結果

問題 No.808 Kaiten Sushi?
ユーザー kurarrrkurarrr
提出日時 2019-03-22 22:53:53
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 3,150 bytes
コンパイル時間 2,075 ms
コンパイル使用メモリ 209,588 KB
最終ジャッジ日時 2025-01-07 00:02:42
ジャッジサーバーID
(参考情報)
judge3 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 42 WA * 14
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 #

#ifdef DEBUG_IS_VALID
#define DEB 1 
#define _LIBCPP_DEBUG 0
#else
#define DEB 0
#define NDEBUG
#endif

#include "bits/stdc++.h"

#define ALL(g) (g).begin(),(g).end()
#define REP(i, x, n) for(int i = x; i < n; i++)
#define rep(i,n) REP(i,0,n)
#define RREP(i, x, n) for(int i = x; i >= n; i--)
#define rrep(i, n) RREP(i,n,0)
#define pb push_back
#pragma GCC optimize ("-O3")

using namespace std;

#define DUMPOUT cout
#define dump(...) if(DEB) DUMPOUT<<"  "<<#__VA_ARGS__<<" :["<<__LINE__<<":"<<__FUNCTION__<<"]"<<endl<<"    "; if(DEB) dump_func(__VA_ARGS__)
template<typename T1,typename T2>ostream& operator << (ostream& os, pair<T1,T2> p){cout << "(" << p.first << ", " << p.second << ")"; return os;}
template<typename T>ostream& operator << (ostream& os, vector<T>& vec) { os << "{"; for (int i = 0; i<vec.size(); i++) os << vec[i] << (i + 1 == vec.size() ? "" : ", "); os << "}"; return os; }
template<typename T>ostream& operator << (ostream& os, set<T>& st){cout << "{"; for(auto itr = st.begin(); itr != st.end(); itr++) cout << *itr << (next(itr)!=st.end() ? ", " : ""); cout << "}"; return os;}
template<typename T1,typename T2>ostream& operator << (ostream& os, map<T1,T2> mp){cout << "{"; for(auto itr = mp.begin(); itr != mp.end(); itr++) cout << "(" << (itr->first) << ", " << (itr->second) << ")" << (next(itr)!=mp.end() ? "," : ""); cout << "}"; return os; }

void dump_func(){DUMPOUT << endl;}
template <class Head, class... Tail>void dump_func(Head&& head, Tail&&... tail){ DUMPOUT << head; if (sizeof...(Tail) == 0) { DUMPOUT << " "; } else { DUMPOUT << ", "; } dump_func(std::move(tail)...);}
template<class T> inline bool chmax(T& a,T const& b){if(a>=b) return false; a=b; return true;}
template<class T> inline bool chmin(T& a,T const& b){if(a<=b) return false; a=b; return true;}
void _main();
int main(){ cin.tie(0); ios::sync_with_stdio(false); _main(); return 0;}

using ll = long long;
using P = pair<int,int>;
using Pl = pair<ll,ll>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;

const int mod=1e9+7,INF=1<<29;
const double EPS=1e-5,PI=3.1415926535897932384626;
const ll lmod = 1e9+7,LINF=1LL<<59; 

using vd = vector<double>;
using vvd = vector<vd>;

void _main(){
  int N; ll L; cin >> N >> L ;
  set<ll> st;
  vl x(N),y(N),pos(2*N);
  rep(i,N) cin >> x[i];
  rep(i,N) cin >> y[i];
  rep(i,N){
    pos[i] = x[i];
    pos[i+N] = y[i];
  }
  sort(ALL(pos));
  pos.erase(unique(ALL(pos)),pos.end());
  dump(pos);
  int sz = pos.size();
  rep(i,N) st.insert(y[i]);
  vl temp(N),s(2*N);
  rep(i,N){
    auto itr = st.lower_bound(x[i]+1);
    if(itr==st.end()){
      itr = st.lower_bound(1);
    }
    temp[i] = *itr;
    st.erase(itr);
  }
  dump(temp);
  rep(i,N){
    int a = lower_bound(ALL(pos),x[i]) - pos.begin();
    int b = lower_bound(ALL(pos),temp[i]) - pos.begin();
    if(a<b){
      s[a]++; s[b]--;
    }else{
      s[0]++; s[b+1]--; s[a]++;
    }
    dump(a,b);
  }
  rep(i,sz-1){
    s[i+1] += s[i];
  }
  ll ma = *max_element(ALL(s));
  ll t = 0;
  dump(s);
  rep(i,sz-1){
    if(s[i]==ma) chmax(t,pos[i+1]);
  }
  dump(pos);
  cout << t+L*(ma-1) << endl;
}
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