oj.uz

Submission #724698

# Submission time Handle Problem Language Result Execution time Memory
724698 2023-04-15T17:53:32 Z Denkata Bootfall (IZhO17_bootfall) C++14
100 / 100
 45 ms 2016 KB 
#include<bits/stdc++.h>
#define endl '\n'
#pragma GCC optimize("Ofast")
using namespace std;
const int maxn = 503;
bitset <250006> ans;
bitset <250006> tek;
bitset <250006> newtek;
int i,j,p,q,n,m,k,sum;
int a[maxn];
void rek(int l,int r,bitset <250006> tek)
{

    if(l>r)return ;
    if(l==r)
    {
        ///managed to compute the knapsack in tek without this one
        tek=(tek<<a[l]);
        ans&=tek;
        return ;
    }

    int mid = (l+r)/2;
    ///l mid; mid+1 r
    newtek = tek;
    for(i=r;i>=mid+1;i--)
        newtek|=(newtek<<(2*a[i]));
    rek(l,mid,newtek);
    newtek = tek;
    for(i=l;i<=mid;i++)
        newtek|=(newtek<<(2*a[i]));
    rek(mid+1,r,newtek);
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n;
    for(i=1; i<=n; i++)
    {
        cin>>a[i];
        sum+=a[i];
    }
    if(sum%2!=0)
    {
        cout<<0<<endl;
        return 0;
    }
    for(i=2;i<=n;i++)
    {
        if(a[i]%2!=a[i-1]%2)
        {
            cout<<0<<endl;
            return 0;
        }
    }
    newtek[0]=1;
    for(i=1;i<=n;i++)
        newtek|=(newtek<<(a[i]));
    if(!newtek[sum/2])
    {
        cout<<0<<endl;
        return 0;
    }
    ans.set();
    tek.set(0);
    tek[0]=1;
    rek(1,n,tek);
    int br = 0;
    for(i=1;i<sum;i++)
        if(ans[i])br++;
    cout<<br<<endl;
    for(i=sum-1;i>1;i--)
    {
        if(ans[i])
            cout<<sum-i<<" ";
    }
    return 0;
}
/**
4
1 3 1 5

4
200 200 200 200
*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 852 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 852 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 980 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 2 ms 980 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 900 KB Output is correct
15 Correct 2 ms 980 KB Output is correct
16 Correct 2 ms 896 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 904 KB Output is correct
19 Correct 2 ms 980 KB Output is correct
20 Correct 2 ms 980 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 852 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 980 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 2 ms 980 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 900 KB Output is correct
15 Correct 2 ms 980 KB Output is correct
16 Correct 2 ms 896 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 904 KB Output is correct
19 Correct 2 ms 980 KB Output is correct
20 Correct 2 ms 980 KB Output is correct
21 Correct 4 ms 980 KB Output is correct
22 Correct 4 ms 1108 KB Output is correct
23 Correct 3 ms 1020 KB Output is correct
24 Correct 5 ms 1108 KB Output is correct
25 Correct 5 ms 1152 KB Output is correct
26 Correct 6 ms 1108 KB Output is correct
27 Correct 6 ms 1108 KB Output is correct
28 Correct 5 ms 1152 KB Output is correct
29 Correct 6 ms 1108 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 6 ms 1108 KB Output is correct
32 Correct 6 ms 1108 KB Output is correct
33 Correct 6 ms 1108 KB Output is correct
34 Correct 6 ms 1236 KB Output is correct
35 Correct 6 ms 1108 KB Output is correct
36 Correct 6 ms 1108 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 852 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 980 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 2 ms 980 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 900 KB Output is correct
15 Correct 2 ms 980 KB Output is correct
16 Correct 2 ms 896 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 904 KB Output is correct
19 Correct 2 ms 980 KB Output is correct
20 Correct 2 ms 980 KB Output is correct
21 Correct 4 ms 980 KB Output is correct
22 Correct 4 ms 1108 KB Output is correct
23 Correct 3 ms 1020 KB Output is correct
24 Correct 5 ms 1108 KB Output is correct
25 Correct 5 ms 1152 KB Output is correct
26 Correct 6 ms 1108 KB Output is correct
27 Correct 6 ms 1108 KB Output is correct
28 Correct 5 ms 1152 KB Output is correct
29 Correct 6 ms 1108 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 6 ms 1108 KB Output is correct
32 Correct 6 ms 1108 KB Output is correct
33 Correct 6 ms 1108 KB Output is correct
34 Correct 6 ms 1236 KB Output is correct
35 Correct 6 ms 1108 KB Output is correct
36 Correct 6 ms 1108 KB Output is correct
37 Correct 13 ms 1236 KB Output is correct
38 Correct 13 ms 1284 KB Output is correct
39 Correct 14 ms 1148 KB Output is correct
40 Correct 17 ms 1356 KB Output is correct
41 Correct 15 ms 1364 KB Output is correct
42 Correct 15 ms 1236 KB Output is correct
43 Correct 16 ms 1404 KB Output is correct
44 Correct 19 ms 1392 KB Output is correct
45 Correct 16 ms 1396 KB Output is correct
46 Correct 15 ms 1236 KB Output is correct
47 Correct 16 ms 1252 KB Output is correct
48 Correct 16 ms 1268 KB Output is correct
49 Correct 15 ms 1264 KB Output is correct
50 Correct 16 ms 1364 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 18 ms 1492 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 852 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 980 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 2 ms 980 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 900 KB Output is correct
15 Correct 2 ms 980 KB Output is correct
16 Correct 2 ms 896 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 904 KB Output is correct
19 Correct 2 ms 980 KB Output is correct
20 Correct 2 ms 980 KB Output is correct
21 Correct 4 ms 980 KB Output is correct
22 Correct 4 ms 1108 KB Output is correct
23 Correct 3 ms 1020 KB Output is correct
24 Correct 5 ms 1108 KB Output is correct
25 Correct 5 ms 1152 KB Output is correct
26 Correct 6 ms 1108 KB Output is correct
27 Correct 6 ms 1108 KB Output is correct
28 Correct 5 ms 1152 KB Output is correct
29 Correct 6 ms 1108 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 6 ms 1108 KB Output is correct
32 Correct 6 ms 1108 KB Output is correct
33 Correct 6 ms 1108 KB Output is correct
34 Correct 6 ms 1236 KB Output is correct
35 Correct 6 ms 1108 KB Output is correct
36 Correct 6 ms 1108 KB Output is correct
37 Correct 13 ms 1236 KB Output is correct
38 Correct 13 ms 1284 KB Output is correct
39 Correct 14 ms 1148 KB Output is correct
40 Correct 17 ms 1356 KB Output is correct
41 Correct 15 ms 1364 KB Output is correct
42 Correct 15 ms 1236 KB Output is correct
43 Correct 16 ms 1404 KB Output is correct
44 Correct 19 ms 1392 KB Output is correct
45 Correct 16 ms 1396 KB Output is correct
46 Correct 15 ms 1236 KB Output is correct
47 Correct 16 ms 1252 KB Output is correct
48 Correct 16 ms 1268 KB Output is correct
49 Correct 15 ms 1264 KB Output is correct
50 Correct 16 ms 1364 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 18 ms 1492 KB Output is correct
53 Correct 19 ms 1492 KB Output is correct
54 Correct 22 ms 1492 KB Output is correct
55 Correct 24 ms 1604 KB Output is correct
56 Correct 20 ms 1472 KB Output is correct
57 Correct 27 ms 1616 KB Output is correct
58 Correct 23 ms 1492 KB Output is correct
59 Correct 23 ms 1476 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 24 ms 1484 KB Output is correct
62 Correct 22 ms 1608 KB Output is correct
63 Correct 23 ms 1536 KB Output is correct
64 Correct 22 ms 1620 KB Output is correct
65 Correct 19 ms 1236 KB Output is correct
66 Correct 22 ms 1352 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 852 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 896 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 980 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 2 ms 980 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 900 KB Output is correct
15 Correct 2 ms 980 KB Output is correct
16 Correct 2 ms 896 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 904 KB Output is correct
19 Correct 2 ms 980 KB Output is correct
20 Correct 2 ms 980 KB Output is correct
21 Correct 4 ms 980 KB Output is correct
22 Correct 4 ms 1108 KB Output is correct
23 Correct 3 ms 1020 KB Output is correct
24 Correct 5 ms 1108 KB Output is correct
25 Correct 5 ms 1152 KB Output is correct
26 Correct 6 ms 1108 KB Output is correct
27 Correct 6 ms 1108 KB Output is correct
28 Correct 5 ms 1152 KB Output is correct
29 Correct 6 ms 1108 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 6 ms 1108 KB Output is correct
32 Correct 6 ms 1108 KB Output is correct
33 Correct 6 ms 1108 KB Output is correct
34 Correct 6 ms 1236 KB Output is correct
35 Correct 6 ms 1108 KB Output is correct
36 Correct 6 ms 1108 KB Output is correct
37 Correct 13 ms 1236 KB Output is correct
38 Correct 13 ms 1284 KB Output is correct
39 Correct 14 ms 1148 KB Output is correct
40 Correct 17 ms 1356 KB Output is correct
41 Correct 15 ms 1364 KB Output is correct
42 Correct 15 ms 1236 KB Output is correct
43 Correct 16 ms 1404 KB Output is correct
44 Correct 19 ms 1392 KB Output is correct
45 Correct 16 ms 1396 KB Output is correct
46 Correct 15 ms 1236 KB Output is correct
47 Correct 16 ms 1252 KB Output is correct
48 Correct 16 ms 1268 KB Output is correct
49 Correct 15 ms 1264 KB Output is correct
50 Correct 16 ms 1364 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 18 ms 1492 KB Output is correct
53 Correct 19 ms 1492 KB Output is correct
54 Correct 22 ms 1492 KB Output is correct
55 Correct 24 ms 1604 KB Output is correct
56 Correct 20 ms 1472 KB Output is correct
57 Correct 27 ms 1616 KB Output is correct
58 Correct 23 ms 1492 KB Output is correct
59 Correct 23 ms 1476 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 24 ms 1484 KB Output is correct
62 Correct 22 ms 1608 KB Output is correct
63 Correct 23 ms 1536 KB Output is correct
64 Correct 22 ms 1620 KB Output is correct
65 Correct 19 ms 1236 KB Output is correct
66 Correct 22 ms 1352 KB Output is correct
67 Correct 29 ms 1492 KB Output is correct
68 Correct 3 ms 340 KB Output is correct
69 Correct 37 ms 1924 KB Output is correct
70 Correct 34 ms 1748 KB Output is correct
71 Correct 36 ms 1740 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 1 ms 340 KB Output is correct
74 Correct 45 ms 2016 KB Output is correct
75 Correct 42 ms 1868 KB Output is correct
76 Correct 44 ms 1988 KB Output is correct
77 Correct 39 ms 1952 KB Output is correct