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답안 #539290

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
539290 2022-03-18T16:15:19 Z Soumya1 도서관 (JOI18_library) C++17
100 / 100
 306 ms 456 KB 
#include <cstdio>
#include <vector>
#include <bits/stdc++.h>
#include "library.h"
// #include "debug_local.h"
using namespace std;
void Solve(int n) {
  vector<int> edge[n + 1];
  vector<int> old(n);
  int old_answer = 0;
  for (int i = 1; i <= n; i++) {
      vector<int> nw = old;
      nw[i - 1] = 1;
      int new_answer = Query(nw);
      // debug(old_answer, new_answer);
      if (old_answer + 1 == new_answer) {
          old_answer = new_answer;
          old = nw;
          continue;
      }
      int lo = 1, hi = i - 1;
      while (lo < hi) {
          int mid = (lo + hi) / 2;
          vector<int> q(n);
          for (int j = 1; j <= mid; j++) q[j - 1] = 1;
          // debug(q);
          int x = Query(q);
          q[i - 1] = 1;
          int y = Query(q);
          // debug(x, q, y);
          if (y > x) lo = mid + 1;
          else hi = mid;
          // debug(lo, hi);
      }
      // cout << lo << " " << i << endl;
      edge[lo].push_back(i);
      edge[i].push_back(lo);
      if (new_answer < old_answer) {
          lo = 1, hi = i - 1;
          while (lo < hi) {
              int mid = (lo + hi) / 2;
              vector<int> q(n);
              for (int j = 1; j <= mid; j++) q[j - 1] = 1;
              int x = Query(q);
              q[i - 1] = 1;
              int y = Query(q);
              if (x <= y) lo = mid + 1;
              else hi = mid;
          }
          edge[lo].push_back(i);
          edge[i].push_back(lo);
      }
      old_answer = new_answer;
      old = nw;
  }
  int start;
  for (int i = 1; i <= n; i++) {
      if ((int) edge[i].size() <= 1) start = i;
  }
  vector<bool> vis(n + 1);
  vector<int> ans;
  while ((int) ans.size() < n) {
      ans.push_back(start);
      vis[start] = true;
      for (int next : edge[start]) {
          if (!vis[next]) {
              start = next;
              break;
          }
      }
  }
  Answer(ans);
}

Subtask #1
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 208 KB # of queries: 2854
2 Correct 37 ms 292 KB # of queries: 2821
3 Correct 26 ms 300 KB # of queries: 2974
4 Correct 44 ms 296 KB # of queries: 2968
5 Correct 36 ms 208 KB # of queries: 2954
6 Correct 39 ms 328 KB # of queries: 2964
7 Correct 39 ms 284 KB # of queries: 2998
8 Correct 38 ms 288 KB # of queries: 2841
9 Correct 38 ms 208 KB # of queries: 2997
10 Correct 22 ms 280 KB # of queries: 1751
11 Correct 0 ms 208 KB # of queries: 1
12 Correct 0 ms 208 KB # of queries: 2
13 Correct 1 ms 208 KB # of queries: 5
14 Correct 1 ms 208 KB # of queries: 12
15 Correct 3 ms 208 KB # of queries: 107
16 Correct 4 ms 208 KB # of queries: 235

Subtask #2
81.0 / 81.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 208 KB # of queries: 2854
2 Correct 37 ms 292 KB # of queries: 2821
3 Correct 26 ms 300 KB # of queries: 2974
4 Correct 44 ms 296 KB # of queries: 2968
5 Correct 36 ms 208 KB # of queries: 2954
6 Correct 39 ms 328 KB # of queries: 2964
7 Correct 39 ms 284 KB # of queries: 2998
8 Correct 38 ms 288 KB # of queries: 2841
9 Correct 38 ms 208 KB # of queries: 2997
10 Correct 22 ms 280 KB # of queries: 1751
11 Correct 0 ms 208 KB # of queries: 1
12 Correct 0 ms 208 KB # of queries: 2
13 Correct 1 ms 208 KB # of queries: 5
14 Correct 1 ms 208 KB # of queries: 12
15 Correct 3 ms 208 KB # of queries: 107
16 Correct 4 ms 208 KB # of queries: 235
17 Correct 294 ms 336 KB # of queries: 19590
18 Correct 249 ms 336 KB # of queries: 19329
19 Correct 274 ms 344 KB # of queries: 19548
20 Correct 265 ms 336 KB # of queries: 18300
21 Correct 230 ms 440 KB # of queries: 17167
22 Correct 296 ms 336 KB # of queries: 19630
23 Correct 306 ms 336 KB # of queries: 19527
24 Correct 142 ms 316 KB # of queries: 9047
25 Correct 230 ms 456 KB # of queries: 19165
26 Correct 251 ms 336 KB # of queries: 17899
27 Correct 115 ms 312 KB # of queries: 9019
28 Correct 232 ms 452 KB # of queries: 16956
29 Correct 234 ms 448 KB # of queries: 16937
30 Correct 233 ms 344 KB # of queries: 16956