Submission #825983

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
825983	2023-08-15T09:42:00 Z	PixelCat	Rarest Insects (IOI22_insects)	C++17	99.79 / 100	53 ms	436 KB

insects

#include "insects.h"

#ifdef NYAOWO
#include "stub.cpp"
#endif

#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i, a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define eb emplace_back
// #define int LL
using namespace std;
using i32 = int32_t;
using LL = long long;
using pii = pair<int, int>;

int find_types(vector<int> &sus) {
    vector<int> rep;
    vector<int> uwu;
    for(auto &i:sus) {
        move_inside(i);
        if(press_button() == 1) {
            rep.eb(i);
        } else {
            move_outside(i);
            uwu.eb(i);
        }
    }
    sus = uwu;
    // for(auto &i:rep) move_outside(i);
    return sz(rep);
}

// # of all types >= k ?
bool check(int k, int m, vector<int> &sus, int good) {
    if(sz(sus) < k * m) return false;
    // for(auto &i:sus) cerr << i << " ";
    vector<int> owo;
    vector<int> uwu;
    for(auto &i:sus) {
        move_inside(i);
        if(press_button() > k + good) {
            uwu.eb(i);
            move_outside(i);
        } else {
            owo.eb(i);
        }
    }
    // cerr << " - " << k << " " << sz(owo) + good << " " << (m * k == sz(owo) + good) << "\n";
    if(m * k == sz(owo)) {
        sus = uwu;
        return true;
    }
    sus = owo;
    for(auto &i:owo) move_outside(i);
    return false;
}

int min_cardinality(int n) {

    vector<int> sus;
    For(i, 0, n - 1) sus.eb(i);
    random_shuffle(all(sus));

    int m = find_types(sus);
    cerr << m << "\n";

    int hi = n / m + 1, lo = 1;
    while(hi - lo > 1) {
        int mi = (hi - lo + 1) / 2;
        if(check(mi, m, sus, lo)) lo += mi;
        else hi = lo + mi;
    }
    return lo;
}

/*

6
5 8 9 5 9 9

1
7

*/

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	304 KB	Output is correct
4	Correct	1 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	4 ms	304 KB	Output is correct
7	Correct	2 ms	304 KB	Output is correct
8	Correct	4 ms	308 KB	Output is correct
9	Correct	5 ms	208 KB	Output is correct
10	Correct	4 ms	304 KB	Output is correct
11	Correct	3 ms	296 KB	Output is correct
12	Correct	5 ms	304 KB	Output is correct
13	Correct	5 ms	208 KB	Output is correct
14	Correct	4 ms	304 KB	Output is correct
15	Correct	3 ms	304 KB	Output is correct
16	Correct	4 ms	208 KB	Output is correct
17	Correct	4 ms	208 KB	Output is correct
18	Correct	4 ms	208 KB	Output is correct
19	Correct	4 ms	208 KB	Output is correct
20	Correct	5 ms	308 KB	Output is correct
21	Correct	2 ms	304 KB	Output is correct
22	Correct	2 ms	208 KB	Output is correct

Subtask #2
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	304 KB	Output is correct
4	Correct	1 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	4 ms	304 KB	Output is correct
7	Correct	2 ms	304 KB	Output is correct
8	Correct	4 ms	308 KB	Output is correct
9	Correct	5 ms	208 KB	Output is correct
10	Correct	4 ms	304 KB	Output is correct
11	Correct	3 ms	296 KB	Output is correct
12	Correct	5 ms	304 KB	Output is correct
13	Correct	5 ms	208 KB	Output is correct
14	Correct	4 ms	304 KB	Output is correct
15	Correct	3 ms	304 KB	Output is correct
16	Correct	4 ms	208 KB	Output is correct
17	Correct	4 ms	208 KB	Output is correct
18	Correct	4 ms	208 KB	Output is correct
19	Correct	4 ms	208 KB	Output is correct
20	Correct	5 ms	308 KB	Output is correct
21	Correct	2 ms	304 KB	Output is correct
22	Correct	2 ms	208 KB	Output is correct
23	Correct	20 ms	312 KB	Output is correct
24	Correct	8 ms	208 KB	Output is correct
25	Correct	26 ms	316 KB	Output is correct
26	Correct	13 ms	308 KB	Output is correct
27	Correct	20 ms	208 KB	Output is correct
28	Correct	7 ms	308 KB	Output is correct
29	Correct	14 ms	308 KB	Output is correct
30	Correct	21 ms	312 KB	Output is correct
31	Correct	28 ms	304 KB	Output is correct
32	Correct	27 ms	312 KB	Output is correct
33	Correct	27 ms	304 KB	Output is correct
34	Correct	20 ms	320 KB	Output is correct
35	Correct	19 ms	312 KB	Output is correct
36	Correct	21 ms	312 KB	Output is correct
37	Correct	20 ms	308 KB	Output is correct
38	Correct	15 ms	308 KB	Output is correct
39	Correct	25 ms	304 KB	Output is correct
40	Correct	8 ms	312 KB	Output is correct
41	Correct	7 ms	288 KB	Output is correct

Subtask #3
74.79 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	300 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	52 ms	316 KB	Output is correct
8	Correct	14 ms	320 KB	Output is correct
9	Correct	37 ms	316 KB	Output is correct
10	Correct	36 ms	316 KB	Output is correct
11	Correct	20 ms	332 KB	Output is correct
12	Correct	27 ms	316 KB	Output is correct
13	Correct	45 ms	320 KB	Output is correct
14	Correct	37 ms	320 KB	Output is correct
15	Correct	37 ms	312 KB	Output is correct
16	Correct	47 ms	320 KB	Output is correct
17	Correct	37 ms	324 KB	Output is correct
18	Correct	30 ms	332 KB	Output is correct
19	Correct	47 ms	316 KB	Output is correct
20	Correct	37 ms	316 KB	Output is correct
21	Correct	38 ms	316 KB	Output is correct
22	Correct	48 ms	324 KB	Output is correct
23	Correct	51 ms	316 KB	Output is correct
24	Correct	30 ms	312 KB	Output is correct
25	Correct	24 ms	312 KB	Output is correct
26	Correct	16 ms	304 KB	Output is correct
27	Correct	35 ms	308 KB	Output is correct
28	Correct	39 ms	308 KB	Output is correct
29	Correct	32 ms	324 KB	Output is correct
30	Correct	43 ms	308 KB	Output is correct
31	Correct	33 ms	312 KB	Output is correct
32	Correct	40 ms	328 KB	Output is correct
33	Partially correct	41 ms	332 KB	Output is partially correct
34	Partially correct	46 ms	324 KB	Output is partially correct
35	Correct	37 ms	312 KB	Output is correct
36	Correct	21 ms	312 KB	Output is correct
37	Correct	35 ms	208 KB	Output is correct
38	Correct	26 ms	316 KB	Output is correct
39	Correct	43 ms	208 KB	Output is correct
40	Correct	39 ms	300 KB	Output is correct
41	Correct	33 ms	320 KB	Output is correct
42	Correct	30 ms	304 KB	Output is correct
43	Correct	11 ms	208 KB	Output is correct
44	Correct	33 ms	208 KB	Output is correct
45	Correct	53 ms	312 KB	Output is correct
46	Correct	21 ms	320 KB	Output is correct
47	Correct	17 ms	436 KB	Output is correct
48	Correct	26 ms	316 KB	Output is correct

Submission #825983

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.79 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.79 / 75.0