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Submission #211306

# Submission time Handle Problem Language Result Execution time Memory
211306 2020-03-20T03:00:56 Z a14789654 Bootfall (IZhO17_bootfall) C++17
100 / 100
 367 ms 3568 KB 
#include <bits/stdc++.h>

using namespace std;

const int maxn = 507;

int D[maxn * maxn], a[maxn];

int main()
{
//    freopen("TEST.INP", "r", stdin);
//    freopen("TEST.OUT", "w", stdout);
    int n, sum = 0;
    cin >> n;
    for (int i = 1; i <= n; ++i)
        cin >> a[i], sum += a[i];

    D[0] = 1;
    for (int i = 1; i <= n; ++i)
        for (int j = sum / 2; j >= 0; --j)
            D[j + a[i]] += D[j];

    if ((sum & 1) || !D[sum / 2]) return cout << 0, 0;

    vector <int> cnt(sum + 1);
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 0; j <= sum; ++j)
            D[j + a[i]] -= D[j];

        for (int j = 1; j <= sum; ++j)
        {
            int val = sum - a[i] + j;
            cnt[j] += (val / 2 - j >= 0 && 1 - val % 2 && D[val / 2 - j]);
        }

        for (int j = sum / 2; j >= 0; --j)
            D[j + a[i]] += D[j];
    }

    vector <int> ans;
    for (int i = 1; i <= sum; ++i)
        if (cnt[i] == n) ans.push_back(i);

    cout << (int)ans.size() << '\n';
    for (int x: ans) cout << x << ' ';
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 256 KB Output is correct
20 Correct 4 ms 256 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 256 KB Output is correct
20 Correct 4 ms 256 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 7 ms 384 KB Output is correct
25 Correct 7 ms 544 KB Output is correct
26 Correct 8 ms 512 KB Output is correct
27 Correct 7 ms 384 KB Output is correct
28 Correct 7 ms 384 KB Output is correct
29 Correct 7 ms 384 KB Output is correct
30 Correct 6 ms 384 KB Output is correct
31 Correct 7 ms 512 KB Output is correct
32 Correct 6 ms 384 KB Output is correct
33 Correct 7 ms 384 KB Output is correct
34 Correct 7 ms 384 KB Output is correct
35 Correct 7 ms 384 KB Output is correct
36 Correct 6 ms 384 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 256 KB Output is correct
20 Correct 4 ms 256 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 7 ms 384 KB Output is correct
25 Correct 7 ms 544 KB Output is correct
26 Correct 8 ms 512 KB Output is correct
27 Correct 7 ms 384 KB Output is correct
28 Correct 7 ms 384 KB Output is correct
29 Correct 7 ms 384 KB Output is correct
30 Correct 6 ms 384 KB Output is correct
31 Correct 7 ms 512 KB Output is correct
32 Correct 6 ms 384 KB Output is correct
33 Correct 7 ms 384 KB Output is correct
34 Correct 7 ms 384 KB Output is correct
35 Correct 7 ms 384 KB Output is correct
36 Correct 6 ms 384 KB Output is correct
37 Correct 17 ms 640 KB Output is correct
38 Correct 17 ms 672 KB Output is correct
39 Correct 50 ms 768 KB Output is correct
40 Correct 31 ms 768 KB Output is correct
41 Correct 61 ms 896 KB Output is correct
42 Correct 28 ms 768 KB Output is correct
43 Correct 46 ms 1144 KB Output is correct
44 Correct 49 ms 1144 KB Output is correct
45 Correct 48 ms 1144 KB Output is correct
46 Correct 29 ms 512 KB Output is correct
47 Correct 30 ms 760 KB Output is correct
48 Correct 51 ms 1144 KB Output is correct
49 Correct 50 ms 888 KB Output is correct
50 Correct 30 ms 760 KB Output is correct
51 Correct 8 ms 384 KB Output is correct
52 Correct 62 ms 1272 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 256 KB Output is correct
20 Correct 4 ms 256 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 7 ms 384 KB Output is correct
25 Correct 7 ms 544 KB Output is correct
26 Correct 8 ms 512 KB Output is correct
27 Correct 7 ms 384 KB Output is correct
28 Correct 7 ms 384 KB Output is correct
29 Correct 7 ms 384 KB Output is correct
30 Correct 6 ms 384 KB Output is correct
31 Correct 7 ms 512 KB Output is correct
32 Correct 6 ms 384 KB Output is correct
33 Correct 7 ms 384 KB Output is correct
34 Correct 7 ms 384 KB Output is correct
35 Correct 7 ms 384 KB Output is correct
36 Correct 6 ms 384 KB Output is correct
37 Correct 17 ms 640 KB Output is correct
38 Correct 17 ms 672 KB Output is correct
39 Correct 50 ms 768 KB Output is correct
40 Correct 31 ms 768 KB Output is correct
41 Correct 61 ms 896 KB Output is correct
42 Correct 28 ms 768 KB Output is correct
43 Correct 46 ms 1144 KB Output is correct
44 Correct 49 ms 1144 KB Output is correct
45 Correct 48 ms 1144 KB Output is correct
46 Correct 29 ms 512 KB Output is correct
47 Correct 30 ms 760 KB Output is correct
48 Correct 51 ms 1144 KB Output is correct
49 Correct 50 ms 888 KB Output is correct
50 Correct 30 ms 760 KB Output is correct
51 Correct 8 ms 384 KB Output is correct
52 Correct 62 ms 1272 KB Output is correct
53 Correct 46 ms 1020 KB Output is correct
54 Correct 63 ms 1144 KB Output is correct
55 Correct 129 ms 1780 KB Output is correct
56 Correct 58 ms 1204 KB Output is correct
57 Correct 128 ms 1908 KB Output is correct
58 Correct 70 ms 1272 KB Output is correct
59 Correct 89 ms 1396 KB Output is correct
60 Correct 11 ms 384 KB Output is correct
61 Correct 95 ms 1524 KB Output is correct
62 Correct 98 ms 1652 KB Output is correct
63 Correct 105 ms 1780 KB Output is correct
64 Correct 101 ms 1688 KB Output is correct
65 Correct 52 ms 760 KB Output is correct
66 Correct 54 ms 888 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 256 KB Output is correct
20 Correct 4 ms 256 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 7 ms 384 KB Output is correct
25 Correct 7 ms 544 KB Output is correct
26 Correct 8 ms 512 KB Output is correct
27 Correct 7 ms 384 KB Output is correct
28 Correct 7 ms 384 KB Output is correct
29 Correct 7 ms 384 KB Output is correct
30 Correct 6 ms 384 KB Output is correct
31 Correct 7 ms 512 KB Output is correct
32 Correct 6 ms 384 KB Output is correct
33 Correct 7 ms 384 KB Output is correct
34 Correct 7 ms 384 KB Output is correct
35 Correct 7 ms 384 KB Output is correct
36 Correct 6 ms 384 KB Output is correct
37 Correct 17 ms 640 KB Output is correct
38 Correct 17 ms 672 KB Output is correct
39 Correct 50 ms 768 KB Output is correct
40 Correct 31 ms 768 KB Output is correct
41 Correct 61 ms 896 KB Output is correct
42 Correct 28 ms 768 KB Output is correct
43 Correct 46 ms 1144 KB Output is correct
44 Correct 49 ms 1144 KB Output is correct
45 Correct 48 ms 1144 KB Output is correct
46 Correct 29 ms 512 KB Output is correct
47 Correct 30 ms 760 KB Output is correct
48 Correct 51 ms 1144 KB Output is correct
49 Correct 50 ms 888 KB Output is correct
50 Correct 30 ms 760 KB Output is correct
51 Correct 8 ms 384 KB Output is correct
52 Correct 62 ms 1272 KB Output is correct
53 Correct 46 ms 1020 KB Output is correct
54 Correct 63 ms 1144 KB Output is correct
55 Correct 129 ms 1780 KB Output is correct
56 Correct 58 ms 1204 KB Output is correct
57 Correct 128 ms 1908 KB Output is correct
58 Correct 70 ms 1272 KB Output is correct
59 Correct 89 ms 1396 KB Output is correct
60 Correct 11 ms 384 KB Output is correct
61 Correct 95 ms 1524 KB Output is correct
62 Correct 98 ms 1652 KB Output is correct
63 Correct 105 ms 1780 KB Output is correct
64 Correct 101 ms 1688 KB Output is correct
65 Correct 52 ms 760 KB Output is correct
66 Correct 54 ms 888 KB Output is correct
67 Correct 101 ms 1396 KB Output is correct
68 Correct 21 ms 512 KB Output is correct
69 Correct 320 ms 3184 KB Output is correct
70 Correct 200 ms 2164 KB Output is correct
71 Correct 189 ms 2036 KB Output is correct
72 Correct 184 ms 1280 KB Output is correct
73 Correct 188 ms 1400 KB Output is correct
74 Correct 336 ms 3312 KB Output is correct
75 Correct 265 ms 2800 KB Output is correct
76 Correct 367 ms 3440 KB Output is correct
77 Correct 363 ms 3568 KB Output is correct