답안 #230654

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
230654	2020-05-10T21:32:23 Z	johutha	Bootfall (IZhO17_bootfall)	C++17	13 / 100	11 ms	384 KB

bootfall

#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>
#include <cassert>

#define int int64_t

using namespace std;

signed main()
{
    int n;
    cin >> n;

    vector<int> v(n);

    for (int i = 0; i < n; i++) cin >> v[i];

    int m = accumulate(v.begin(), v.end(), 0);
    vector<int> dp(m + 1);
    dp[0] = 1;

    for (int i = 0; i < n; i++)
    {
        for (int j = m; j >= v[i]; j--) dp[j] += dp[j - v[i]];
    }

    if (m % 2 == 1 || dp[m/2] == 0)
    {
        cout << "0\n";
        return 0;
    }

    vector<bool> res(m + 1, true);

    for (int i = 0; i < n; i++)
    {
        vector<int> poss(m + 1);
        for (int j = 0; j <= m; j++)
        {
            poss[j] = dp[j] - (j >= v[i] ? poss[j - v[i]] : 0);
        }
        for (int j = 0; j <= m; j++)
        {
            if ((m - v[i] + j) & 1) res[j] = false;
            else res[j] = res[j] & (poss[(m - v[i] + j) / 2] > 0);
        }
    }

    int r = count(res.begin() + 1, res.end(), true);
    cout << r << "\n";
    for (int i = 1; i <= m; i++) if (res[i]) cout << i << " ";
    cout << "\n";
}

Subtask #1

6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	256 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	256 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	11 ms	256 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct

Subtask #3

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	256 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	11 ms	256 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	6 ms	384 KB	Output is correct
22	Incorrect	6 ms	384 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #4

0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	256 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	11 ms	256 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	6 ms	384 KB	Output is correct
22	Incorrect	6 ms	384 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #5

0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	256 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	11 ms	256 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	6 ms	384 KB	Output is correct
22	Incorrect	6 ms	384 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #6

0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	256 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	11 ms	256 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	6 ms	384 KB	Output is correct
22	Incorrect	6 ms	384 KB	Output isn't correct
23	Halted	0 ms	0 KB	-