답안 #331698

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
331698	2020-11-29T15:53:40 Z	vitkishloh228	Bootfall (IZhO17_bootfall)	C++14	28 / 100	13 ms	748 KB

bootfall

#include<iostream>
#include<vector>
#include<algorithm>
#include<bitset>
using namespace std;
const int maxc = 30000;
int S;
bitset<maxc> ans, q;
vector<int> a;
void solve(int l,int r,bitset<maxc> b) {
    if (l == r) {
        q.reset();
        for (int j = 0; j < maxc; ++j) {
            int needsum = (S - 2 * j - a[l]);
            if (needsum < 0) continue;
            if (b[j]) {
                q[needsum] = 1;
            }
        }
        ans &= q;
        return;
    }
    int m = (l + r) >> 1;
    bitset<maxc> l1, r1;
    l1 = b;
    r1 = b;
    for (int i = l; i <= m; ++i) {
        l1 |= l1 << a[i];
    }
    for (int i = m + 1; i <= r; ++i) {
        r1 |= r1 << a[i];
    }
    solve(l, m, r1);
    solve(m + 1, r, l1);
}
int main() {
    int n;
    cin >> n;
    a.resize(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
        S += a[i];
    }
    for (int i = 0; i < maxc; ++i) ans[i] = 1;
    bitset<maxc> cur;
    cur[0] = 1;
    solve(0, n - 1, cur);
    for (int i = 0; i < n; ++i) {
        cur |= cur << a[i];
    }
    if (S % 2 || !cur[S / 2]) {
        cout << 0;
        return 0;
    }
    vector<int> answer;
    for (int i = 1; i < maxc; ++i) {
        if (ans[i]) answer.push_back(i);
    }
    cout << answer.size() << '\n';
    for (auto elem : answer) cout << elem << ' ';
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	2 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	2 ms	364 KB	Output is correct
14	Correct	2 ms	492 KB	Output is correct
15	Correct	2 ms	364 KB	Output is correct
16	Correct	2 ms	364 KB	Output is correct
17	Correct	2 ms	364 KB	Output is correct
18	Correct	2 ms	364 KB	Output is correct
19	Correct	2 ms	364 KB	Output is correct
20	Correct	2 ms	364 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	2 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	2 ms	364 KB	Output is correct
14	Correct	2 ms	492 KB	Output is correct
15	Correct	2 ms	364 KB	Output is correct
16	Correct	2 ms	364 KB	Output is correct
17	Correct	2 ms	364 KB	Output is correct
18	Correct	2 ms	364 KB	Output is correct
19	Correct	2 ms	364 KB	Output is correct
20	Correct	2 ms	364 KB	Output is correct
21	Correct	4 ms	492 KB	Output is correct
22	Correct	4 ms	512 KB	Output is correct
23	Correct	3 ms	492 KB	Output is correct
24	Correct	5 ms	492 KB	Output is correct
25	Correct	5 ms	492 KB	Output is correct
26	Correct	6 ms	492 KB	Output is correct
27	Correct	5 ms	492 KB	Output is correct
28	Correct	5 ms	492 KB	Output is correct
29	Correct	5 ms	492 KB	Output is correct
30	Correct	5 ms	492 KB	Output is correct
31	Correct	6 ms	492 KB	Output is correct
32	Correct	6 ms	492 KB	Output is correct
33	Correct	5 ms	492 KB	Output is correct
34	Correct	5 ms	492 KB	Output is correct
35	Correct	5 ms	492 KB	Output is correct
36	Correct	5 ms	492 KB	Output is correct

Subtask #4
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	2 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	2 ms	364 KB	Output is correct
14	Correct	2 ms	492 KB	Output is correct
15	Correct	2 ms	364 KB	Output is correct
16	Correct	2 ms	364 KB	Output is correct
17	Correct	2 ms	364 KB	Output is correct
18	Correct	2 ms	364 KB	Output is correct
19	Correct	2 ms	364 KB	Output is correct
20	Correct	2 ms	364 KB	Output is correct
21	Correct	4 ms	492 KB	Output is correct
22	Correct	4 ms	512 KB	Output is correct
23	Correct	3 ms	492 KB	Output is correct
24	Correct	5 ms	492 KB	Output is correct
25	Correct	5 ms	492 KB	Output is correct
26	Correct	6 ms	492 KB	Output is correct
27	Correct	5 ms	492 KB	Output is correct
28	Correct	5 ms	492 KB	Output is correct
29	Correct	5 ms	492 KB	Output is correct
30	Correct	5 ms	492 KB	Output is correct
31	Correct	6 ms	492 KB	Output is correct
32	Correct	6 ms	492 KB	Output is correct
33	Correct	5 ms	492 KB	Output is correct
34	Correct	5 ms	492 KB	Output is correct
35	Correct	5 ms	492 KB	Output is correct
36	Correct	5 ms	492 KB	Output is correct
37	Correct	12 ms	748 KB	Output is correct
38	Correct	13 ms	620 KB	Output is correct
39	Incorrect	11 ms	492 KB	Output isn't correct
40	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	2 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	2 ms	364 KB	Output is correct
14	Correct	2 ms	492 KB	Output is correct
15	Correct	2 ms	364 KB	Output is correct
16	Correct	2 ms	364 KB	Output is correct
17	Correct	2 ms	364 KB	Output is correct
18	Correct	2 ms	364 KB	Output is correct
19	Correct	2 ms	364 KB	Output is correct
20	Correct	2 ms	364 KB	Output is correct
21	Correct	4 ms	492 KB	Output is correct
22	Correct	4 ms	512 KB	Output is correct
23	Correct	3 ms	492 KB	Output is correct
24	Correct	5 ms	492 KB	Output is correct
25	Correct	5 ms	492 KB	Output is correct
26	Correct	6 ms	492 KB	Output is correct
27	Correct	5 ms	492 KB	Output is correct
28	Correct	5 ms	492 KB	Output is correct
29	Correct	5 ms	492 KB	Output is correct
30	Correct	5 ms	492 KB	Output is correct
31	Correct	6 ms	492 KB	Output is correct
32	Correct	6 ms	492 KB	Output is correct
33	Correct	5 ms	492 KB	Output is correct
34	Correct	5 ms	492 KB	Output is correct
35	Correct	5 ms	492 KB	Output is correct
36	Correct	5 ms	492 KB	Output is correct
37	Correct	12 ms	748 KB	Output is correct
38	Correct	13 ms	620 KB	Output is correct
39	Incorrect	11 ms	492 KB	Output isn't correct
40	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	2 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	2 ms	364 KB	Output is correct
14	Correct	2 ms	492 KB	Output is correct
15	Correct	2 ms	364 KB	Output is correct
16	Correct	2 ms	364 KB	Output is correct
17	Correct	2 ms	364 KB	Output is correct
18	Correct	2 ms	364 KB	Output is correct
19	Correct	2 ms	364 KB	Output is correct
20	Correct	2 ms	364 KB	Output is correct
21	Correct	4 ms	492 KB	Output is correct
22	Correct	4 ms	512 KB	Output is correct
23	Correct	3 ms	492 KB	Output is correct
24	Correct	5 ms	492 KB	Output is correct
25	Correct	5 ms	492 KB	Output is correct
26	Correct	6 ms	492 KB	Output is correct
27	Correct	5 ms	492 KB	Output is correct
28	Correct	5 ms	492 KB	Output is correct
29	Correct	5 ms	492 KB	Output is correct
30	Correct	5 ms	492 KB	Output is correct
31	Correct	6 ms	492 KB	Output is correct
32	Correct	6 ms	492 KB	Output is correct
33	Correct	5 ms	492 KB	Output is correct
34	Correct	5 ms	492 KB	Output is correct
35	Correct	5 ms	492 KB	Output is correct
36	Correct	5 ms	492 KB	Output is correct
37	Correct	12 ms	748 KB	Output is correct
38	Correct	13 ms	620 KB	Output is correct
39	Incorrect	11 ms	492 KB	Output isn't correct
40	Halted	0 ms	0 KB	-

답안 #331698

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 0 / 16.0

Subtask #5 0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0