제출 #418743

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
418743	2021-06-05 19:41:56	Hegdahl	코끼리 (Dancing Elephants) (IOI11_elephants)	C++17	97 / 100	9025 ms	6608 KiB

elephants

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#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#include "elephants.h"
#define ar array
using namespace std;
const int mxN = 15e4;
int n, l, R, a[mxN], idxs[mxN], where[mxN];
struct Chunk {
  int size;
  vector<int> xs;
  vector<ar<int, 2>> dp;
  Chunk(vector<int> &&_xs) : size((int)_xs.size()), xs(move(_xs)) {
    recalc();
  }
  void recalc() {
    dp.resize(size);
    for (int i = size-1; i >= 0; --i) {
      int j = lower_bound(xs.begin(), xs.end(), xs[i]+l) - xs.begin();
      if (j == size) dp[i] = {1, xs[i]+l};
      else dp[i] = {dp[j][0]+1, dp[j][1]};
    }
  }
  void insert(int x) {
    ++size;
    auto it = upper_bound(xs.begin(), xs.end(), x);
 
 
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