oj.uz

Submission #1064218

# Submission time Handle Problem Language Result Execution time Memory
1064218 2024-08-18T10:30:11 Z MarwenElarbi Rarest Insects (IOI22_insects) C++17
59.66 / 100
 98 ms 1272 KB 
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
#define pb push_back
#define ll long long
#define fi first
#define se second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int nax=2005;
int sz[nax];
vector<int> insects;
vector<int> to_do[nax];
int ls=0;
int rs=-1;
int c=0;
void daq(int l,int r){
  if(l==r){
    sz[l]+=to_do[l].size();
    return;
  }
  int mid=(r+l)/2;
  while(ls<l){
    c--;
    move_outside(insects[ls++]);
  }
  while(ls>l){
    c++;
    move_inside(insects[--ls]);
  }
  while(rs<mid){
    c++;
    move_inside(insects[++rs]);
  }
  while(rs>mid){
    c--;
    move_outside(insects[rs--]);
  }
  vector<int> left,right;
  for(auto u:to_do[mid]){
    move_inside(u);
    int a=press_button();
    if(a==2) left.pb(u);
    else right.pb(u);
    move_outside(u);
  }
  to_do[(mid+l)/2]=left;
  to_do[(mid+1+r)/2]=right;
  if(to_do[(mid+l)/2].size()) daq(l,mid);
  if(to_do[(mid+1+r)/2].size()) daq(mid+1,r);
  return;
}
int min_cardinality(int N){
  int n=N;
  move_inside(0);
  insects.pb(0);
  int cnt=1;
  vector<int> cur;
  for (int i = 1; i < n; ++i)
  {
    move_inside(i);
    cnt++;
    int a=press_button();
    if(a==2){
      if(cnt<=2) sz[0]++;
      else{
        cur.pb(i);
      }
      move_outside(i);
      cnt--;
    }else{
      insects.pb(i);
    }
  }
  for(auto u:cur) to_do[(insects.size()-1)/2].pb(u);
  for (int i = 0; i < insects.size(); ++i)
  {
    move_outside(insects[i]);
  }
  daq(0,insects.size()-1);
  int mn=1e9; 
  for (int i = 0; i < insects.size(); ++i)
  {
    mn=min(mn,sz[i]);
  }
  return mn+1;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:75:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |   for (int i = 0; i < insects.size(); ++i)
      |                   ~~^~~~~~~~~~~~~~~~
insects.cpp:81:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |   for (int i = 0; i < insects.size(); ++i)
      |                   ~~^~~~~~~~~~~~~~~~

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 344 KB Output is correct
8 Correct 4 ms 492 KB Output is correct
9 Correct 4 ms 496 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 4 ms 496 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 4 ms 496 KB Output is correct
15 Correct 5 ms 600 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 4 ms 500 KB Output is correct
18 Correct 4 ms 492 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 6 ms 496 KB Output is correct
22 Correct 3 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 344 KB Output is correct
8 Correct 4 ms 492 KB Output is correct
9 Correct 4 ms 496 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 4 ms 496 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 4 ms 496 KB Output is correct
15 Correct 5 ms 600 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 4 ms 500 KB Output is correct
18 Correct 4 ms 492 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 6 ms 496 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 3 ms 344 KB Output is correct
25 Correct 31 ms 496 KB Output is correct
26 Correct 36 ms 496 KB Output is correct
27 Correct 7 ms 344 KB Output is correct
28 Correct 41 ms 492 KB Output is correct
29 Correct 15 ms 516 KB Output is correct
30 Correct 35 ms 760 KB Output is correct
31 Correct 12 ms 504 KB Output is correct
32 Correct 26 ms 600 KB Output is correct
33 Correct 22 ms 344 KB Output is correct
34 Correct 23 ms 728 KB Output is correct
35 Correct 19 ms 492 KB Output is correct
36 Correct 29 ms 764 KB Output is correct
37 Correct 32 ms 732 KB Output is correct
38 Correct 37 ms 496 KB Output is correct
39 Correct 34 ms 508 KB Output is correct
40 Correct 31 ms 752 KB Output is correct
41 Correct 23 ms 600 KB Output is correct

Subtask #3
34.66 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 ms 344 KB Output is correct
7 Correct 11 ms 344 KB Output is correct
8 Correct 11 ms 500 KB Output is correct
9 Partially correct 65 ms 600 KB Output is partially correct
10 Partially correct 86 ms 1104 KB Output is partially correct
11 Correct 14 ms 500 KB Output is correct
12 Partially correct 76 ms 600 KB Output is partially correct
13 Partially correct 33 ms 604 KB Output is partially correct
14 Partially correct 83 ms 600 KB Output is partially correct
15 Partially correct 28 ms 740 KB Output is partially correct
16 Partially correct 46 ms 496 KB Output is partially correct
17 Partially correct 42 ms 496 KB Output is partially correct
18 Partially correct 52 ms 776 KB Output is partially correct
19 Partially correct 61 ms 496 KB Output is partially correct
20 Partially correct 58 ms 760 KB Output is partially correct
21 Partially correct 80 ms 1252 KB Output is partially correct
22 Partially correct 71 ms 788 KB Output is partially correct
23 Partially correct 94 ms 600 KB Output is partially correct
24 Partially correct 98 ms 1004 KB Output is partially correct
25 Partially correct 67 ms 520 KB Output is partially correct
26 Partially correct 62 ms 776 KB Output is partially correct
27 Partially correct 77 ms 848 KB Output is partially correct
28 Partially correct 71 ms 1248 KB Output is partially correct
29 Partially correct 68 ms 532 KB Output is partially correct
30 Partially correct 60 ms 532 KB Output is partially correct
31 Partially correct 77 ms 752 KB Output is partially correct
32 Partially correct 63 ms 592 KB Output is partially correct
33 Partially correct 95 ms 1272 KB Output is partially correct
34 Partially correct 76 ms 796 KB Output is partially correct
35 Partially correct 84 ms 744 KB Output is partially correct
36 Partially correct 87 ms 988 KB Output is partially correct
37 Partially correct 76 ms 768 KB Output is partially correct
38 Partially correct 71 ms 1020 KB Output is partially correct
39 Partially correct 96 ms 596 KB Output is partially correct
40 Partially correct 78 ms 1148 KB Output is partially correct
41 Partially correct 68 ms 592 KB Output is partially correct
42 Partially correct 89 ms 1008 KB Output is partially correct
43 Partially correct 9 ms 344 KB Output is partially correct
44 Partially correct 53 ms 600 KB Output is partially correct
45 Correct 17 ms 596 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Partially correct 57 ms 744 KB Output is partially correct
48 Partially correct 40 ms 584 KB Output is partially correct