oj.uz

Submission #172965

# Submission time Handle Problem Language Result Execution time Memory
172965 2020-01-02T21:11:27 Z VEGAnn Bootfall (IZhO17_bootfall) C++14
100 / 100
 725 ms 4096 KB 
#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define PB push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int N = 510;
const int N2 = N * N;
const int PW = 10;
const int VL = (1 << PW);
const int oo = 2e9;
const int K = 11;
const int md = int(1e9) + 7;
vector<int> ans, nw;
int f[N2], a[N], n, pref;

int sum(int x, int y){ return (x + y) % md; }

void BAD(){
    cout << 0;
    exit(0);
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

    cin >> n;

    f[0] = 1;

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

        pref += a[i];

        for (int j = pref; j >= a[i]; j--)
            f[j] = sum(f[j], f[j - a[i]]);
    }

    if (pref & 1) BAD();
    if (f[pref >> 1] == 0) BAD();

    ans.clear();
    for (int i = 1; i < N2; i++)
        ans.PB(i);

    for (int i = 0; i < n; i++){
        for (int j = a[i]; j <= pref; j++)
            f[j] = sum(f[j], md - f[j - a[i]]);

        nw.clear();
        for (int x : ans){
            int sm = pref - a[i] + x;
            if (sm & 1) continue;
            if (f[sm >> 1] == 0) continue;
            nw.PB(x);
        }

        ans = nw;

        for (int j = pref; j >= a[i]; j--)
            f[j] = sum(f[j], f[j - a[i]]);
    }

    cout << sz(ans) << '\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 1528 KB Output is correct
2 Correct 5 ms 1520 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 5 ms 1524 KB Output is correct
5 Correct 5 ms 1520 KB Output is correct
6 Correct 5 ms 1524 KB Output is correct
7 Correct 5 ms 1520 KB Output is correct
8 Correct 5 ms 1524 KB Output is correct
9 Correct 5 ms 1520 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1528 KB Output is correct
2 Correct 5 ms 1520 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 5 ms 1524 KB Output is correct
5 Correct 5 ms 1520 KB Output is correct
6 Correct 5 ms 1524 KB Output is correct
7 Correct 5 ms 1520 KB Output is correct
8 Correct 5 ms 1524 KB Output is correct
9 Correct 5 ms 1520 KB Output is correct
10 Correct 5 ms 1524 KB Output is correct
11 Correct 5 ms 1524 KB Output is correct
12 Correct 5 ms 1520 KB Output is correct
13 Correct 5 ms 1528 KB Output is correct
14 Correct 5 ms 1524 KB Output is correct
15 Correct 5 ms 1524 KB Output is correct
16 Correct 5 ms 1524 KB Output is correct
17 Correct 5 ms 1524 KB Output is correct
18 Correct 5 ms 1520 KB Output is correct
19 Correct 5 ms 1524 KB Output is correct
20 Correct 5 ms 1524 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1528 KB Output is correct
2 Correct 5 ms 1520 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 5 ms 1524 KB Output is correct
5 Correct 5 ms 1520 KB Output is correct
6 Correct 5 ms 1524 KB Output is correct
7 Correct 5 ms 1520 KB Output is correct
8 Correct 5 ms 1524 KB Output is correct
9 Correct 5 ms 1520 KB Output is correct
10 Correct 5 ms 1524 KB Output is correct
11 Correct 5 ms 1524 KB Output is correct
12 Correct 5 ms 1520 KB Output is correct
13 Correct 5 ms 1528 KB Output is correct
14 Correct 5 ms 1524 KB Output is correct
15 Correct 5 ms 1524 KB Output is correct
16 Correct 5 ms 1524 KB Output is correct
17 Correct 5 ms 1524 KB Output is correct
18 Correct 5 ms 1520 KB Output is correct
19 Correct 5 ms 1524 KB Output is correct
20 Correct 5 ms 1524 KB Output is correct
21 Correct 6 ms 1520 KB Output is correct
22 Correct 6 ms 1520 KB Output is correct
23 Correct 6 ms 1520 KB Output is correct
24 Correct 7 ms 1524 KB Output is correct
25 Correct 10 ms 1524 KB Output is correct
26 Correct 10 ms 1524 KB Output is correct
27 Correct 10 ms 1524 KB Output is correct
28 Correct 10 ms 1524 KB Output is correct
29 Correct 10 ms 1524 KB Output is correct
30 Correct 7 ms 1520 KB Output is correct
31 Correct 9 ms 1520 KB Output is correct
32 Correct 8 ms 1524 KB Output is correct
33 Correct 9 ms 1524 KB Output is correct
34 Correct 9 ms 1552 KB Output is correct
35 Correct 10 ms 1524 KB Output is correct
36 Correct 8 ms 1652 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1528 KB Output is correct
2 Correct 5 ms 1520 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 5 ms 1524 KB Output is correct
5 Correct 5 ms 1520 KB Output is correct
6 Correct 5 ms 1524 KB Output is correct
7 Correct 5 ms 1520 KB Output is correct
8 Correct 5 ms 1524 KB Output is correct
9 Correct 5 ms 1520 KB Output is correct
10 Correct 5 ms 1524 KB Output is correct
11 Correct 5 ms 1524 KB Output is correct
12 Correct 5 ms 1520 KB Output is correct
13 Correct 5 ms 1528 KB Output is correct
14 Correct 5 ms 1524 KB Output is correct
15 Correct 5 ms 1524 KB Output is correct
16 Correct 5 ms 1524 KB Output is correct
17 Correct 5 ms 1524 KB Output is correct
18 Correct 5 ms 1520 KB Output is correct
19 Correct 5 ms 1524 KB Output is correct
20 Correct 5 ms 1524 KB Output is correct
21 Correct 6 ms 1520 KB Output is correct
22 Correct 6 ms 1520 KB Output is correct
23 Correct 6 ms 1520 KB Output is correct
24 Correct 7 ms 1524 KB Output is correct
25 Correct 10 ms 1524 KB Output is correct
26 Correct 10 ms 1524 KB Output is correct
27 Correct 10 ms 1524 KB Output is correct
28 Correct 10 ms 1524 KB Output is correct
29 Correct 10 ms 1524 KB Output is correct
30 Correct 7 ms 1520 KB Output is correct
31 Correct 9 ms 1520 KB Output is correct
32 Correct 8 ms 1524 KB Output is correct
33 Correct 9 ms 1524 KB Output is correct
34 Correct 9 ms 1552 KB Output is correct
35 Correct 10 ms 1524 KB Output is correct
36 Correct 8 ms 1652 KB Output is correct
37 Correct 29 ms 1652 KB Output is correct
38 Correct 29 ms 1652 KB Output is correct
39 Correct 78 ms 1784 KB Output is correct
40 Correct 59 ms 1772 KB Output is correct
41 Correct 99 ms 1780 KB Output is correct
42 Correct 51 ms 1776 KB Output is correct
43 Correct 88 ms 2032 KB Output is correct
44 Correct 90 ms 2032 KB Output is correct
45 Correct 90 ms 2032 KB Output is correct
46 Correct 45 ms 1652 KB Output is correct
47 Correct 55 ms 1652 KB Output is correct
48 Correct 92 ms 1972 KB Output is correct
49 Correct 82 ms 1780 KB Output is correct
50 Correct 55 ms 1652 KB Output is correct
51 Correct 9 ms 504 KB Output is correct
52 Correct 117 ms 2116 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1528 KB Output is correct
2 Correct 5 ms 1520 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 5 ms 1524 KB Output is correct
5 Correct 5 ms 1520 KB Output is correct
6 Correct 5 ms 1524 KB Output is correct
7 Correct 5 ms 1520 KB Output is correct
8 Correct 5 ms 1524 KB Output is correct
9 Correct 5 ms 1520 KB Output is correct
10 Correct 5 ms 1524 KB Output is correct
11 Correct 5 ms 1524 KB Output is correct
12 Correct 5 ms 1520 KB Output is correct
13 Correct 5 ms 1528 KB Output is correct
14 Correct 5 ms 1524 KB Output is correct
15 Correct 5 ms 1524 KB Output is correct
16 Correct 5 ms 1524 KB Output is correct
17 Correct 5 ms 1524 KB Output is correct
18 Correct 5 ms 1520 KB Output is correct
19 Correct 5 ms 1524 KB Output is correct
20 Correct 5 ms 1524 KB Output is correct
21 Correct 6 ms 1520 KB Output is correct
22 Correct 6 ms 1520 KB Output is correct
23 Correct 6 ms 1520 KB Output is correct
24 Correct 7 ms 1524 KB Output is correct
25 Correct 10 ms 1524 KB Output is correct
26 Correct 10 ms 1524 KB Output is correct
27 Correct 10 ms 1524 KB Output is correct
28 Correct 10 ms 1524 KB Output is correct
29 Correct 10 ms 1524 KB Output is correct
30 Correct 7 ms 1520 KB Output is correct
31 Correct 9 ms 1520 KB Output is correct
32 Correct 8 ms 1524 KB Output is correct
33 Correct 9 ms 1524 KB Output is correct
34 Correct 9 ms 1552 KB Output is correct
35 Correct 10 ms 1524 KB Output is correct
36 Correct 8 ms 1652 KB Output is correct
37 Correct 29 ms 1652 KB Output is correct
38 Correct 29 ms 1652 KB Output is correct
39 Correct 78 ms 1784 KB Output is correct
40 Correct 59 ms 1772 KB Output is correct
41 Correct 99 ms 1780 KB Output is correct
42 Correct 51 ms 1776 KB Output is correct
43 Correct 88 ms 2032 KB Output is correct
44 Correct 90 ms 2032 KB Output is correct
45 Correct 90 ms 2032 KB Output is correct
46 Correct 45 ms 1652 KB Output is correct
47 Correct 55 ms 1652 KB Output is correct
48 Correct 92 ms 1972 KB Output is correct
49 Correct 82 ms 1780 KB Output is correct
50 Correct 55 ms 1652 KB Output is correct
51 Correct 9 ms 504 KB Output is correct
52 Correct 117 ms 2116 KB Output is correct
53 Correct 89 ms 1904 KB Output is correct
54 Correct 123 ms 2012 KB Output is correct
55 Correct 238 ms 2640 KB Output is correct
56 Correct 109 ms 2028 KB Output is correct
57 Correct 250 ms 2672 KB Output is correct
58 Correct 136 ms 2032 KB Output is correct
59 Correct 169 ms 2268 KB Output is correct
60 Correct 21 ms 504 KB Output is correct
61 Correct 189 ms 2328 KB Output is correct
62 Correct 192 ms 2540 KB Output is correct
63 Correct 206 ms 2536 KB Output is correct
64 Correct 203 ms 2536 KB Output is correct
65 Correct 78 ms 1652 KB Output is correct
66 Correct 88 ms 1788 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1528 KB Output is correct
2 Correct 5 ms 1520 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 5 ms 1524 KB Output is correct
5 Correct 5 ms 1520 KB Output is correct
6 Correct 5 ms 1524 KB Output is correct
7 Correct 5 ms 1520 KB Output is correct
8 Correct 5 ms 1524 KB Output is correct
9 Correct 5 ms 1520 KB Output is correct
10 Correct 5 ms 1524 KB Output is correct
11 Correct 5 ms 1524 KB Output is correct
12 Correct 5 ms 1520 KB Output is correct
13 Correct 5 ms 1528 KB Output is correct
14 Correct 5 ms 1524 KB Output is correct
15 Correct 5 ms 1524 KB Output is correct
16 Correct 5 ms 1524 KB Output is correct
17 Correct 5 ms 1524 KB Output is correct
18 Correct 5 ms 1520 KB Output is correct
19 Correct 5 ms 1524 KB Output is correct
20 Correct 5 ms 1524 KB Output is correct
21 Correct 6 ms 1520 KB Output is correct
22 Correct 6 ms 1520 KB Output is correct
23 Correct 6 ms 1520 KB Output is correct
24 Correct 7 ms 1524 KB Output is correct
25 Correct 10 ms 1524 KB Output is correct
26 Correct 10 ms 1524 KB Output is correct
27 Correct 10 ms 1524 KB Output is correct
28 Correct 10 ms 1524 KB Output is correct
29 Correct 10 ms 1524 KB Output is correct
30 Correct 7 ms 1520 KB Output is correct
31 Correct 9 ms 1520 KB Output is correct
32 Correct 8 ms 1524 KB Output is correct
33 Correct 9 ms 1524 KB Output is correct
34 Correct 9 ms 1552 KB Output is correct
35 Correct 10 ms 1524 KB Output is correct
36 Correct 8 ms 1652 KB Output is correct
37 Correct 29 ms 1652 KB Output is correct
38 Correct 29 ms 1652 KB Output is correct
39 Correct 78 ms 1784 KB Output is correct
40 Correct 59 ms 1772 KB Output is correct
41 Correct 99 ms 1780 KB Output is correct
42 Correct 51 ms 1776 KB Output is correct
43 Correct 88 ms 2032 KB Output is correct
44 Correct 90 ms 2032 KB Output is correct
45 Correct 90 ms 2032 KB Output is correct
46 Correct 45 ms 1652 KB Output is correct
47 Correct 55 ms 1652 KB Output is correct
48 Correct 92 ms 1972 KB Output is correct
49 Correct 82 ms 1780 KB Output is correct
50 Correct 55 ms 1652 KB Output is correct
51 Correct 9 ms 504 KB Output is correct
52 Correct 117 ms 2116 KB Output is correct
53 Correct 89 ms 1904 KB Output is correct
54 Correct 123 ms 2012 KB Output is correct
55 Correct 238 ms 2640 KB Output is correct
56 Correct 109 ms 2028 KB Output is correct
57 Correct 250 ms 2672 KB Output is correct
58 Correct 136 ms 2032 KB Output is correct
59 Correct 169 ms 2268 KB Output is correct
60 Correct 21 ms 504 KB Output is correct
61 Correct 189 ms 2328 KB Output is correct
62 Correct 192 ms 2540 KB Output is correct
63 Correct 206 ms 2536 KB Output is correct
64 Correct 203 ms 2536 KB Output is correct
65 Correct 78 ms 1652 KB Output is correct
66 Correct 88 ms 1788 KB Output is correct
67 Correct 192 ms 2284 KB Output is correct
68 Correct 58 ms 760 KB Output is correct
69 Correct 649 ms 3824 KB Output is correct
70 Correct 400 ms 2952 KB Output is correct
71 Correct 387 ms 2860 KB Output is correct
72 Correct 304 ms 2412 KB Output is correct
73 Correct 303 ms 2416 KB Output is correct
74 Correct 682 ms 4020 KB Output is correct
75 Correct 534 ms 3608 KB Output is correct
76 Correct 725 ms 4036 KB Output is correct
77 Correct 721 ms 4096 KB Output is correct