oj.uz

Submission #1034830

# Submission time Handle Problem Language Result Execution time Memory
1034830 2024-07-25T19:19:04 Z Mr_Husanboy Rarest Insects (IOI22_insects) C++17
99.89 / 100
 49 ms 848 KB 
#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);
  for(int i = 0; i < n; i ++){
    move_inside(i);
    if(press_button() == 2){
      move_outside(i);
    }else v.push_back(i), done[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[i]) continue;
      move_inside(i);
      if(press_button() <= m){
        rem.push_back(i);
      }else{
        move_outside(i);
        rem2.push_back(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

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 440 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 4 ms 440 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 440 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 4 ms 344 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

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 440 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 4 ms 440 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 440 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 4 ms 344 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 4 ms 344 KB Output is correct
24 Correct 6 ms 344 KB Output is correct
25 Correct 17 ms 444 KB Output is correct
26 Correct 15 ms 592 KB Output is correct
27 Correct 10 ms 344 KB Output is correct
28 Correct 6 ms 344 KB Output is correct
29 Correct 13 ms 344 KB Output is correct
30 Correct 18 ms 444 KB Output is correct
31 Correct 18 ms 344 KB Output is correct
32 Correct 15 ms 344 KB Output is correct
33 Correct 16 ms 848 KB Output is correct
34 Correct 13 ms 592 KB Output is correct
35 Correct 19 ms 444 KB Output is correct
36 Correct 7 ms 444 KB Output is correct
37 Correct 8 ms 592 KB Output is correct
38 Correct 7 ms 344 KB Output is correct
39 Correct 14 ms 600 KB Output is correct
40 Correct 8 ms 452 KB Output is correct
41 Correct 6 ms 344 KB Output is correct

Subtask #3
74.89 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 8 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 25 ms 344 KB Output is correct
10 Correct 31 ms 344 KB Output is correct
11 Correct 18 ms 684 KB Output is correct
12 Correct 9 ms 340 KB Output is correct
13 Correct 23 ms 680 KB Output is correct
14 Correct 33 ms 428 KB Output is correct
15 Correct 25 ms 344 KB Output is correct
16 Correct 30 ms 344 KB Output is correct
17 Correct 39 ms 344 KB Output is correct
18 Correct 34 ms 600 KB Output is correct
19 Partially correct 43 ms 444 KB Output is partially correct
20 Correct 30 ms 676 KB Output is correct
21 Correct 27 ms 432 KB Output is correct
22 Correct 36 ms 600 KB Output is correct
23 Correct 29 ms 692 KB Output is correct
24 Correct 28 ms 592 KB Output is correct
25 Correct 13 ms 592 KB Output is correct
26 Correct 10 ms 452 KB Output is correct
27 Correct 30 ms 600 KB Output is correct
28 Correct 29 ms 428 KB Output is correct
29 Partially correct 32 ms 424 KB Output is partially correct
30 Partially correct 33 ms 592 KB Output is partially correct
31 Correct 49 ms 700 KB Output is correct
32 Correct 35 ms 680 KB Output is correct
33 Correct 20 ms 344 KB Output is correct
34 Correct 26 ms 428 KB Output is correct
35 Partially correct 47 ms 424 KB Output is partially correct
36 Partially correct 27 ms 428 KB Output is partially correct
37 Correct 35 ms 592 KB Output is correct
38 Correct 36 ms 588 KB Output is correct
39 Correct 26 ms 600 KB Output is correct
40 Correct 30 ms 680 KB Output is correct
41 Partially correct 34 ms 680 KB Output is partially correct
42 Partially correct 26 ms 592 KB Output is partially correct
43 Correct 8 ms 344 KB Output is correct
44 Correct 20 ms 444 KB Output is correct
45 Correct 33 ms 428 KB Output is correct
46 Correct 12 ms 428 KB Output is correct
47 Correct 10 ms 344 KB Output is correct
48 Correct 13 ms 592 KB Output is correct