oj.uz

Submission #92828

# Submission time Handle Problem Language Result Execution time Memory
92828 2019-01-05T08:49:29 Z SamAnd Bootfall (IZhO17_bootfall) C++17
100 / 100
 620 ms 124876 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 502;

int n;
int a[N];
int m;

int u[N * N];
int uu[N * N];
bool t[N][N * N];

int main()
{
    //freopen("input2.txt", "r", stdin);
    cin >> n;
    for (int i = 1; i <= n; ++i)
    {
        cin >> a[i];
        m += a[i];
    }

    u[0] = 1;

    for (int i = 1; i <= n; ++i)
    {
        for (int j = m; j >= 0; --j)
        {
            if (j + a[i] <= m)
                u[j + a[i]] += u[j];
        }
    }

    for (int i = 1; i <= n; ++i)
    {
        memcpy(uu, u, sizeof u);
        for (int j = 0; j <= m; ++j)
        {
            if (j + a[i] <= m)
                uu[j + a[i]] -= uu[j];
        }
        for (int j = 0; j <= m; ++j)
        {
            if (uu[j])
                t[i][j] = true;
        }
    }

    if ((m % 2) == 1 || !u[m / 2])
    {
        cout << 0 << endl;
        return 0;
    }

    vector<int> ans;
    for (int x = 1; x <= m; ++x)
    {
        bool z = true;
        for (int i = 1; i <= n; ++i)
        {
            int y = (m - a[i] + x) / 2;
            if (!((m - a[i] + x) % 2 == 0 && y <= m && t[i][y]))
            {
                z = false;
                break;
            }
        }
        if (z)
            ans.push_back(x);
    }

    cout << ans.size() << endl;
    for (int i = 0; i < ans.size(); ++i)
        cout << ans[i] << ' ';
    cout << endl;

    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < ans.size(); ++i)
                     ~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1400 KB Output is correct
2 Correct 3 ms 1404 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1400 KB Output is correct
2 Correct 3 ms 1404 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct
10 Correct 5 ms 1400 KB Output is correct
11 Correct 5 ms 1400 KB Output is correct
12 Correct 5 ms 1400 KB Output is correct
13 Correct 5 ms 1404 KB Output is correct
14 Correct 5 ms 1400 KB Output is correct
15 Correct 5 ms 1404 KB Output is correct
16 Correct 5 ms 1528 KB Output is correct
17 Correct 4 ms 1400 KB Output is correct
18 Correct 4 ms 1400 KB Output is correct
19 Correct 4 ms 1400 KB Output is correct
20 Correct 5 ms 1528 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1400 KB Output is correct
2 Correct 3 ms 1404 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct
10 Correct 5 ms 1400 KB Output is correct
11 Correct 5 ms 1400 KB Output is correct
12 Correct 5 ms 1400 KB Output is correct
13 Correct 5 ms 1404 KB Output is correct
14 Correct 5 ms 1400 KB Output is correct
15 Correct 5 ms 1404 KB Output is correct
16 Correct 5 ms 1528 KB Output is correct
17 Correct 4 ms 1400 KB Output is correct
18 Correct 4 ms 1400 KB Output is correct
19 Correct 4 ms 1400 KB Output is correct
20 Correct 5 ms 1528 KB Output is correct
21 Correct 8 ms 1788 KB Output is correct
22 Correct 9 ms 1912 KB Output is correct
23 Correct 7 ms 1720 KB Output is correct
24 Correct 11 ms 2172 KB Output is correct
25 Correct 13 ms 2680 KB Output is correct
26 Correct 13 ms 2808 KB Output is correct
27 Correct 12 ms 2680 KB Output is correct
28 Correct 13 ms 2680 KB Output is correct
29 Correct 12 ms 2680 KB Output is correct
30 Correct 11 ms 2296 KB Output is correct
31 Correct 12 ms 2552 KB Output is correct
32 Correct 12 ms 2296 KB Output is correct
33 Correct 12 ms 2808 KB Output is correct
34 Correct 12 ms 2680 KB Output is correct
35 Correct 12 ms 2684 KB Output is correct
36 Correct 11 ms 2276 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1400 KB Output is correct
2 Correct 3 ms 1404 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct
10 Correct 5 ms 1400 KB Output is correct
11 Correct 5 ms 1400 KB Output is correct
12 Correct 5 ms 1400 KB Output is correct
13 Correct 5 ms 1404 KB Output is correct
14 Correct 5 ms 1400 KB Output is correct
15 Correct 5 ms 1404 KB Output is correct
16 Correct 5 ms 1528 KB Output is correct
17 Correct 4 ms 1400 KB Output is correct
18 Correct 4 ms 1400 KB Output is correct
19 Correct 4 ms 1400 KB Output is correct
20 Correct 5 ms 1528 KB Output is correct
21 Correct 8 ms 1788 KB Output is correct
22 Correct 9 ms 1912 KB Output is correct
23 Correct 7 ms 1720 KB Output is correct
24 Correct 11 ms 2172 KB Output is correct
25 Correct 13 ms 2680 KB Output is correct
26 Correct 13 ms 2808 KB Output is correct
27 Correct 12 ms 2680 KB Output is correct
28 Correct 13 ms 2680 KB Output is correct
29 Correct 12 ms 2680 KB Output is correct
30 Correct 11 ms 2296 KB Output is correct
31 Correct 12 ms 2552 KB Output is correct
32 Correct 12 ms 2296 KB Output is correct
33 Correct 12 ms 2808 KB Output is correct
34 Correct 12 ms 2680 KB Output is correct
35 Correct 12 ms 2684 KB Output is correct
36 Correct 11 ms 2276 KB Output is correct
37 Correct 33 ms 6264 KB Output is correct
38 Correct 35 ms 6264 KB Output is correct
39 Correct 68 ms 17632 KB Output is correct
40 Correct 62 ms 11384 KB Output is correct
41 Correct 83 ms 21924 KB Output is correct
42 Correct 54 ms 10104 KB Output is correct
43 Correct 83 ms 16124 KB Output is correct
44 Correct 87 ms 16612 KB Output is correct
45 Correct 91 ms 16760 KB Output is correct
46 Correct 46 ms 11000 KB Output is correct
47 Correct 59 ms 10744 KB Output is correct
48 Correct 86 ms 18040 KB Output is correct
49 Correct 71 ms 17784 KB Output is correct
50 Correct 59 ms 10744 KB Output is correct
51 Correct 42 ms 10204 KB Output is correct
52 Correct 113 ms 21624 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1400 KB Output is correct
2 Correct 3 ms 1404 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct
10 Correct 5 ms 1400 KB Output is correct
11 Correct 5 ms 1400 KB Output is correct
12 Correct 5 ms 1400 KB Output is correct
13 Correct 5 ms 1404 KB Output is correct
14 Correct 5 ms 1400 KB Output is correct
15 Correct 5 ms 1404 KB Output is correct
16 Correct 5 ms 1528 KB Output is correct
17 Correct 4 ms 1400 KB Output is correct
18 Correct 4 ms 1400 KB Output is correct
19 Correct 4 ms 1400 KB Output is correct
20 Correct 5 ms 1528 KB Output is correct
21 Correct 8 ms 1788 KB Output is correct
22 Correct 9 ms 1912 KB Output is correct
23 Correct 7 ms 1720 KB Output is correct
24 Correct 11 ms 2172 KB Output is correct
25 Correct 13 ms 2680 KB Output is correct
26 Correct 13 ms 2808 KB Output is correct
27 Correct 12 ms 2680 KB Output is correct
28 Correct 13 ms 2680 KB Output is correct
29 Correct 12 ms 2680 KB Output is correct
30 Correct 11 ms 2296 KB Output is correct
31 Correct 12 ms 2552 KB Output is correct
32 Correct 12 ms 2296 KB Output is correct
33 Correct 12 ms 2808 KB Output is correct
34 Correct 12 ms 2680 KB Output is correct
35 Correct 12 ms 2684 KB Output is correct
36 Correct 11 ms 2276 KB Output is correct
37 Correct 33 ms 6264 KB Output is correct
38 Correct 35 ms 6264 KB Output is correct
39 Correct 68 ms 17632 KB Output is correct
40 Correct 62 ms 11384 KB Output is correct
41 Correct 83 ms 21924 KB Output is correct
42 Correct 54 ms 10104 KB Output is correct
43 Correct 83 ms 16124 KB Output is correct
44 Correct 87 ms 16612 KB Output is correct
45 Correct 91 ms 16760 KB Output is correct
46 Correct 46 ms 11000 KB Output is correct
47 Correct 59 ms 10744 KB Output is correct
48 Correct 86 ms 18040 KB Output is correct
49 Correct 71 ms 17784 KB Output is correct
50 Correct 59 ms 10744 KB Output is correct
51 Correct 42 ms 10204 KB Output is correct
52 Correct 113 ms 21624 KB Output is correct
53 Correct 89 ms 16604 KB Output is correct
54 Correct 120 ms 22360 KB Output is correct
55 Correct 201 ms 41748 KB Output is correct
56 Correct 110 ms 19932 KB Output is correct
57 Correct 222 ms 43900 KB Output is correct
58 Correct 133 ms 24428 KB Output is correct
59 Correct 164 ms 29708 KB Output is correct
60 Correct 87 ms 24056 KB Output is correct
61 Correct 170 ms 32948 KB Output is correct
62 Correct 171 ms 33636 KB Output is correct
63 Correct 183 ms 36172 KB Output is correct
64 Correct 183 ms 34956 KB Output is correct
65 Correct 73 ms 17784 KB Output is correct
66 Correct 80 ms 19064 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1400 KB Output is correct
2 Correct 3 ms 1404 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct
10 Correct 5 ms 1400 KB Output is correct
11 Correct 5 ms 1400 KB Output is correct
12 Correct 5 ms 1400 KB Output is correct
13 Correct 5 ms 1404 KB Output is correct
14 Correct 5 ms 1400 KB Output is correct
15 Correct 5 ms 1404 KB Output is correct
16 Correct 5 ms 1528 KB Output is correct
17 Correct 4 ms 1400 KB Output is correct
18 Correct 4 ms 1400 KB Output is correct
19 Correct 4 ms 1400 KB Output is correct
20 Correct 5 ms 1528 KB Output is correct
21 Correct 8 ms 1788 KB Output is correct
22 Correct 9 ms 1912 KB Output is correct
23 Correct 7 ms 1720 KB Output is correct
24 Correct 11 ms 2172 KB Output is correct
25 Correct 13 ms 2680 KB Output is correct
26 Correct 13 ms 2808 KB Output is correct
27 Correct 12 ms 2680 KB Output is correct
28 Correct 13 ms 2680 KB Output is correct
29 Correct 12 ms 2680 KB Output is correct
30 Correct 11 ms 2296 KB Output is correct
31 Correct 12 ms 2552 KB Output is correct
32 Correct 12 ms 2296 KB Output is correct
33 Correct 12 ms 2808 KB Output is correct
34 Correct 12 ms 2680 KB Output is correct
35 Correct 12 ms 2684 KB Output is correct
36 Correct 11 ms 2276 KB Output is correct
37 Correct 33 ms 6264 KB Output is correct
38 Correct 35 ms 6264 KB Output is correct
39 Correct 68 ms 17632 KB Output is correct
40 Correct 62 ms 11384 KB Output is correct
41 Correct 83 ms 21924 KB Output is correct
42 Correct 54 ms 10104 KB Output is correct
43 Correct 83 ms 16124 KB Output is correct
44 Correct 87 ms 16612 KB Output is correct
45 Correct 91 ms 16760 KB Output is correct
46 Correct 46 ms 11000 KB Output is correct
47 Correct 59 ms 10744 KB Output is correct
48 Correct 86 ms 18040 KB Output is correct
49 Correct 71 ms 17784 KB Output is correct
50 Correct 59 ms 10744 KB Output is correct
51 Correct 42 ms 10204 KB Output is correct
52 Correct 113 ms 21624 KB Output is correct
53 Correct 89 ms 16604 KB Output is correct
54 Correct 120 ms 22360 KB Output is correct
55 Correct 201 ms 41748 KB Output is correct
56 Correct 110 ms 19932 KB Output is correct
57 Correct 222 ms 43900 KB Output is correct
58 Correct 133 ms 24428 KB Output is correct
59 Correct 164 ms 29708 KB Output is correct
60 Correct 87 ms 24056 KB Output is correct
61 Correct 170 ms 32948 KB Output is correct
62 Correct 171 ms 33636 KB Output is correct
63 Correct 183 ms 36172 KB Output is correct
64 Correct 183 ms 34956 KB Output is correct
65 Correct 73 ms 17784 KB Output is correct
66 Correct 80 ms 19064 KB Output is correct
67 Correct 173 ms 35072 KB Output is correct
68 Correct 204 ms 64120 KB Output is correct
69 Correct 497 ms 108812 KB Output is correct
70 Correct 324 ms 67316 KB Output is correct
71 Correct 332 ms 65384 KB Output is correct
72 Correct 201 ms 65144 KB Output is correct
73 Correct 243 ms 64728 KB Output is correct
74 Correct 547 ms 114392 KB Output is correct
75 Correct 436 ms 89888 KB Output is correct
76 Correct 553 ms 124876 KB Output is correct
77 Correct 620 ms 121464 KB Output is correct