Submission #1057087

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1057087	2024-08-13T14:03:03 Z	vjudge1	Rarest Insects (IOI22_insects)	C++17	99.56 / 100	299 ms	876 KB

insects

#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

using vi = vector<int>;
using ii = pair<int, int>;

set<int> Cur, Vreau;

void movein2(int v) {
    Vreau.insert(v);
}
void moveout2(int v) {
    Vreau.erase(v);
}

int press2() {
    vi scos, add;
    for(auto it : Cur) {
        if(!Vreau.count(it)) scos.push_back(it);
    }
    for(auto it : Vreau)
        if(!Cur.count(it)) add.push_back(it);
    for(auto it : add) move_inside(it);
    for(auto it : scos) move_outside(it);

    Cur = Vreau;
    return press_button();
}

int min_cardinality(int n) {
    int d = 0;
    vi Cul;
    for(int i = 0; i < n; ++i) {
        movein2(i);
        if(press2() == 1) {
            Cul.push_back(i);
            ++d;
        }
        else moveout2(i);
    }
    for(auto it : Cul) moveout2(it);

    int re = 0;
    int st = 0, dr = n / d, mij;
    set<int> S;
    for(int i = 0; i < n; ++i) S.insert(i);
    while(st < dr) {
        mij = (st + dr + 1) / 2;
        if(d > S.size()) {
            st = dr = 0;
            break; // exista 0!
        }
        set<int> I;
        for(auto it : S) {
            movein2(it);
            if(press2() == mij + 1) {
                moveout2(it);
            } else {
                I.insert(it);
            }
        }

        if(I.size() == d * mij) {
            for(auto it : I) {
                S.erase(it);
            }
            re += mij;
            st = 0;
            dr = dr - mij;
        } else {
            dr = mij - 1;
            S = I;
        }
        for(auto it : I) moveout2(it);
    }
    return re + st;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:51:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |         if(d > S.size()) {
      |            ~~^~~~~~~~~~
insects.cpp:65:21: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   65 |         if(I.size() == d * mij) {
      |            ~~~~~~~~~^~~~~~~~~~

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	3 ms	432 KB	Output is correct
7	Correct	3 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	5 ms	344 KB	Output is correct
10	Correct	3 ms	344 KB	Output is correct
11	Correct	2 ms	344 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	4 ms	440 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	4 ms	344 KB	Output is correct
18	Correct	3 ms	444 KB	Output is correct
19	Correct	3 ms	344 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	3 ms	344 KB	Output is correct
22	Correct	3 ms	460 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	3 ms	432 KB	Output is correct
7	Correct	3 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	5 ms	344 KB	Output is correct
10	Correct	3 ms	344 KB	Output is correct
11	Correct	2 ms	344 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	4 ms	440 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	4 ms	344 KB	Output is correct
18	Correct	3 ms	444 KB	Output is correct
19	Correct	3 ms	344 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	3 ms	344 KB	Output is correct
22	Correct	3 ms	460 KB	Output is correct
23	Correct	29 ms	536 KB	Output is correct
24	Correct	43 ms	772 KB	Output is correct
25	Correct	26 ms	436 KB	Output is correct
26	Correct	24 ms	340 KB	Output is correct
27	Correct	20 ms	432 KB	Output is correct
28	Correct	24 ms	740 KB	Output is correct
29	Correct	26 ms	344 KB	Output is correct
30	Correct	25 ms	344 KB	Output is correct
31	Correct	27 ms	344 KB	Output is correct
32	Correct	24 ms	592 KB	Output is correct
33	Correct	27 ms	688 KB	Output is correct
34	Correct	26 ms	344 KB	Output is correct
35	Correct	29 ms	436 KB	Output is correct
36	Correct	29 ms	344 KB	Output is correct
37	Correct	29 ms	444 KB	Output is correct
38	Correct	30 ms	548 KB	Output is correct
39	Correct	30 ms	600 KB	Output is correct
40	Correct	29 ms	516 KB	Output is correct
41	Correct	32 ms	592 KB	Output is correct

Subtask #3
74.56 / 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	1 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	96 ms	552 KB	Output is correct
8	Correct	299 ms	820 KB	Output is correct
9	Correct	117 ms	600 KB	Output is correct
10	Correct	88 ms	876 KB	Output is correct
11	Correct	51 ms	428 KB	Output is correct
12	Correct	95 ms	588 KB	Output is correct
13	Correct	87 ms	592 KB	Output is correct
14	Correct	89 ms	600 KB	Output is correct
15	Correct	96 ms	592 KB	Output is correct
16	Correct	103 ms	600 KB	Output is correct
17	Correct	102 ms	700 KB	Output is correct
18	Correct	96 ms	580 KB	Output is correct
19	Partially correct	115 ms	772 KB	Output is partially correct
20	Correct	94 ms	600 KB	Output is correct
21	Correct	101 ms	764 KB	Output is correct
22	Correct	104 ms	592 KB	Output is correct
23	Correct	98 ms	700 KB	Output is correct
24	Correct	102 ms	592 KB	Output is correct
25	Correct	120 ms	848 KB	Output is correct
26	Correct	143 ms	840 KB	Output is correct
27	Partially correct	102 ms	592 KB	Output is partially correct
28	Partially correct	105 ms	592 KB	Output is partially correct
29	Partially correct	89 ms	592 KB	Output is partially correct
30	Partially correct	105 ms	644 KB	Output is partially correct
31	Correct	98 ms	592 KB	Output is correct
32	Correct	97 ms	644 KB	Output is correct
33	Correct	98 ms	648 KB	Output is correct
34	Correct	125 ms	864 KB	Output is correct
35	Partially correct	100 ms	576 KB	Output is partially correct
36	Partially correct	98 ms	620 KB	Output is partially correct
37	Correct	85 ms	708 KB	Output is correct
38	Correct	105 ms	420 KB	Output is correct
39	Partially correct	120 ms	592 KB	Output is partially correct
40	Partially correct	101 ms	432 KB	Output is partially correct
41	Partially correct	107 ms	692 KB	Output is partially correct
42	Partially correct	104 ms	592 KB	Output is partially correct
43	Correct	6 ms	344 KB	Output is correct
44	Correct	36 ms	536 KB	Output is correct
45	Correct	100 ms	440 KB	Output is correct
46	Correct	63 ms	600 KB	Output is correct
47	Correct	125 ms	484 KB	Output is correct
48	Correct	103 ms	440 KB	Output is correct

Submission #1057087

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.56 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.56 / 75.0