oj.uz

Submission #972683

# Submission time Handle Problem Language Result Execution time Memory
972683 2024-04-30T21:19:51 Z ALeonidou Rarest Insects (IOI22_insects) C++17
49.97 / 100
 80 ms 1704 KB 
#include "insects.h"

#include <variant>
#include <vector>
#include <iostream>
#include <algorithm>
#include <set>
using namespace std;

#define ll int
#define F first
#define S second
#define pb push_back
#define sz(x) (ll)x.size()
#define endl "\n"

typedef vector <ll> vi;
typedef pair <ll, ll> ii;
typedef vector <ii> vii;
    
#define dbg(x) cout<<#x<<": "<<x<<endl;
#define dbg2(x,y) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<endl;
#define dbg3(x,y,z) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<endl;
    
void printVct(vi &v){
    for (ll i =0; i<sz(v); i++){
            cout<<v[i]<<" ";
    }
    cout<<endl;
}

#define MID ((l+r)/2)

// void solve(vi &u, ll l, ll r, vi test_subjects, vi &id){
//     if (l == r){
//         for (ll i =0; i<sz(test_subjects); i++){
//             id[test_subjects[i]] = u[l];
//         }
//     }
//     else{
//         vi remaining_test_subjects, opposite_remaining_test_subjects;

//         //go left:
//         for (ll i =MID+1; i<r; i++){
//             move_outside(u[i]);
//         }
//         for (ll i = 0; i<sz(test_subjects); i++){
//             move_inside(test_subjects[i]);
//             ll x = press_button();
//             if (x == 2){
//                 remaining_test_subjects.pb(test_subjects[i]);
//             }
//             else{
//                 opposite_remaining_test_subjects.pb(test_subjects[i]);
//             }
//             move_outside(test_subjects[i]);
//         }
//         solve(u, l, MID, remaining_test_subjects, id);
//         for (ll i =MID+1; i<r; i++){
//             move_inside(u[i]);
//         }

//         //go right:
//         for (ll i =l; i<=MID; i++){
//             move_outside(u[i]);
//         }
//         solve(u, MID+1, r, opposite_remaining_test_subjects, id);
//         for (ll i =l; i<=MID; i++){
//             move_inside(u[i]);
//         }
//     }
// }

void tabb(ll n){
    for (ll i =0; i<n; i++) cout<<"\t";
}

void solve(vi &u, ll l, ll r, vi test_subjects, vi &id, ll tab = 0){
    // tabb(tab);
    // cout<<"l:"<<l<<" r:"<<r<<"  test_subjects:";
    // printVct(test_subjects);
    if (!sz(test_subjects)) return;
    if (l == r){
        for (ll i =0; i<sz(test_subjects); i++){
            id[test_subjects[i]] = u[l];
        }
    }
    else{
        vi remaining_test_subjects, opposite_remaining_test_subjects;
    
        //go left:
        remaining_test_subjects.clear();
        for (ll i =MID+1; i<=r; i++){
            move_outside(u[i]);
        }
        for (ll i = 0; i<sz(test_subjects); i++){
            move_inside(test_subjects[i]);
            ll x = press_button();
            if (x == 2){
                remaining_test_subjects.pb(test_subjects[i]);
            }
            else{
                opposite_remaining_test_subjects.pb(test_subjects[i]);
            }
            move_outside(test_subjects[i]);
        }
        solve(u, l, MID, remaining_test_subjects, id, tab+1);
        for (ll i =MID+1; i<=r; i++){
            move_inside(u[i]);
        }
    
        //go right:
        for (ll i =l; i<=MID; i++){
            move_outside(u[i]);
        }
        solve(u, MID+1, r, opposite_remaining_test_subjects, id, tab+1);
        for (ll i =l; i<=MID; i++){
            move_inside(u[i]);
        }
    }
}

int min_cardinality(int N){
    ll n = N;
    vi v(n);

    //step 1: make list of unique elements
    vi u(1,0);
    move_inside(0);
    for (ll i =1; i<n;i++){
        move_inside(i);
        ll x = press_button();
        if (x == 2){
            move_outside(i);
        }
        else{
            u.pb(i);
        }
    }
    // printVct(u);

    //step 2: binary search
    set <ll> st;
    for (ll i =0; i<sz(u); i++){
        st.insert(u[i]);
    }
    vi test_subjects, id(n);
    for (ll i =0; i<n; i++){
        if (st.find(i) == st.end()){
            test_subjects.pb(i);
            id[i] = -1;
        }
        else{
            id[i] = i;
        }
    }
    solve(u, 0, sz(u)-1, test_subjects, id);

    // printVct(id);

    sort(id.begin(), id.end());

    vi f(n,0);
    for (ll i =0; i<n; i++){
        f[id[i]]++;
    }
    ll ans = 1000000000;
    for (ll i =0; i<n; i++){
        if (f[i]){
            ans = min(ans, f[i]);
        }
    }
    return ans;
}


/*

6
5 8 9 5 9 9

5
1 2 2 3 4


10
1 2 2 6 1 3 3 2 6 1

60
1 2 2 6 1 3 3 2 6 1 1 2 2 6 1 3 3 2 6 1 1 2 2 6 1 3 3 2 8 6 1 1 2 2 6 1 3 3 9 6 1 1 15 2 6 1 3 3 2 6 1 1 2 2 6 1 3 3 2 6 1

6
1 2 3 4 5 6

1
1

*/

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 600 KB Output is correct
7 Correct 1 ms 688 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 5 ms 600 KB Output is correct
10 Correct 2 ms 856 KB Output is correct
11 Correct 4 ms 600 KB Output is correct
12 Correct 3 ms 856 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 4 ms 856 KB Output is correct
15 Correct 4 ms 600 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 4 ms 856 KB Output is correct
19 Correct 5 ms 596 KB Output is correct
20 Correct 4 ms 600 KB Output is correct
21 Correct 4 ms 448 KB Output is correct
22 Correct 3 ms 600 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 600 KB Output is correct
7 Correct 1 ms 688 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 5 ms 600 KB Output is correct
10 Correct 2 ms 856 KB Output is correct
11 Correct 4 ms 600 KB Output is correct
12 Correct 3 ms 856 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 4 ms 856 KB Output is correct
15 Correct 4 ms 600 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 4 ms 856 KB Output is correct
19 Correct 5 ms 596 KB Output is correct
20 Correct 4 ms 600 KB Output is correct
21 Correct 4 ms 448 KB Output is correct
22 Correct 3 ms 600 KB Output is correct
23 Correct 4 ms 440 KB Output is correct
24 Correct 5 ms 448 KB Output is correct
25 Correct 30 ms 848 KB Output is correct
26 Correct 24 ms 944 KB Output is correct
27 Correct 10 ms 1112 KB Output is correct
28 Correct 29 ms 984 KB Output is correct
29 Correct 16 ms 1188 KB Output is correct
30 Correct 26 ms 688 KB Output is correct
31 Correct 15 ms 696 KB Output is correct
32 Correct 18 ms 692 KB Output is correct
33 Correct 21 ms 928 KB Output is correct
34 Correct 23 ms 856 KB Output is correct
35 Correct 26 ms 612 KB Output is correct
36 Correct 29 ms 688 KB Output is correct
37 Correct 30 ms 844 KB Output is correct
38 Correct 37 ms 600 KB Output is correct
39 Correct 28 ms 600 KB Output is correct
40 Correct 26 ms 960 KB Output is correct
41 Correct 20 ms 1136 KB Output is correct

Subtask #3
24.97 / 75.0

# 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 1 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 428 KB Output is correct
8 Correct 8 ms 1112 KB Output is correct
9 Partially correct 68 ms 1224 KB Output is partially correct
10 Partially correct 73 ms 976 KB Output is partially correct
11 Correct 20 ms 676 KB Output is correct
12 Partially correct 57 ms 1488 KB Output is partially correct
13 Partially correct 44 ms 1232 KB Output is partially correct
14 Partially correct 74 ms 712 KB Output is partially correct
15 Partially correct 37 ms 1192 KB Output is partially correct
16 Partially correct 37 ms 932 KB Output is partially correct
17 Partially correct 50 ms 856 KB Output is partially correct
18 Partially correct 46 ms 948 KB Output is partially correct
19 Partially correct 42 ms 1184 KB Output is partially correct
20 Partially correct 60 ms 600 KB Output is partially correct
21 Partially correct 60 ms 1440 KB Output is partially correct
22 Partially correct 75 ms 708 KB Output is partially correct
23 Partially correct 67 ms 736 KB Output is partially correct
24 Partially correct 68 ms 864 KB Output is partially correct
25 Partially correct 58 ms 1016 KB Output is partially correct
26 Partially correct 48 ms 1448 KB Output is partially correct
27 Partially correct 69 ms 928 KB Output is partially correct
28 Partially correct 69 ms 848 KB Output is partially correct
29 Partially correct 59 ms 860 KB Output is partially correct
30 Partially correct 70 ms 676 KB Output is partially correct
31 Partially correct 63 ms 476 KB Output is partially correct
32 Partially correct 69 ms 944 KB Output is partially correct
33 Partially correct 73 ms 1228 KB Output is partially correct
34 Partially correct 66 ms 644 KB Output is partially correct
35 Partially correct 70 ms 716 KB Output is partially correct
36 Partially correct 62 ms 1220 KB Output is partially correct
37 Partially correct 64 ms 712 KB Output is partially correct
38 Partially correct 75 ms 968 KB Output is partially correct
39 Partially correct 70 ms 848 KB Output is partially correct
40 Partially correct 80 ms 676 KB Output is partially correct
41 Partially correct 77 ms 724 KB Output is partially correct
42 Partially correct 54 ms 1104 KB Output is partially correct
43 Partially correct 10 ms 856 KB Output is partially correct
44 Partially correct 45 ms 1104 KB Output is partially correct
45 Correct 24 ms 452 KB Output is correct
46 Partially correct 65 ms 1704 KB Output is partially correct
47 Partially correct 54 ms 1216 KB Output is partially correct
48 Partially correct 71 ms 1036 KB Output is partially correct