Submission #92825

# Submission time Handle Problem Language Result Execution time Memory
92825 2019-01-05T08:42:12 Z SamAnd Bootfall (IZhO17_bootfall) C++17
28 / 100
200 ms 263168 KB
#include <bits/stdc++.h>
using namespace std;
const int N = 502;

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

int u[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][0] = 1;

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

    for (int i = 1; i <= n; ++i)
        memcpy(u[i], u[0], sizeof u[0]);

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

    if ((m % 2) == 1 || !u[0][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 && u[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:68:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < ans.size(); ++i)
                     ~~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 5 ms 4344 KB Output is correct
2 Correct 6 ms 6264 KB Output is correct
3 Correct 4 ms 3320 KB Output is correct
4 Correct 4 ms 4348 KB Output is correct
5 Correct 11 ms 12152 KB Output is correct
6 Correct 7 ms 8188 KB Output is correct
7 Correct 6 ms 6264 KB Output is correct
8 Correct 11 ms 12152 KB Output is correct
9 Correct 8 ms 10232 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 4344 KB Output is correct
2 Correct 6 ms 6264 KB Output is correct
3 Correct 4 ms 3320 KB Output is correct
4 Correct 4 ms 4348 KB Output is correct
5 Correct 11 ms 12152 KB Output is correct
6 Correct 7 ms 8188 KB Output is correct
7 Correct 6 ms 6264 KB Output is correct
8 Correct 11 ms 12152 KB Output is correct
9 Correct 8 ms 10232 KB Output is correct
10 Correct 22 ms 29944 KB Output is correct
11 Correct 22 ms 29988 KB Output is correct
12 Correct 21 ms 29944 KB Output is correct
13 Correct 19 ms 25948 KB Output is correct
14 Correct 23 ms 27896 KB Output is correct
15 Correct 24 ms 27896 KB Output is correct
16 Correct 22 ms 29944 KB Output is correct
17 Correct 13 ms 18040 KB Output is correct
18 Correct 19 ms 24060 KB Output is correct
19 Correct 19 ms 26104 KB Output is correct
20 Correct 22 ms 29944 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 4344 KB Output is correct
2 Correct 6 ms 6264 KB Output is correct
3 Correct 4 ms 3320 KB Output is correct
4 Correct 4 ms 4348 KB Output is correct
5 Correct 11 ms 12152 KB Output is correct
6 Correct 7 ms 8188 KB Output is correct
7 Correct 6 ms 6264 KB Output is correct
8 Correct 11 ms 12152 KB Output is correct
9 Correct 8 ms 10232 KB Output is correct
10 Correct 22 ms 29944 KB Output is correct
11 Correct 22 ms 29988 KB Output is correct
12 Correct 21 ms 29944 KB Output is correct
13 Correct 19 ms 25948 KB Output is correct
14 Correct 23 ms 27896 KB Output is correct
15 Correct 24 ms 27896 KB Output is correct
16 Correct 22 ms 29944 KB Output is correct
17 Correct 13 ms 18040 KB Output is correct
18 Correct 19 ms 24060 KB Output is correct
19 Correct 19 ms 26104 KB Output is correct
20 Correct 22 ms 29944 KB Output is correct
21 Correct 45 ms 63480 KB Output is correct
22 Correct 51 ms 73348 KB Output is correct
23 Correct 36 ms 49696 KB Output is correct
24 Correct 67 ms 93176 KB Output is correct
25 Correct 74 ms 93148 KB Output is correct
26 Correct 72 ms 99056 KB Output is correct
27 Correct 85 ms 99056 KB Output is correct
28 Correct 71 ms 99064 KB Output is correct
29 Correct 73 ms 99064 KB Output is correct
30 Correct 70 ms 98936 KB Output is correct
31 Correct 71 ms 99064 KB Output is correct
32 Correct 74 ms 98936 KB Output is correct
33 Correct 70 ms 99064 KB Output is correct
34 Correct 70 ms 99064 KB Output is correct
35 Correct 70 ms 98936 KB Output is correct
36 Correct 71 ms 98956 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 4344 KB Output is correct
2 Correct 6 ms 6264 KB Output is correct
3 Correct 4 ms 3320 KB Output is correct
4 Correct 4 ms 4348 KB Output is correct
5 Correct 11 ms 12152 KB Output is correct
6 Correct 7 ms 8188 KB Output is correct
7 Correct 6 ms 6264 KB Output is correct
8 Correct 11 ms 12152 KB Output is correct
9 Correct 8 ms 10232 KB Output is correct
10 Correct 22 ms 29944 KB Output is correct
11 Correct 22 ms 29988 KB Output is correct
12 Correct 21 ms 29944 KB Output is correct
13 Correct 19 ms 25948 KB Output is correct
14 Correct 23 ms 27896 KB Output is correct
15 Correct 24 ms 27896 KB Output is correct
16 Correct 22 ms 29944 KB Output is correct
17 Correct 13 ms 18040 KB Output is correct
18 Correct 19 ms 24060 KB Output is correct
19 Correct 19 ms 26104 KB Output is correct
20 Correct 22 ms 29944 KB Output is correct
21 Correct 45 ms 63480 KB Output is correct
22 Correct 51 ms 73348 KB Output is correct
23 Correct 36 ms 49696 KB Output is correct
24 Correct 67 ms 93176 KB Output is correct
25 Correct 74 ms 93148 KB Output is correct
26 Correct 72 ms 99056 KB Output is correct
27 Correct 85 ms 99056 KB Output is correct
28 Correct 71 ms 99064 KB Output is correct
29 Correct 73 ms 99064 KB Output is correct
30 Correct 70 ms 98936 KB Output is correct
31 Correct 71 ms 99064 KB Output is correct
32 Correct 74 ms 98936 KB Output is correct
33 Correct 70 ms 99064 KB Output is correct
34 Correct 70 ms 99064 KB Output is correct
35 Correct 70 ms 98936 KB Output is correct
36 Correct 71 ms 98956 KB Output is correct
37 Correct 155 ms 197872 KB Output is correct
38 Correct 148 ms 197892 KB Output is correct
39 Correct 192 ms 245240 KB Output is correct
40 Runtime error 200 ms 263168 KB Execution killed with signal 9 (could be triggered by violating memory limits)
41 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 4344 KB Output is correct
2 Correct 6 ms 6264 KB Output is correct
3 Correct 4 ms 3320 KB Output is correct
4 Correct 4 ms 4348 KB Output is correct
5 Correct 11 ms 12152 KB Output is correct
6 Correct 7 ms 8188 KB Output is correct
7 Correct 6 ms 6264 KB Output is correct
8 Correct 11 ms 12152 KB Output is correct
9 Correct 8 ms 10232 KB Output is correct
10 Correct 22 ms 29944 KB Output is correct
11 Correct 22 ms 29988 KB Output is correct
12 Correct 21 ms 29944 KB Output is correct
13 Correct 19 ms 25948 KB Output is correct
14 Correct 23 ms 27896 KB Output is correct
15 Correct 24 ms 27896 KB Output is correct
16 Correct 22 ms 29944 KB Output is correct
17 Correct 13 ms 18040 KB Output is correct
18 Correct 19 ms 24060 KB Output is correct
19 Correct 19 ms 26104 KB Output is correct
20 Correct 22 ms 29944 KB Output is correct
21 Correct 45 ms 63480 KB Output is correct
22 Correct 51 ms 73348 KB Output is correct
23 Correct 36 ms 49696 KB Output is correct
24 Correct 67 ms 93176 KB Output is correct
25 Correct 74 ms 93148 KB Output is correct
26 Correct 72 ms 99056 KB Output is correct
27 Correct 85 ms 99056 KB Output is correct
28 Correct 71 ms 99064 KB Output is correct
29 Correct 73 ms 99064 KB Output is correct
30 Correct 70 ms 98936 KB Output is correct
31 Correct 71 ms 99064 KB Output is correct
32 Correct 74 ms 98936 KB Output is correct
33 Correct 70 ms 99064 KB Output is correct
34 Correct 70 ms 99064 KB Output is correct
35 Correct 70 ms 98936 KB Output is correct
36 Correct 71 ms 98956 KB Output is correct
37 Correct 155 ms 197872 KB Output is correct
38 Correct 148 ms 197892 KB Output is correct
39 Correct 192 ms 245240 KB Output is correct
40 Runtime error 200 ms 263168 KB Execution killed with signal 9 (could be triggered by violating memory limits)
41 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 4344 KB Output is correct
2 Correct 6 ms 6264 KB Output is correct
3 Correct 4 ms 3320 KB Output is correct
4 Correct 4 ms 4348 KB Output is correct
5 Correct 11 ms 12152 KB Output is correct
6 Correct 7 ms 8188 KB Output is correct
7 Correct 6 ms 6264 KB Output is correct
8 Correct 11 ms 12152 KB Output is correct
9 Correct 8 ms 10232 KB Output is correct
10 Correct 22 ms 29944 KB Output is correct
11 Correct 22 ms 29988 KB Output is correct
12 Correct 21 ms 29944 KB Output is correct
13 Correct 19 ms 25948 KB Output is correct
14 Correct 23 ms 27896 KB Output is correct
15 Correct 24 ms 27896 KB Output is correct
16 Correct 22 ms 29944 KB Output is correct
17 Correct 13 ms 18040 KB Output is correct
18 Correct 19 ms 24060 KB Output is correct
19 Correct 19 ms 26104 KB Output is correct
20 Correct 22 ms 29944 KB Output is correct
21 Correct 45 ms 63480 KB Output is correct
22 Correct 51 ms 73348 KB Output is correct
23 Correct 36 ms 49696 KB Output is correct
24 Correct 67 ms 93176 KB Output is correct
25 Correct 74 ms 93148 KB Output is correct
26 Correct 72 ms 99056 KB Output is correct
27 Correct 85 ms 99056 KB Output is correct
28 Correct 71 ms 99064 KB Output is correct
29 Correct 73 ms 99064 KB Output is correct
30 Correct 70 ms 98936 KB Output is correct
31 Correct 71 ms 99064 KB Output is correct
32 Correct 74 ms 98936 KB Output is correct
33 Correct 70 ms 99064 KB Output is correct
34 Correct 70 ms 99064 KB Output is correct
35 Correct 70 ms 98936 KB Output is correct
36 Correct 71 ms 98956 KB Output is correct
37 Correct 155 ms 197872 KB Output is correct
38 Correct 148 ms 197892 KB Output is correct
39 Correct 192 ms 245240 KB Output is correct
40 Runtime error 200 ms 263168 KB Execution killed with signal 9 (could be triggered by violating memory limits)
41 Halted 0 ms 0 KB -