제출 #227470

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
227470	2020-04-27 13:52:22	spdskatr	코끼리 (Dancing Elephants) (IOI11_elephants)	C++14	100 / 100	7245 ms	14944 KiB

elephants

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// This problem is cooked
#include "elephants.h"
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <utility>
#include <cassert>
#define fi first
#define se second
#define K 404 // Not found
using namespace std;
typedef pair<int, int> pii;
int N, L, cnt, loc[150005], curblock[150005];
pair<int, int> el[150005];
struct block {
  int val[K<<1], pos[K<<1], dp[K<<1], ext[K<<1], sz;
  void reset() {
    fill(val, val+K, 0);
    fill(dp, dp+K, 0);
  }
  void recalc() {
    int rp = sz;
    for (int i = sz - 1; i >= 0; i--) {
      while (pos[rp-1] > pos[i] + L) rp--;
      if (rp == sz) {
        dp[i] = 1;
        ext[i] = pos[i] + L + 1;
      } else {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 47 / 47
• Subtask 5: 3 / 3