oj.uz

Submission #878232

# Submission time Handle Problem Language Result Execution time Memory
878232 2023-11-24T07:35:07 Z alexdd Bootfall (IZhO17_bootfall) C++17
44 / 100
 1000 ms 888 KB 
#pragma GCC optimize("O2,unroll-loops")
#include<iostream>
#include<bitset>
using namespace std;
int n,tot;
int a[505];
bitset<500005> dp;
int variante[500005],cntv;
int newv[500005],cntnew;
signed main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        if(a[i]%2!=a[1]%2)
        {
            cout<<0;
            return 0;
        }
        tot+=a[i];
    }
    if(tot%2==1)
    {
        cout<<0;
        return 0;
    }
    for(int i=1;i<=tot;i++)
        if(i%2==a[1]%2)
            variante[++cntv]=i;
    for(int i=0;i<=n;i++)
    {
        dp.reset();
        dp[0]=1;
        for(int j=1;j<=n;j++)
        {
            if(i!=j)
                dp |= (dp<<a[j]);
        }
        if(i==0)
        {
            if(dp[tot/2]==0)
            {
                cout<<0;
                return 0;
            }
            continue;
        }
        cntnew=0;
        for(int j=1;j<=cntv;j++)
        {
            int x = variante[j];
            if((tot-a[i]+x)%2==0 && dp[(tot-a[i]+x)/2])
                newv[++cntnew] = x;
            ///tot - a[i] + x
        }
        cntv=cntnew;
        for(int j=1;j<=cntnew;j++)
            variante[j] = newv[j];
    }
    cout<<cntv<<"\n";
    for(int i=1;i<=cntv;i++)
        cout<<variante[i]<<" ";
    return 0;
}
/**
3
2 2 2
*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 9 ms 604 KB Output is correct
11 Correct 9 ms 604 KB Output is correct
12 Correct 9 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 8 ms 604 KB Output is correct
15 Correct 8 ms 604 KB Output is correct
16 Correct 9 ms 604 KB Output is correct
17 Correct 4 ms 656 KB Output is correct
18 Correct 6 ms 656 KB Output is correct
19 Correct 7 ms 604 KB Output is correct
20 Correct 14 ms 656 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 9 ms 604 KB Output is correct
11 Correct 9 ms 604 KB Output is correct
12 Correct 9 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 8 ms 604 KB Output is correct
15 Correct 8 ms 604 KB Output is correct
16 Correct 9 ms 604 KB Output is correct
17 Correct 4 ms 656 KB Output is correct
18 Correct 6 ms 656 KB Output is correct
19 Correct 7 ms 604 KB Output is correct
20 Correct 14 ms 656 KB Output is correct
21 Correct 40 ms 604 KB Output is correct
22 Correct 56 ms 600 KB Output is correct
23 Correct 24 ms 604 KB Output is correct
24 Correct 91 ms 600 KB Output is correct
25 Correct 85 ms 664 KB Output is correct
26 Correct 103 ms 668 KB Output is correct
27 Correct 96 ms 604 KB Output is correct
28 Correct 97 ms 660 KB Output is correct
29 Correct 95 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 97 ms 676 KB Output is correct
32 Correct 98 ms 656 KB Output is correct
33 Correct 97 ms 604 KB Output is correct
34 Correct 99 ms 600 KB Output is correct
35 Correct 97 ms 604 KB Output is correct
36 Correct 97 ms 600 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 9 ms 604 KB Output is correct
11 Correct 9 ms 604 KB Output is correct
12 Correct 9 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 8 ms 604 KB Output is correct
15 Correct 8 ms 604 KB Output is correct
16 Correct 9 ms 604 KB Output is correct
17 Correct 4 ms 656 KB Output is correct
18 Correct 6 ms 656 KB Output is correct
19 Correct 7 ms 604 KB Output is correct
20 Correct 14 ms 656 KB Output is correct
21 Correct 40 ms 604 KB Output is correct
22 Correct 56 ms 600 KB Output is correct
23 Correct 24 ms 604 KB Output is correct
24 Correct 91 ms 600 KB Output is correct
25 Correct 85 ms 664 KB Output is correct
26 Correct 103 ms 668 KB Output is correct
27 Correct 96 ms 604 KB Output is correct
28 Correct 97 ms 660 KB Output is correct
29 Correct 95 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 97 ms 676 KB Output is correct
32 Correct 98 ms 656 KB Output is correct
33 Correct 97 ms 604 KB Output is correct
34 Correct 99 ms 600 KB Output is correct
35 Correct 97 ms 604 KB Output is correct
36 Correct 97 ms 600 KB Output is correct
37 Correct 387 ms 700 KB Output is correct
38 Correct 388 ms 736 KB Output is correct
39 Correct 587 ms 604 KB Output is correct
40 Correct 717 ms 760 KB Output is correct
41 Correct 729 ms 776 KB Output is correct
42 Correct 607 ms 748 KB Output is correct
43 Correct 591 ms 860 KB Output is correct
44 Correct 592 ms 860 KB Output is correct
45 Correct 633 ms 856 KB Output is correct
46 Correct 726 ms 724 KB Output is correct
47 Correct 605 ms 756 KB Output is correct
48 Correct 636 ms 856 KB Output is correct
49 Correct 599 ms 804 KB Output is correct
50 Correct 617 ms 848 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 765 ms 888 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 9 ms 604 KB Output is correct
11 Correct 9 ms 604 KB Output is correct
12 Correct 9 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 8 ms 604 KB Output is correct
15 Correct 8 ms 604 KB Output is correct
16 Correct 9 ms 604 KB Output is correct
17 Correct 4 ms 656 KB Output is correct
18 Correct 6 ms 656 KB Output is correct
19 Correct 7 ms 604 KB Output is correct
20 Correct 14 ms 656 KB Output is correct
21 Correct 40 ms 604 KB Output is correct
22 Correct 56 ms 600 KB Output is correct
23 Correct 24 ms 604 KB Output is correct
24 Correct 91 ms 600 KB Output is correct
25 Correct 85 ms 664 KB Output is correct
26 Correct 103 ms 668 KB Output is correct
27 Correct 96 ms 604 KB Output is correct
28 Correct 97 ms 660 KB Output is correct
29 Correct 95 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 97 ms 676 KB Output is correct
32 Correct 98 ms 656 KB Output is correct
33 Correct 97 ms 604 KB Output is correct
34 Correct 99 ms 600 KB Output is correct
35 Correct 97 ms 604 KB Output is correct
36 Correct 97 ms 600 KB Output is correct
37 Correct 387 ms 700 KB Output is correct
38 Correct 388 ms 736 KB Output is correct
39 Correct 587 ms 604 KB Output is correct
40 Correct 717 ms 760 KB Output is correct
41 Correct 729 ms 776 KB Output is correct
42 Correct 607 ms 748 KB Output is correct
43 Correct 591 ms 860 KB Output is correct
44 Correct 592 ms 860 KB Output is correct
45 Correct 633 ms 856 KB Output is correct
46 Correct 726 ms 724 KB Output is correct
47 Correct 605 ms 756 KB Output is correct
48 Correct 636 ms 856 KB Output is correct
49 Correct 599 ms 804 KB Output is correct
50 Correct 617 ms 848 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 765 ms 888 KB Output is correct
53 Correct 892 ms 808 KB Output is correct
54 Execution timed out 1055 ms 860 KB Time limit exceeded
55 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 9 ms 604 KB Output is correct
11 Correct 9 ms 604 KB Output is correct
12 Correct 9 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 8 ms 604 KB Output is correct
15 Correct 8 ms 604 KB Output is correct
16 Correct 9 ms 604 KB Output is correct
17 Correct 4 ms 656 KB Output is correct
18 Correct 6 ms 656 KB Output is correct
19 Correct 7 ms 604 KB Output is correct
20 Correct 14 ms 656 KB Output is correct
21 Correct 40 ms 604 KB Output is correct
22 Correct 56 ms 600 KB Output is correct
23 Correct 24 ms 604 KB Output is correct
24 Correct 91 ms 600 KB Output is correct
25 Correct 85 ms 664 KB Output is correct
26 Correct 103 ms 668 KB Output is correct
27 Correct 96 ms 604 KB Output is correct
28 Correct 97 ms 660 KB Output is correct
29 Correct 95 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 97 ms 676 KB Output is correct
32 Correct 98 ms 656 KB Output is correct
33 Correct 97 ms 604 KB Output is correct
34 Correct 99 ms 600 KB Output is correct
35 Correct 97 ms 604 KB Output is correct
36 Correct 97 ms 600 KB Output is correct
37 Correct 387 ms 700 KB Output is correct
38 Correct 388 ms 736 KB Output is correct
39 Correct 587 ms 604 KB Output is correct
40 Correct 717 ms 760 KB Output is correct
41 Correct 729 ms 776 KB Output is correct
42 Correct 607 ms 748 KB Output is correct
43 Correct 591 ms 860 KB Output is correct
44 Correct 592 ms 860 KB Output is correct
45 Correct 633 ms 856 KB Output is correct
46 Correct 726 ms 724 KB Output is correct
47 Correct 605 ms 756 KB Output is correct
48 Correct 636 ms 856 KB Output is correct
49 Correct 599 ms 804 KB Output is correct
50 Correct 617 ms 848 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 765 ms 888 KB Output is correct
53 Correct 892 ms 808 KB Output is correct
54 Execution timed out 1055 ms 860 KB Time limit exceeded
55 Halted 0 ms 0 KB -