Submission #972692

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
972692	2024-04-30T22:59:28 Z	ALeonidou	Rarest Insects (IOI22_insects)	C++17	61.06 / 100	83 ms	1620 KB

insects

#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"
#define ins insert

typedef vector <ll> vi;
typedef pair <ll, ll> ii;
typedef vector <ii> vii;
typedef set <ll> si;
    
#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, si &machine_u, ll l, ll r, vi test_subjects, vi &id){
    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;
    
        //left:
        for (ll i = 0; i<sz(u); i++){
            if (l <= i && i <= MID){  //wanted
                if (machine_u.find(u[i]) == machine_u.end()){
                    //add
                    move_inside(u[i]);
                    machine_u.ins(u[i]);
                }  
            }
            else{   //unwanted
                if (machine_u.find(u[i]) != machine_u.end()){
                    //remove
                    move_outside(u[i]);
                    machine_u.erase(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, machine_u, l, MID, remaining_test_subjects, id);
    
        //right:
        solve(u, machine_u, MID+1, r, opposite_remaining_test_subjects, id);
    }
}

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;
        }
    }
    si machine_u;
    for (ll i = 0; i<sz(u); i++) machine_u.insert(u[i]);
    solve(u, machine_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

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	2 ms	600 KB	Output is correct
8	Correct	4 ms	344 KB	Output is correct
9	Correct	4 ms	344 KB	Output is correct
10	Correct	2 ms	600 KB	Output is correct
11	Correct	4 ms	856 KB	Output is correct
12	Correct	3 ms	600 KB	Output is correct
13	Correct	6 ms	344 KB	Output is correct
14	Correct	5 ms	600 KB	Output is correct
15	Correct	4 ms	856 KB	Output is correct
16	Correct	4 ms	856 KB	Output is correct
17	Correct	4 ms	856 KB	Output is correct
18	Correct	4 ms	600 KB	Output is correct
19	Correct	4 ms	692 KB	Output is correct
20	Correct	5 ms	856 KB	Output is correct
21	Correct	4 ms	600 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	2 ms	600 KB	Output is correct
8	Correct	4 ms	344 KB	Output is correct
9	Correct	4 ms	344 KB	Output is correct
10	Correct	2 ms	600 KB	Output is correct
11	Correct	4 ms	856 KB	Output is correct
12	Correct	3 ms	600 KB	Output is correct
13	Correct	6 ms	344 KB	Output is correct
14	Correct	5 ms	600 KB	Output is correct
15	Correct	4 ms	856 KB	Output is correct
16	Correct	4 ms	856 KB	Output is correct
17	Correct	4 ms	856 KB	Output is correct
18	Correct	4 ms	600 KB	Output is correct
19	Correct	4 ms	692 KB	Output is correct
20	Correct	5 ms	856 KB	Output is correct
21	Correct	4 ms	600 KB	Output is correct
22	Correct	3 ms	600 KB	Output is correct
23	Correct	6 ms	440 KB	Output is correct
24	Correct	6 ms	860 KB	Output is correct
25	Correct	32 ms	940 KB	Output is correct
26	Correct	28 ms	856 KB	Output is correct
27	Correct	9 ms	600 KB	Output is correct
28	Correct	28 ms	1164 KB	Output is correct
29	Correct	13 ms	1364 KB	Output is correct
30	Correct	32 ms	704 KB	Output is correct
31	Correct	15 ms	608 KB	Output is correct
32	Correct	17 ms	692 KB	Output is correct
33	Correct	18 ms	1120 KB	Output is correct
34	Correct	18 ms	1180 KB	Output is correct
35	Correct	33 ms	884 KB	Output is correct
36	Correct	28 ms	700 KB	Output is correct
37	Correct	27 ms	1104 KB	Output is correct
38	Correct	34 ms	856 KB	Output is correct
39	Correct	35 ms	948 KB	Output is correct
40	Correct	24 ms	680 KB	Output is correct
41	Correct	21 ms	604 KB	Output is correct

Subtask #3

36.06 / 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	10 ms	416 KB	Output is correct
8	Correct	10 ms	860 KB	Output is correct
9	Partially correct	61 ms	1144 KB	Output is partially correct
10	Partially correct	65 ms	1620 KB	Output is partially correct
11	Correct	15 ms	848 KB	Output is correct
12	Partially correct	61 ms	1092 KB	Output is partially correct
13	Partially correct	30 ms	1188 KB	Output is partially correct
14	Partially correct	71 ms	968 KB	Output is partially correct
15	Partially correct	48 ms	728 KB	Output is partially correct
16	Partially correct	38 ms	592 KB	Output is partially correct
17	Partially correct	44 ms	864 KB	Output is partially correct
18	Partially correct	59 ms	720 KB	Output is partially correct
19	Partially correct	50 ms	728 KB	Output is partially correct
20	Partially correct	57 ms	1200 KB	Output is partially correct
21	Partially correct	82 ms	980 KB	Output is partially correct
22	Partially correct	76 ms	976 KB	Output is partially correct
23	Partially correct	71 ms	744 KB	Output is partially correct
24	Partially correct	70 ms	600 KB	Output is partially correct
25	Partially correct	59 ms	856 KB	Output is partially correct
26	Partially correct	45 ms	848 KB	Output is partially correct
27	Partially correct	74 ms	464 KB	Output is partially correct
28	Partially correct	60 ms	672 KB	Output is partially correct
29	Partially correct	60 ms	980 KB	Output is partially correct
30	Partially correct	63 ms	1200 KB	Output is partially correct
31	Partially correct	72 ms	992 KB	Output is partially correct
32	Partially correct	74 ms	884 KB	Output is partially correct
33	Partially correct	83 ms	720 KB	Output is partially correct
34	Partially correct	67 ms	728 KB	Output is partially correct
35	Partially correct	75 ms	848 KB	Output is partially correct
36	Partially correct	65 ms	976 KB	Output is partially correct
37	Partially correct	68 ms	940 KB	Output is partially correct
38	Partially correct	70 ms	716 KB	Output is partially correct
39	Partially correct	72 ms	1192 KB	Output is partially correct
40	Partially correct	73 ms	952 KB	Output is partially correct
41	Partially correct	83 ms	1112 KB	Output is partially correct
42	Partially correct	66 ms	680 KB	Output is partially correct
43	Partially correct	11 ms	1116 KB	Output is partially correct
44	Partially correct	34 ms	724 KB	Output is partially correct
45	Correct	19 ms	600 KB	Output is correct
46	Partially correct	68 ms	1556 KB	Output is partially correct
47	Partially correct	57 ms	1060 KB	Output is partially correct
48	Partially correct	60 ms	976 KB	Output is partially correct