結果
問題 | No.1546 [Cherry 2nd Tune D] 思ったよりも易しくない |
ユーザー |
![]() |
提出日時 | 2021-06-11 23:17:20 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 214 ms / 2,000 ms |
コード長 | 3,076 bytes |
コンパイル時間 | 23,286 ms |
コンパイル使用メモリ | 355,308 KB |
最終ジャッジ日時 | 2025-01-22 07:01:36 |
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 53 |
ソースコード
#pragma GCC target("avx")#pragma GCC optimize("O3")#pragma GCC optimize("unroll-loops")#include<bits/stdc++.h>using namespace std;using ll=long long;using datas=pair<ll,ll>;using ddatas=pair<long double,long double>;using tdata=pair<ll,datas>;using vec=vector<ll>;using mat=vector<vec>;using pvec=vector<datas>;using pmat=vector<pvec>;#define For(i,a,b) for(i=a;i<(ll)b;++i)#define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i)#define rep(i,N) For(i,0,N)#define rep1(i,N) For(i,1,N)#define brep(i,N) bFor(i,N,0)#define brep1(i,N) bFor(i,N,1)#define all(v) (v).begin(),(v).end()#define allr(v) (v).rbegin(),(v).rend()#define vsort(v) sort(all(v))#define vrsort(v) sort(allr(v))#define uniq(v) vsort(v);(v).erase(unique(all(v)),(v).end())#define endl "\n"#define popcount __builtin_popcountll#define eb emplace_back#define print(x) cout<<x<<endl#define printyes print("Yes")#define printno print("No")#define printYES print("YES")#define printNO print("NO")#define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0)#define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0)// constexpr ll mod=1000000007;constexpr ll mod=998244353;constexpr ll inf=1LL<<60;constexpr long double eps=1e-9;const long double PI=acosl(-1);template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";}template<class T> ostream& operator<<(ostream& os,const vector<T>& v){os<<"{";bool f=false;for(auto& x:v){if(f)os<<",";os<<x;f=true;}os<<"}";return os;}template<class T> ostream& operator<<(ostream& os,const set<T>& v){os<<"{";bool f=false;for(auto& x:v){if(f)os<<",";os<<x;f=true;}os<<"}";return os;}template<class T> ostream& operator<<(ostream& os,const multiset<T>& v){os<<"{";bool f=false;for(auto& x:v){if(f)os<<",";os<<x;f=true;}os<<"}";return os;}template<class T,class E> ostream& operator<<(ostream& os,const map<T,E>& v){os<<"{";bool f=false;for(auto& x:v){if(f)os<<",";os<<x;f=true;}os<<"}";return os;}template<class T> inline bool chmax(T& a,const T b){bool x=a<b;if(x)a=b;return x;}template<class T> inline bool chmin(T& a,const T b){bool x=a>b;if(x)a=b;return x;}#ifdef DEBUGvoid debugg(){cout<<endl;}template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);}#define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__)#else#define debug(...) (void(0))#endifinline void startupcpp(void) noexcept{cin.tie(0);ios::sync_with_stdio(false);}#include<atcoder/all>using namespace atcoder;using mint=modint998244353;ll N;mint M,L,ans;int main(){startupcpp();ll i,j;cin>>N;vector<pair<mint,mint>> v(N);rep(i,N){ll a,b;cin>>a>>b;v[i]=pair<mint,mint>(a,b);M+=a;}for(auto [t,x]:v){mint R=L+t;//calc x\sum_{i\in[L,R)} (M-i)(i+1)(i+2)/2ans-=R*(R+1)*(R+2)*(R*3-M*4-3)/24*x;ans+=L*(L+1)*(L+2)*(L*3-M*4-3)/24*x;swap(L,R);}print(ans.val());}