結果
問題 | No.1067 #いろいろな色 / Red and Blue and more various colors (Middle) |
ユーザー | momohara |
提出日時 | 2020-05-29 22:28:50 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 182 ms / 2,000 ms |
コード長 | 2,904 bytes |
コンパイル時間 | 2,112 ms |
コンパイル使用メモリ | 185,068 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-06 05:49:08 |
合計ジャッジ時間 | 4,060 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 25 |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i,m,n) for(int (i)=(int)(m);i<(int)(n);++i) #define rep2(i,m,n) for(int (i)=(int)(n)-1;i>=(int)(m);--i) #define REP(i,n) rep(i,0,n) #define REP2(i,n) rep2(i,0,n) #define FOR(i,c) for(decltype((c).begin())i=(c).begin();i!=(c).end();++i) #define all(hoge) (hoge).begin(),(hoge).end() #define en '\n' using ll = long long; using ull = unsigned long long; template <class T> using vec = vector<T>; template <class T> using vvec = vector<vec<T>>; typedef pair<ll, ll> P; constexpr long long INF = 1LL << 60; constexpr int INF_INT = 1 << 25; //constexpr long long MOD = (ll) 1e9 + 7; constexpr long long MOD = 998244353LL; using ld=long double; static const ld pi = 3.141592653589793L; typedef vector<ll> Array; typedef vector<Array> Matrix; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } struct Edge { ll to, rev; long double cap; Edge(ll _to, long double _cap, ll _rev) { to = _to; cap = _cap; rev = _rev; } }; using Edges = vector<Edge>; using Graph = vector<Edges>; void add_edge(Graph& G, ll from, ll to, long double cap, bool revFlag, long double revCap) { G[from].push_back(Edge(to, cap, (ll)G[to].size())); if (revFlag)G[to].push_back(Edge(from, revCap, (ll)G[from].size() - 1)); } void solve(){ ll n,q; cin>>n>>q; Array a(n); REP(i,n) cin>>a[i]; sort(all(a)); Array l(q),r(q),p(q); priority_queue<P> que; REP(i,q){ cin>>l[i]>>r[i]>>p[i]; que.push(make_pair(r[i],i)); } vec<ll> fact(n+1,1); REP(i,n) fact[i+1]=(fact[i]*a[i])%MOD; vec<ll> ans(q,0); vec<ll> dp(n+1,0); dp[0]=1; REP2(i,n){ while(que.size() && que.top().first>a[i]){ auto ret = que.top();que.pop(); ans[ret.second] ^= dp[p[ret.second]]*fact[i+1]%MOD; //cout<<ret.second<<" "<<ret.first<<" "<<p[ret.second]<<" "<<dp[p[ret.second]]<<" "<<fact[i+1]<<en; if(ret.first-1>=l[ret.second]) que.push(make_pair(ret.first-1,ret.second)); } vec<ll> dp2(n+1,0); REP(j,n){ if(dp[j]==0) continue; (dp2[j]+=dp[j]*(a[i]-1)%MOD)%=MOD; (dp2[j+1]+=dp[j])%=MOD; } dp=dp2; } while(que.size()){ auto ret = que.top();que.pop(); ans[ret.second] ^= dp[p[ret.second]]%MOD; //cout<<ret.second<<" "<<ret.first<<" "<<p[ret.second]<<" "<<dp[p[ret.second]]<<" "<<en; if(ret.first-1>=l[ret.second]) que.push(make_pair(ret.first-1,ret.second)); } REP(i,q) cout<<ans[i]%MOD<<en; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); solve(); //ll t;cin>>t;REP(i,t) solve(); return 0; }