답안 #932554

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
932554	2024-02-23T15:36:41 Z	velislavgarkov	드문 곤충 (IOI22_insects)	C++17	99.18 / 100	44 ms	1100 KB

insects

#include "insects.h"
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
const int MAXN=1e4;
bool used[MAXN];
int perm[MAXN];
vector <int> last, removed;
int n, ss, d;
bool check(int x) {
    if (!last.empty()) last.clear();
    if (!removed.empty()) removed.clear();
    for (int i=0;i<n;i++) {
        int j=perm[i];
        if (used[j]) continue;
        move_inside(j);
        if (press_button()>x) {
            move_outside(j);
            removed.push_back(j);
        } else last.push_back(j);
    }
    if (ss+last.size()==d*x) return true;
    return false;
}
int min_cardinality(int N) {
    n=N;
    d=0;
    for (int i=0;i<n;i++) perm[i]=i;
    random_shuffle(perm,perm+n);
    for (int i=0;i<n;i++) {
        int j=perm[i];
        move_inside(j);
        if (press_button()>1) move_outside(j);
        else {
            used[j]=true;
            d++;
        }
    }
    ss=d;
    int l, r, mid;
    l=1; r=n/d+1;
    while (l<r-1) {
        mid=(l+r)/2;
        if (check(mid)) {
            l=mid;
            ss+=last.size();
            for (auto i:last) used[i]=true;
        } else {
            r=mid-1;
            for (auto i:removed) used[i]=true;
            for (auto i:last) move_outside(i);
        }
    }
    if (check(r)) return r;
    return l;
}

Compilation message

insects.cpp: In function 'bool check(int)':
insects.cpp:23:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |     if (ss+last.size()==d*x) return true;
      |         ~~~~~~~~~~~~~~^~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	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	2 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	2 ms	344 KB	Output is correct
9	Correct	3 ms	344 KB	Output is correct
10	Correct	2 ms	600 KB	Output is correct
11	Correct	2 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	2 ms	344 KB	Output is correct
14	Correct	3 ms	340 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	2 ms	344 KB	Output is correct
18	Correct	2 ms	344 KB	Output is correct
19	Correct	3 ms	344 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	2 ms	344 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	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	2 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	2 ms	344 KB	Output is correct
9	Correct	3 ms	344 KB	Output is correct
10	Correct	2 ms	600 KB	Output is correct
11	Correct	2 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	2 ms	344 KB	Output is correct
14	Correct	3 ms	340 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	2 ms	344 KB	Output is correct
18	Correct	2 ms	344 KB	Output is correct
19	Correct	3 ms	344 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	2 ms	344 KB	Output is correct
23	Correct	13 ms	452 KB	Output is correct
24	Correct	4 ms	344 KB	Output is correct
25	Correct	12 ms	704 KB	Output is correct
26	Correct	12 ms	852 KB	Output is correct
27	Correct	9 ms	856 KB	Output is correct
28	Correct	7 ms	444 KB	Output is correct
29	Correct	14 ms	600 KB	Output is correct
30	Correct	14 ms	852 KB	Output is correct
31	Correct	16 ms	600 KB	Output is correct
32	Correct	13 ms	600 KB	Output is correct
33	Correct	14 ms	600 KB	Output is correct
34	Correct	12 ms	600 KB	Output is correct
35	Correct	16 ms	448 KB	Output is correct
36	Correct	14 ms	600 KB	Output is correct
37	Correct	18 ms	600 KB	Output is correct
38	Correct	13 ms	700 KB	Output is correct
39	Correct	10 ms	452 KB	Output is correct
40	Correct	8 ms	448 KB	Output is correct
41	Correct	7 ms	600 KB	Output is correct

Subtask #3
74.18 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 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	29 ms	708 KB	Output is correct
8	Correct	9 ms	344 KB	Output is correct
9	Correct	32 ms	684 KB	Output is correct
10	Correct	26 ms	848 KB	Output is correct
11	Correct	22 ms	684 KB	Output is correct
12	Correct	13 ms	596 KB	Output is correct
13	Correct	25 ms	684 KB	Output is correct
14	Correct	23 ms	700 KB	Output is correct
15	Correct	34 ms	688 KB	Output is correct
16	Correct	44 ms	680 KB	Output is correct
17	Correct	41 ms	444 KB	Output is correct
18	Correct	25 ms	1100 KB	Output is correct
19	Partially correct	33 ms	700 KB	Output is partially correct
20	Correct	26 ms	688 KB	Output is correct
21	Correct	31 ms	688 KB	Output is correct
22	Partially correct	32 ms	680 KB	Output is partially correct
23	Correct	27 ms	428 KB	Output is correct
24	Correct	21 ms	592 KB	Output is correct
25	Correct	18 ms	452 KB	Output is correct
26	Correct	12 ms	448 KB	Output is correct
27	Correct	29 ms	600 KB	Output is correct
28	Correct	25 ms	680 KB	Output is correct
29	Partially correct	24 ms	848 KB	Output is partially correct
30	Partially correct	29 ms	592 KB	Output is partially correct
31	Correct	25 ms	688 KB	Output is correct
32	Correct	30 ms	940 KB	Output is correct
33	Correct	23 ms	708 KB	Output is correct
34	Correct	27 ms	712 KB	Output is correct
35	Partially correct	28 ms	704 KB	Output is partially correct
36	Partially correct	29 ms	436 KB	Output is partially correct
37	Correct	23 ms	444 KB	Output is correct
38	Correct	24 ms	600 KB	Output is correct
39	Correct	26 ms	700 KB	Output is correct
40	Correct	37 ms	680 KB	Output is correct
41	Partially correct	25 ms	848 KB	Output is partially correct
42	Partially correct	38 ms	940 KB	Output is partially correct
43	Correct	8 ms	440 KB	Output is correct
44	Correct	19 ms	452 KB	Output is correct
45	Correct	26 ms	956 KB	Output is correct
46	Correct	14 ms	592 KB	Output is correct
47	Correct	12 ms	600 KB	Output is correct
48	Correct	15 ms	440 KB	Output is correct

답안 #932554

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.18 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.18 / 75.0