;
        dp[j+1].apply(i,i+1,x);
      }
      continue;
    }
    else{
      for(int j=k;j>=0;j--){
        mint x=dp[j].prod(now+1,k+5).value;
        dp[j+1].apply(i,i+1
                      ,x);
      }
      chmax(now,s[i]-1);
    }
  }
  for(int i=0;i<=k;i++){
 //   for(int j=0;j<=k;j++) cout<<dp[i].prod(j,j+1).value.val()<<" ";
  //  cout<<endl;
   }
  mint ans=0;
  vector<mint> p(k+1);
  for(int i=0;i<=k;i++) p[i]=mint(i).pow(n);
  for(int i=1;i<=k;i++){
    mint sum=dp[i].prod(now+1,k+5).value;
    mint tmp=0;
    mint x=1;
    for(int j=i;j>=1;j--){
      tmp+=p[j]*binom(i,j)*x;
      x*=-1;
    }
    //cout<<i<<" "<<sum.val()<<" "<<tmp.val()<<endl;
    ans+=sum*tmp;
  }
  cout<<ans.val()<<endl;
}
0