oj.uz

Submission #472833

# Submission time Handle Problem Language Result Execution time Memory
472833 2021-09-14T11:40:25 Z ogibogi2004 Bootfall (IZhO17_bootfall) C++14
100 / 100
 610 ms 84028 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXN=512;
int n,a[MAXN],sum;
struct node
{
    vector<int>vals;
    bitset<MAXN*MAXN>possible;
};
node tree[4*MAXN];
bitset<MAXN*MAXN>without[MAXN];
void update(int l,int r,int idx,int ql,int qr,int val)
{
    if(l>qr)return;
    if(r<ql)return;
    if(l>=ql&&r<=qr)
    {
        tree[idx].vals.push_back(val);
        return;
    }
    int mid=(l+r)/2;
    update(l,mid,idx*2,ql,qr,val);
    update(mid+1,r,idx*2+1,ql,qr,val);
}
void build(int l,int r,int idx)
{
    tree[idx].possible[0]=1;
    for(auto xd:tree[idx].vals)
    {
        tree[idx].possible=tree[idx].possible|(tree[idx].possible<<xd);
    }
    if(l==r)
    {
        without[l]=tree[idx].possible;
        return;
    }
    int mid=(l+r)/2;
    tree[idx*2].possible=tree[idx].possible;
    tree[idx*2+1].possible=tree[idx].possible;
    build(l,mid,idx*2);
    build(mid+1,r,idx*2+1);
}
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++){cin>>a[i];sum+=a[i];}
    if(sum%2==1)
    {
        cout<<"0\n";
        return 0;
    }
    for(int i=1;i<=n;i++)
    {
        update(1,n+1,1,1,i-1,a[i]);
        update(1,n+1,1,i+1,n+1,a[i]);
    }
    build(1,n+1,1);
    if(without[n+1][sum/2]==0)
    {
        cout<<"0\n";
        return 0;
    }
    //cout<<"?\n";
    vector<int>ans;
    for(int cand=1;cand<=sum;cand++)
    {
        bool ok=1;
        for(int i=1;i<=n;i++)
        {
            int sum1=sum+cand-a[i];
            if(sum1%2!=0)
            {
                ok=0;break;
            }
            if(without[i][sum1/2]==0)
            {
                ok=0;break;
            }
        }
        if(ok)ans.push_back(cand);
    }
    cout<<ans.size()<<endl;
    for(auto xd:ans)
    {
        cout<<xd<<" ";
    }
    cout<<endl;
return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 66396 KB Output is correct
2 Correct 31 ms 66500 KB Output is correct
3 Correct 30 ms 66232 KB Output is correct
4 Correct 32 ms 66372 KB Output is correct
5 Correct 32 ms 66696 KB Output is correct
6 Correct 32 ms 66504 KB Output is correct
7 Correct 30 ms 66372 KB Output is correct
8 Correct 32 ms 66628 KB Output is correct
9 Correct 35 ms 66576 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 66396 KB Output is correct
2 Correct 31 ms 66500 KB Output is correct
3 Correct 30 ms 66232 KB Output is correct
4 Correct 32 ms 66372 KB Output is correct
5 Correct 32 ms 66696 KB Output is correct
6 Correct 32 ms 66504 KB Output is correct
7 Correct 30 ms 66372 KB Output is correct
8 Correct 32 ms 66628 KB Output is correct
9 Correct 35 ms 66576 KB Output is correct
10 Correct 32 ms 67324 KB Output is correct
11 Correct 32 ms 67268 KB Output is correct
12 Correct 33 ms 67376 KB Output is correct
13 Correct 33 ms 67168 KB Output is correct
14 Correct 35 ms 67256 KB Output is correct
15 Correct 32 ms 67228 KB Output is correct
16 Correct 33 ms 67404 KB Output is correct
17 Correct 33 ms 66928 KB Output is correct
18 Correct 31 ms 67184 KB Output is correct
19 Correct 35 ms 67148 KB Output is correct
20 Correct 33 ms 67256 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 66396 KB Output is correct
2 Correct 31 ms 66500 KB Output is correct
3 Correct 30 ms 66232 KB Output is correct
4 Correct 32 ms 66372 KB Output is correct
5 Correct 32 ms 66696 KB Output is correct
6 Correct 32 ms 66504 KB Output is correct
7 Correct 30 ms 66372 KB Output is correct
8 Correct 32 ms 66628 KB Output is correct
9 Correct 35 ms 66576 KB Output is correct
10 Correct 32 ms 67324 KB Output is correct
11 Correct 32 ms 67268 KB Output is correct
12 Correct 33 ms 67376 KB Output is correct
13 Correct 33 ms 67168 KB Output is correct
14 Correct 35 ms 67256 KB Output is correct
15 Correct 32 ms 67228 KB Output is correct
16 Correct 33 ms 67404 KB Output is correct
17 Correct 33 ms 66928 KB Output is correct
18 Correct 31 ms 67184 KB Output is correct
19 Correct 35 ms 67148 KB Output is correct
20 Correct 33 ms 67256 KB Output is correct
21 Correct 37 ms 68548 KB Output is correct
22 Correct 38 ms 68864 KB Output is correct
23 Correct 40 ms 68032 KB Output is correct
24 Correct 45 ms 69640 KB Output is correct
25 Correct 42 ms 69584 KB Output is correct
26 Correct 44 ms 69740 KB Output is correct
27 Correct 42 ms 69764 KB Output is correct
28 Correct 42 ms 69696 KB Output is correct
29 Correct 41 ms 69688 KB Output is correct
30 Correct 41 ms 69704 KB Output is correct
31 Correct 44 ms 69724 KB Output is correct
32 Correct 42 ms 69672 KB Output is correct
33 Correct 57 ms 69680 KB Output is correct
34 Correct 50 ms 69700 KB Output is correct
35 Correct 41 ms 69656 KB Output is correct
36 Correct 44 ms 69760 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 66396 KB Output is correct
2 Correct 31 ms 66500 KB Output is correct
3 Correct 30 ms 66232 KB Output is correct
4 Correct 32 ms 66372 KB Output is correct
5 Correct 32 ms 66696 KB Output is correct
6 Correct 32 ms 66504 KB Output is correct
7 Correct 30 ms 66372 KB Output is correct
8 Correct 32 ms 66628 KB Output is correct
9 Correct 35 ms 66576 KB Output is correct
10 Correct 32 ms 67324 KB Output is correct
11 Correct 32 ms 67268 KB Output is correct
12 Correct 33 ms 67376 KB Output is correct
13 Correct 33 ms 67168 KB Output is correct
14 Correct 35 ms 67256 KB Output is correct
15 Correct 32 ms 67228 KB Output is correct
16 Correct 33 ms 67404 KB Output is correct
17 Correct 33 ms 66928 KB Output is correct
18 Correct 31 ms 67184 KB Output is correct
19 Correct 35 ms 67148 KB Output is correct
20 Correct 33 ms 67256 KB Output is correct
21 Correct 37 ms 68548 KB Output is correct
22 Correct 38 ms 68864 KB Output is correct
23 Correct 40 ms 68032 KB Output is correct
24 Correct 45 ms 69640 KB Output is correct
25 Correct 42 ms 69584 KB Output is correct
26 Correct 44 ms 69740 KB Output is correct
27 Correct 42 ms 69764 KB Output is correct
28 Correct 42 ms 69696 KB Output is correct
29 Correct 41 ms 69688 KB Output is correct
30 Correct 41 ms 69704 KB Output is correct
31 Correct 44 ms 69724 KB Output is correct
32 Correct 42 ms 69672 KB Output is correct
33 Correct 57 ms 69680 KB Output is correct
34 Correct 50 ms 69700 KB Output is correct
35 Correct 41 ms 69656 KB Output is correct
36 Correct 44 ms 69760 KB Output is correct
37 Correct 68 ms 73244 KB Output is correct
38 Correct 67 ms 73096 KB Output is correct
39 Correct 73 ms 74500 KB Output is correct
40 Correct 107 ms 75464 KB Output is correct
41 Correct 65 ms 75340 KB Output is correct
42 Correct 90 ms 74724 KB Output is correct
43 Correct 112 ms 74788 KB Output is correct
44 Correct 128 ms 74856 KB Output is correct
45 Correct 118 ms 75040 KB Output is correct
46 Correct 62 ms 75352 KB Output is correct
47 Correct 96 ms 74956 KB Output is correct
48 Correct 108 ms 74848 KB Output is correct
49 Correct 71 ms 74628 KB Output is correct
50 Correct 100 ms 74752 KB Output is correct
51 Correct 32 ms 65988 KB Output is correct
52 Correct 130 ms 75776 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 66396 KB Output is correct
2 Correct 31 ms 66500 KB Output is correct
3 Correct 30 ms 66232 KB Output is correct
4 Correct 32 ms 66372 KB Output is correct
5 Correct 32 ms 66696 KB Output is correct
6 Correct 32 ms 66504 KB Output is correct
7 Correct 30 ms 66372 KB Output is correct
8 Correct 32 ms 66628 KB Output is correct
9 Correct 35 ms 66576 KB Output is correct
10 Correct 32 ms 67324 KB Output is correct
11 Correct 32 ms 67268 KB Output is correct
12 Correct 33 ms 67376 KB Output is correct
13 Correct 33 ms 67168 KB Output is correct
14 Correct 35 ms 67256 KB Output is correct
15 Correct 32 ms 67228 KB Output is correct
16 Correct 33 ms 67404 KB Output is correct
17 Correct 33 ms 66928 KB Output is correct
18 Correct 31 ms 67184 KB Output is correct
19 Correct 35 ms 67148 KB Output is correct
20 Correct 33 ms 67256 KB Output is correct
21 Correct 37 ms 68548 KB Output is correct
22 Correct 38 ms 68864 KB Output is correct
23 Correct 40 ms 68032 KB Output is correct
24 Correct 45 ms 69640 KB Output is correct
25 Correct 42 ms 69584 KB Output is correct
26 Correct 44 ms 69740 KB Output is correct
27 Correct 42 ms 69764 KB Output is correct
28 Correct 42 ms 69696 KB Output is correct
29 Correct 41 ms 69688 KB Output is correct
30 Correct 41 ms 69704 KB Output is correct
31 Correct 44 ms 69724 KB Output is correct
32 Correct 42 ms 69672 KB Output is correct
33 Correct 57 ms 69680 KB Output is correct
34 Correct 50 ms 69700 KB Output is correct
35 Correct 41 ms 69656 KB Output is correct
36 Correct 44 ms 69760 KB Output is correct
37 Correct 68 ms 73244 KB Output is correct
38 Correct 67 ms 73096 KB Output is correct
39 Correct 73 ms 74500 KB Output is correct
40 Correct 107 ms 75464 KB Output is correct
41 Correct 65 ms 75340 KB Output is correct
42 Correct 90 ms 74724 KB Output is correct
43 Correct 112 ms 74788 KB Output is correct
44 Correct 128 ms 74856 KB Output is correct
45 Correct 118 ms 75040 KB Output is correct
46 Correct 62 ms 75352 KB Output is correct
47 Correct 96 ms 74956 KB Output is correct
48 Correct 108 ms 74848 KB Output is correct
49 Correct 71 ms 74628 KB Output is correct
50 Correct 100 ms 74752 KB Output is correct
51 Correct 32 ms 65988 KB Output is correct
52 Correct 130 ms 75776 KB Output is correct
53 Correct 134 ms 76616 KB Output is correct
54 Correct 195 ms 78388 KB Output is correct
55 Correct 305 ms 78508 KB Output is correct
56 Correct 161 ms 76868 KB Output is correct
57 Correct 242 ms 78668 KB Output is correct
58 Correct 172 ms 78276 KB Output is correct
59 Correct 195 ms 78368 KB Output is correct
60 Correct 38 ms 65992 KB Output is correct
61 Correct 212 ms 78544 KB Output is correct
62 Correct 201 ms 77576 KB Output is correct
63 Correct 211 ms 77536 KB Output is correct
64 Correct 207 ms 77404 KB Output is correct
65 Correct 76 ms 76768 KB Output is correct
66 Correct 86 ms 76720 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 66396 KB Output is correct
2 Correct 31 ms 66500 KB Output is correct
3 Correct 30 ms 66232 KB Output is correct
4 Correct 32 ms 66372 KB Output is correct
5 Correct 32 ms 66696 KB Output is correct
6 Correct 32 ms 66504 KB Output is correct
7 Correct 30 ms 66372 KB Output is correct
8 Correct 32 ms 66628 KB Output is correct
9 Correct 35 ms 66576 KB Output is correct
10 Correct 32 ms 67324 KB Output is correct
11 Correct 32 ms 67268 KB Output is correct
12 Correct 33 ms 67376 KB Output is correct
13 Correct 33 ms 67168 KB Output is correct
14 Correct 35 ms 67256 KB Output is correct
15 Correct 32 ms 67228 KB Output is correct
16 Correct 33 ms 67404 KB Output is correct
17 Correct 33 ms 66928 KB Output is correct
18 Correct 31 ms 67184 KB Output is correct
19 Correct 35 ms 67148 KB Output is correct
20 Correct 33 ms 67256 KB Output is correct
21 Correct 37 ms 68548 KB Output is correct
22 Correct 38 ms 68864 KB Output is correct
23 Correct 40 ms 68032 KB Output is correct
24 Correct 45 ms 69640 KB Output is correct
25 Correct 42 ms 69584 KB Output is correct
26 Correct 44 ms 69740 KB Output is correct
27 Correct 42 ms 69764 KB Output is correct
28 Correct 42 ms 69696 KB Output is correct
29 Correct 41 ms 69688 KB Output is correct
30 Correct 41 ms 69704 KB Output is correct
31 Correct 44 ms 69724 KB Output is correct
32 Correct 42 ms 69672 KB Output is correct
33 Correct 57 ms 69680 KB Output is correct
34 Correct 50 ms 69700 KB Output is correct
35 Correct 41 ms 69656 KB Output is correct
36 Correct 44 ms 69760 KB Output is correct
37 Correct 68 ms 73244 KB Output is correct
38 Correct 67 ms 73096 KB Output is correct
39 Correct 73 ms 74500 KB Output is correct
40 Correct 107 ms 75464 KB Output is correct
41 Correct 65 ms 75340 KB Output is correct
42 Correct 90 ms 74724 KB Output is correct
43 Correct 112 ms 74788 KB Output is correct
44 Correct 128 ms 74856 KB Output is correct
45 Correct 118 ms 75040 KB Output is correct
46 Correct 62 ms 75352 KB Output is correct
47 Correct 96 ms 74956 KB Output is correct
48 Correct 108 ms 74848 KB Output is correct
49 Correct 71 ms 74628 KB Output is correct
50 Correct 100 ms 74752 KB Output is correct
51 Correct 32 ms 65988 KB Output is correct
52 Correct 130 ms 75776 KB Output is correct
53 Correct 134 ms 76616 KB Output is correct
54 Correct 195 ms 78388 KB Output is correct
55 Correct 305 ms 78508 KB Output is correct
56 Correct 161 ms 76868 KB Output is correct
57 Correct 242 ms 78668 KB Output is correct
58 Correct 172 ms 78276 KB Output is correct
59 Correct 195 ms 78368 KB Output is correct
60 Correct 38 ms 65992 KB Output is correct
61 Correct 212 ms 78544 KB Output is correct
62 Correct 201 ms 77576 KB Output is correct
63 Correct 211 ms 77536 KB Output is correct
64 Correct 207 ms 77404 KB Output is correct
65 Correct 76 ms 76768 KB Output is correct
66 Correct 86 ms 76720 KB Output is correct
67 Correct 247 ms 80056 KB Output is correct
68 Correct 97 ms 82680 KB Output is correct
69 Correct 550 ms 83888 KB Output is correct
70 Correct 392 ms 83508 KB Output is correct
71 Correct 377 ms 83476 KB Output is correct
72 Correct 113 ms 82668 KB Output is correct
73 Correct 99 ms 82664 KB Output is correct
74 Correct 592 ms 83980 KB Output is correct
75 Correct 512 ms 83612 KB Output is correct
76 Correct 570 ms 83860 KB Output is correct
77 Correct 610 ms 84028 KB Output is correct