답안 #1034831

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1034831	2024-07-25T19:27:04 Z	Mr_Husanboy	드문 곤충 (IOI22_insects)	C++17	99.89 / 100	45 ms	704 KB

insects

#include "insects.h"
#include <bits/stdc++.h>
 
using namespace std;
 
#define ff first
#define ss second
#define all(a) (a).begin(), (a).end()
#define ll long long
const int mod = 1000002022;
 
vector<int> state, p;
int n, m; 
vector<vector<int>> g;
template<typename T>
int len(T &a){return a.size();}
 
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
 
void shuffle(vector<int> &a, int n){
  if(n == 1) return;
  random_shuffle(a.begin(), a.begin() + n);
  for(int i = 0; i < n; i ++){
    int aa = rng() % n, bb = rng() % n;
    while(bb == aa) bb = rng() % n;
    swap(a[aa], a[bb]);
  }
}
 
 
int min_cardinality(int n) {
 
  vector<int> v;
  vector<int> done(n);
  vector<int> ind(n);
  iota(all(ind), 0);
  shuffle(ind, n);
  for(int i = 0; i < n; i ++){
    move_inside(ind[i]);
    if(press_button() == 2){
      move_outside(ind[i]);
    }else v.push_back(ind[i]), done[ind[i]] = 1;
  }
  if(len(v) == 1){
    return n;
  }
  int dis = len(v);
  int l = 1, r = n / dis + 1;
  ll cnt = dis;
 
  auto check = [&](int m)->bool{
    vector<int> rem;
    vector<int> rem2;
    for(int i = 0; i < n; i ++){
      if(done[ind[i]]) continue;
      move_inside(ind[i]);
      if(press_button() <= m){
        rem.push_back(ind[i]);
      }else{
        move_outside(ind[i]);
        rem2.push_back(ind[i]);
      }
    }

    if(cnt + len(rem) == dis * m){
      for(auto u : rem) done[u] = 1;
      cnt += len(rem);
      return true;
    }else{
      for(auto u : rem) move_outside(u);
      for(auto u : rem2) done[u] = 1;
      return false;
    }
  };

  while(r - l > 1){
    int m = (l + r) / 2;
    if(check(m)){
      l = m;
    }else r = m;
  }
  return l;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	2 ms	436 KB	Output is correct
9	Correct	2 ms	388 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	2 ms	440 KB	Output is correct
14	Correct	3 ms	344 KB	Output is correct
15	Correct	3 ms	436 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	4 ms	344 KB	Output is correct
19	Correct	3 ms	600 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	2 ms	436 KB	Output is correct
9	Correct	2 ms	388 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	2 ms	440 KB	Output is correct
14	Correct	3 ms	344 KB	Output is correct
15	Correct	3 ms	436 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	4 ms	344 KB	Output is correct
19	Correct	3 ms	600 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	3 ms	344 KB	Output is correct
24	Correct	6 ms	452 KB	Output is correct
25	Correct	17 ms	440 KB	Output is correct
26	Correct	15 ms	592 KB	Output is correct
27	Correct	9 ms	448 KB	Output is correct
28	Correct	5 ms	344 KB	Output is correct
29	Correct	15 ms	600 KB	Output is correct
30	Correct	8 ms	600 KB	Output is correct
31	Correct	16 ms	344 KB	Output is correct
32	Correct	18 ms	344 KB	Output is correct
33	Correct	12 ms	696 KB	Output is correct
34	Correct	10 ms	344 KB	Output is correct
35	Correct	18 ms	344 KB	Output is correct
36	Correct	13 ms	344 KB	Output is correct
37	Correct	9 ms	444 KB	Output is correct
38	Correct	11 ms	344 KB	Output is correct
39	Correct	7 ms	344 KB	Output is correct
40	Correct	7 ms	452 KB	Output is correct
41	Correct	5 ms	344 KB	Output is correct

Subtask #3
74.89 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	412 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	9 ms	344 KB	Output is correct
8	Correct	7 ms	608 KB	Output is correct
9	Correct	31 ms	700 KB	Output is correct
10	Correct	34 ms	592 KB	Output is correct
11	Correct	28 ms	344 KB	Output is correct
12	Correct	17 ms	608 KB	Output is correct
13	Correct	21 ms	444 KB	Output is correct
14	Correct	29 ms	704 KB	Output is correct
15	Correct	23 ms	344 KB	Output is correct
16	Correct	36 ms	452 KB	Output is correct
17	Correct	26 ms	600 KB	Output is correct
18	Correct	29 ms	344 KB	Output is correct
19	Partially correct	19 ms	344 KB	Output is partially correct
20	Correct	37 ms	440 KB	Output is correct
21	Correct	29 ms	456 KB	Output is correct
22	Correct	27 ms	456 KB	Output is correct
23	Correct	21 ms	456 KB	Output is correct
24	Correct	19 ms	460 KB	Output is correct
25	Correct	10 ms	344 KB	Output is correct
26	Correct	10 ms	600 KB	Output is correct
27	Correct	39 ms	344 KB	Output is correct
28	Correct	25 ms	592 KB	Output is correct
29	Partially correct	37 ms	600 KB	Output is partially correct
30	Partially correct	34 ms	460 KB	Output is partially correct
31	Correct	32 ms	440 KB	Output is correct
32	Correct	45 ms	600 KB	Output is correct
33	Correct	20 ms	592 KB	Output is correct
34	Correct	32 ms	700 KB	Output is correct
35	Partially correct	25 ms	344 KB	Output is partially correct
36	Partially correct	30 ms	344 KB	Output is partially correct
37	Correct	37 ms	444 KB	Output is correct
38	Correct	24 ms	592 KB	Output is correct
39	Correct	32 ms	592 KB	Output is correct
40	Correct	28 ms	456 KB	Output is correct
41	Partially correct	41 ms	684 KB	Output is partially correct
42	Partially correct	22 ms	344 KB	Output is partially correct
43	Correct	8 ms	444 KB	Output is correct
44	Correct	23 ms	600 KB	Output is correct
45	Correct	24 ms	444 KB	Output is correct
46	Correct	14 ms	604 KB	Output is correct
47	Correct	12 ms	344 KB	Output is correct
48	Correct	13 ms	464 KB	Output is correct

답안 #1034831

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.89 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.89 / 75.0