#include "bits/stdc++.h"
using namespace std;
#define pb push_back
#define mp make_pair
#define ll int
#define int int
#define itr iterator
typedef pair<ll,ll> pii;
const ll MAX=3e5+9;
const ll LIM=3e5;
const ll mod=1e9+7;
bitset<500*500+9> bs;
set<ll> candidate;
ll N,sum,arr[500*500+9],dp[500*500+9];
void add(ll X)
{
sum+=X;
for(int A=500*500;A>=X;A--)
{
dp[A]+=dp[A-X];
if(dp[A]>=mod)
dp[A]-=mod;
}
return ;
}
void remove(ll X)
{
sum-=X;
for(int A=X;A<=500*500;A++)
{
dp[A]-=dp[A-X];
if(dp[A]<0)
dp[A]+=mod;
}
return ;
}
signed main()
{
ios_base::sync_with_stdio(false);
dp[0]=1;
cin>>N;
for(int A=1;A<=N;A++)
{
cin>>arr[A];
add(arr[A]);
}
if(sum%2 or (!dp[sum/2]))
return cout<<0,0;
for(int A=1;A<=sum;A++)
candidate.insert(A);
vector<int> lol;
for(int A=1;A<=N;A++)
{
remove(arr[A]);
lol.clear();
for(auto B:candidate)
{
if(B>sum or (sum+B)%2 or (!dp[(sum+B)/2]))
lol.pb(B);
}
for(auto B:lol)
candidate.erase(B);
add(arr[A]);
}
cout<<candidate.size()<<"\n";
for(auto A:candidate)
cout<<A<<" ";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
1272 KB |
Output is correct |
2 |
Correct |
10 ms |
1404 KB |
Output is correct |
3 |
Correct |
4 ms |
1452 KB |
Output is correct |
4 |
Correct |
9 ms |
1472 KB |
Output is correct |
5 |
Correct |
13 ms |
1516 KB |
Output is correct |
6 |
Correct |
10 ms |
1516 KB |
Output is correct |
7 |
Correct |
9 ms |
1516 KB |
Output is correct |
8 |
Correct |
14 ms |
1556 KB |
Output is correct |
9 |
Correct |
12 ms |
1556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
1272 KB |
Output is correct |
2 |
Correct |
10 ms |
1404 KB |
Output is correct |
3 |
Correct |
4 ms |
1452 KB |
Output is correct |
4 |
Correct |
9 ms |
1472 KB |
Output is correct |
5 |
Correct |
13 ms |
1516 KB |
Output is correct |
6 |
Correct |
10 ms |
1516 KB |
Output is correct |
7 |
Correct |
9 ms |
1516 KB |
Output is correct |
8 |
Correct |
14 ms |
1556 KB |
Output is correct |
9 |
Correct |
12 ms |
1556 KB |
Output is correct |
10 |
Correct |
35 ms |
1644 KB |
Output is correct |
11 |
Correct |
35 ms |
1644 KB |
Output is correct |
12 |
Correct |
31 ms |
1644 KB |
Output is correct |
13 |
Correct |
25 ms |
1644 KB |
Output is correct |
14 |
Correct |
28 ms |
1644 KB |
Output is correct |
15 |
Correct |
30 ms |
1644 KB |
Output is correct |
16 |
Correct |
39 ms |
1644 KB |
Output is correct |
17 |
Correct |
19 ms |
1644 KB |
Output is correct |
18 |
Correct |
24 ms |
1644 KB |
Output is correct |
19 |
Correct |
25 ms |
1644 KB |
Output is correct |
20 |
Correct |
28 ms |
1664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
1272 KB |
Output is correct |
2 |
Correct |
10 ms |
1404 KB |
Output is correct |
3 |
Correct |
4 ms |
1452 KB |
Output is correct |
4 |
Correct |
9 ms |
1472 KB |
Output is correct |
5 |
Correct |
13 ms |
1516 KB |
Output is correct |
6 |
Correct |
10 ms |
1516 KB |
Output is correct |
7 |
Correct |
9 ms |
1516 KB |
Output is correct |
8 |
Correct |
14 ms |
1556 KB |
Output is correct |
9 |
Correct |
12 ms |
1556 KB |
Output is correct |
10 |
Correct |
35 ms |
1644 KB |
Output is correct |
11 |
Correct |
35 ms |
1644 KB |
Output is correct |
12 |
Correct |
31 ms |
1644 KB |
Output is correct |
13 |
Correct |
25 ms |
1644 KB |
Output is correct |
14 |
Correct |
28 ms |
1644 KB |
Output is correct |
15 |
Correct |
30 ms |
1644 KB |
Output is correct |
16 |
Correct |
39 ms |
1644 KB |
Output is correct |
17 |
Correct |
19 ms |
1644 KB |
Output is correct |
18 |
Correct |
24 ms |
1644 KB |
Output is correct |
19 |
Correct |
25 ms |
1644 KB |
Output is correct |
20 |
Correct |
28 ms |
1664 KB |
Output is correct |
21 |
Correct |
60 ms |
1796 KB |
Output is correct |
22 |
Correct |
70 ms |
1796 KB |
Output is correct |
23 |
Correct |
46 ms |
1796 KB |
Output is correct |
24 |
Correct |
86 ms |
1820 KB |
Output is correct |
25 |
Correct |
84 ms |
2076 KB |
Output is correct |
26 |
Correct |
97 ms |
2220 KB |
Output is correct |
27 |
Correct |
100 ms |
2220 KB |
Output is correct |
28 |
Correct |
99 ms |
2220 KB |
Output is correct |
29 |
Correct |
86 ms |
2220 KB |
Output is correct |
30 |
Correct |
92 ms |
2220 KB |
Output is correct |
31 |
Correct |
89 ms |
2220 KB |
Output is correct |
32 |
Correct |
89 ms |
2220 KB |
Output is correct |
33 |
Correct |
86 ms |
2224 KB |
Output is correct |
34 |
Correct |
93 ms |
2344 KB |
Output is correct |
35 |
Correct |
90 ms |
2344 KB |
Output is correct |
36 |
Correct |
96 ms |
2344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
1272 KB |
Output is correct |
2 |
Correct |
10 ms |
1404 KB |
Output is correct |
3 |
Correct |
4 ms |
1452 KB |
Output is correct |
4 |
Correct |
9 ms |
1472 KB |
Output is correct |
5 |
Correct |
13 ms |
1516 KB |
Output is correct |
6 |
Correct |
10 ms |
1516 KB |
Output is correct |
7 |
Correct |
9 ms |
1516 KB |
Output is correct |
8 |
Correct |
14 ms |
1556 KB |
Output is correct |
9 |
Correct |
12 ms |
1556 KB |
Output is correct |
10 |
Correct |
35 ms |
1644 KB |
Output is correct |
11 |
Correct |
35 ms |
1644 KB |
Output is correct |
12 |
Correct |
31 ms |
1644 KB |
Output is correct |
13 |
Correct |
25 ms |
1644 KB |
Output is correct |
14 |
Correct |
28 ms |
1644 KB |
Output is correct |
15 |
Correct |
30 ms |
1644 KB |
Output is correct |
16 |
Correct |
39 ms |
1644 KB |
Output is correct |
17 |
Correct |
19 ms |
1644 KB |
Output is correct |
18 |
Correct |
24 ms |
1644 KB |
Output is correct |
19 |
Correct |
25 ms |
1644 KB |
Output is correct |
20 |
Correct |
28 ms |
1664 KB |
Output is correct |
21 |
Correct |
60 ms |
1796 KB |
Output is correct |
22 |
Correct |
70 ms |
1796 KB |
Output is correct |
23 |
Correct |
46 ms |
1796 KB |
Output is correct |
24 |
Correct |
86 ms |
1820 KB |
Output is correct |
25 |
Correct |
84 ms |
2076 KB |
Output is correct |
26 |
Correct |
97 ms |
2220 KB |
Output is correct |
27 |
Correct |
100 ms |
2220 KB |
Output is correct |
28 |
Correct |
99 ms |
2220 KB |
Output is correct |
29 |
Correct |
86 ms |
2220 KB |
Output is correct |
30 |
Correct |
92 ms |
2220 KB |
Output is correct |
31 |
Correct |
89 ms |
2220 KB |
Output is correct |
32 |
Correct |
89 ms |
2220 KB |
Output is correct |
33 |
Correct |
86 ms |
2224 KB |
Output is correct |
34 |
Correct |
93 ms |
2344 KB |
Output is correct |
35 |
Correct |
90 ms |
2344 KB |
Output is correct |
36 |
Correct |
96 ms |
2344 KB |
Output is correct |
37 |
Correct |
214 ms |
2704 KB |
Output is correct |
38 |
Correct |
256 ms |
2732 KB |
Output is correct |
39 |
Correct |
307 ms |
4884 KB |
Output is correct |
40 |
Correct |
331 ms |
4884 KB |
Output is correct |
41 |
Correct |
249 ms |
5676 KB |
Output is correct |
42 |
Correct |
274 ms |
5676 KB |
Output is correct |
43 |
Correct |
338 ms |
5676 KB |
Output is correct |
44 |
Correct |
322 ms |
5676 KB |
Output is correct |
45 |
Correct |
333 ms |
5676 KB |
Output is correct |
46 |
Correct |
248 ms |
5676 KB |
Output is correct |
47 |
Correct |
286 ms |
5676 KB |
Output is correct |
48 |
Correct |
289 ms |
5676 KB |
Output is correct |
49 |
Correct |
240 ms |
5676 KB |
Output is correct |
50 |
Correct |
277 ms |
5676 KB |
Output is correct |
51 |
Correct |
69 ms |
5676 KB |
Output is correct |
52 |
Correct |
360 ms |
5676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
1272 KB |
Output is correct |
2 |
Correct |
10 ms |
1404 KB |
Output is correct |
3 |
Correct |
4 ms |
1452 KB |
Output is correct |
4 |
Correct |
9 ms |
1472 KB |
Output is correct |
5 |
Correct |
13 ms |
1516 KB |
Output is correct |
6 |
Correct |
10 ms |
1516 KB |
Output is correct |
7 |
Correct |
9 ms |
1516 KB |
Output is correct |
8 |
Correct |
14 ms |
1556 KB |
Output is correct |
9 |
Correct |
12 ms |
1556 KB |
Output is correct |
10 |
Correct |
35 ms |
1644 KB |
Output is correct |
11 |
Correct |
35 ms |
1644 KB |
Output is correct |
12 |
Correct |
31 ms |
1644 KB |
Output is correct |
13 |
Correct |
25 ms |
1644 KB |
Output is correct |
14 |
Correct |
28 ms |
1644 KB |
Output is correct |
15 |
Correct |
30 ms |
1644 KB |
Output is correct |
16 |
Correct |
39 ms |
1644 KB |
Output is correct |
17 |
Correct |
19 ms |
1644 KB |
Output is correct |
18 |
Correct |
24 ms |
1644 KB |
Output is correct |
19 |
Correct |
25 ms |
1644 KB |
Output is correct |
20 |
Correct |
28 ms |
1664 KB |
Output is correct |
21 |
Correct |
60 ms |
1796 KB |
Output is correct |
22 |
Correct |
70 ms |
1796 KB |
Output is correct |
23 |
Correct |
46 ms |
1796 KB |
Output is correct |
24 |
Correct |
86 ms |
1820 KB |
Output is correct |
25 |
Correct |
84 ms |
2076 KB |
Output is correct |
26 |
Correct |
97 ms |
2220 KB |
Output is correct |
27 |
Correct |
100 ms |
2220 KB |
Output is correct |
28 |
Correct |
99 ms |
2220 KB |
Output is correct |
29 |
Correct |
86 ms |
2220 KB |
Output is correct |
30 |
Correct |
92 ms |
2220 KB |
Output is correct |
31 |
Correct |
89 ms |
2220 KB |
Output is correct |
32 |
Correct |
89 ms |
2220 KB |
Output is correct |
33 |
Correct |
86 ms |
2224 KB |
Output is correct |
34 |
Correct |
93 ms |
2344 KB |
Output is correct |
35 |
Correct |
90 ms |
2344 KB |
Output is correct |
36 |
Correct |
96 ms |
2344 KB |
Output is correct |
37 |
Correct |
214 ms |
2704 KB |
Output is correct |
38 |
Correct |
256 ms |
2732 KB |
Output is correct |
39 |
Correct |
307 ms |
4884 KB |
Output is correct |
40 |
Correct |
331 ms |
4884 KB |
Output is correct |
41 |
Correct |
249 ms |
5676 KB |
Output is correct |
42 |
Correct |
274 ms |
5676 KB |
Output is correct |
43 |
Correct |
338 ms |
5676 KB |
Output is correct |
44 |
Correct |
322 ms |
5676 KB |
Output is correct |
45 |
Correct |
333 ms |
5676 KB |
Output is correct |
46 |
Correct |
248 ms |
5676 KB |
Output is correct |
47 |
Correct |
286 ms |
5676 KB |
Output is correct |
48 |
Correct |
289 ms |
5676 KB |
Output is correct |
49 |
Correct |
240 ms |
5676 KB |
Output is correct |
50 |
Correct |
277 ms |
5676 KB |
Output is correct |
51 |
Correct |
69 ms |
5676 KB |
Output is correct |
52 |
Correct |
360 ms |
5676 KB |
Output is correct |
53 |
Correct |
362 ms |
5676 KB |
Output is correct |
54 |
Correct |
448 ms |
5676 KB |
Output is correct |
55 |
Correct |
630 ms |
7608 KB |
Output is correct |
56 |
Correct |
405 ms |
7608 KB |
Output is correct |
57 |
Correct |
719 ms |
7864 KB |
Output is correct |
58 |
Correct |
511 ms |
7864 KB |
Output is correct |
59 |
Correct |
519 ms |
7864 KB |
Output is correct |
60 |
Correct |
133 ms |
7864 KB |
Output is correct |
61 |
Correct |
576 ms |
7864 KB |
Output is correct |
62 |
Correct |
574 ms |
7864 KB |
Output is correct |
63 |
Correct |
552 ms |
7864 KB |
Output is correct |
64 |
Correct |
550 ms |
7864 KB |
Output is correct |
65 |
Correct |
317 ms |
7864 KB |
Output is correct |
66 |
Correct |
312 ms |
7864 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
1272 KB |
Output is correct |
2 |
Correct |
10 ms |
1404 KB |
Output is correct |
3 |
Correct |
4 ms |
1452 KB |
Output is correct |
4 |
Correct |
9 ms |
1472 KB |
Output is correct |
5 |
Correct |
13 ms |
1516 KB |
Output is correct |
6 |
Correct |
10 ms |
1516 KB |
Output is correct |
7 |
Correct |
9 ms |
1516 KB |
Output is correct |
8 |
Correct |
14 ms |
1556 KB |
Output is correct |
9 |
Correct |
12 ms |
1556 KB |
Output is correct |
10 |
Correct |
35 ms |
1644 KB |
Output is correct |
11 |
Correct |
35 ms |
1644 KB |
Output is correct |
12 |
Correct |
31 ms |
1644 KB |
Output is correct |
13 |
Correct |
25 ms |
1644 KB |
Output is correct |
14 |
Correct |
28 ms |
1644 KB |
Output is correct |
15 |
Correct |
30 ms |
1644 KB |
Output is correct |
16 |
Correct |
39 ms |
1644 KB |
Output is correct |
17 |
Correct |
19 ms |
1644 KB |
Output is correct |
18 |
Correct |
24 ms |
1644 KB |
Output is correct |
19 |
Correct |
25 ms |
1644 KB |
Output is correct |
20 |
Correct |
28 ms |
1664 KB |
Output is correct |
21 |
Correct |
60 ms |
1796 KB |
Output is correct |
22 |
Correct |
70 ms |
1796 KB |
Output is correct |
23 |
Correct |
46 ms |
1796 KB |
Output is correct |
24 |
Correct |
86 ms |
1820 KB |
Output is correct |
25 |
Correct |
84 ms |
2076 KB |
Output is correct |
26 |
Correct |
97 ms |
2220 KB |
Output is correct |
27 |
Correct |
100 ms |
2220 KB |
Output is correct |
28 |
Correct |
99 ms |
2220 KB |
Output is correct |
29 |
Correct |
86 ms |
2220 KB |
Output is correct |
30 |
Correct |
92 ms |
2220 KB |
Output is correct |
31 |
Correct |
89 ms |
2220 KB |
Output is correct |
32 |
Correct |
89 ms |
2220 KB |
Output is correct |
33 |
Correct |
86 ms |
2224 KB |
Output is correct |
34 |
Correct |
93 ms |
2344 KB |
Output is correct |
35 |
Correct |
90 ms |
2344 KB |
Output is correct |
36 |
Correct |
96 ms |
2344 KB |
Output is correct |
37 |
Correct |
214 ms |
2704 KB |
Output is correct |
38 |
Correct |
256 ms |
2732 KB |
Output is correct |
39 |
Correct |
307 ms |
4884 KB |
Output is correct |
40 |
Correct |
331 ms |
4884 KB |
Output is correct |
41 |
Correct |
249 ms |
5676 KB |
Output is correct |
42 |
Correct |
274 ms |
5676 KB |
Output is correct |
43 |
Correct |
338 ms |
5676 KB |
Output is correct |
44 |
Correct |
322 ms |
5676 KB |
Output is correct |
45 |
Correct |
333 ms |
5676 KB |
Output is correct |
46 |
Correct |
248 ms |
5676 KB |
Output is correct |
47 |
Correct |
286 ms |
5676 KB |
Output is correct |
48 |
Correct |
289 ms |
5676 KB |
Output is correct |
49 |
Correct |
240 ms |
5676 KB |
Output is correct |
50 |
Correct |
277 ms |
5676 KB |
Output is correct |
51 |
Correct |
69 ms |
5676 KB |
Output is correct |
52 |
Correct |
360 ms |
5676 KB |
Output is correct |
53 |
Correct |
362 ms |
5676 KB |
Output is correct |
54 |
Correct |
448 ms |
5676 KB |
Output is correct |
55 |
Correct |
630 ms |
7608 KB |
Output is correct |
56 |
Correct |
405 ms |
7608 KB |
Output is correct |
57 |
Correct |
719 ms |
7864 KB |
Output is correct |
58 |
Correct |
511 ms |
7864 KB |
Output is correct |
59 |
Correct |
519 ms |
7864 KB |
Output is correct |
60 |
Correct |
133 ms |
7864 KB |
Output is correct |
61 |
Correct |
576 ms |
7864 KB |
Output is correct |
62 |
Correct |
574 ms |
7864 KB |
Output is correct |
63 |
Correct |
552 ms |
7864 KB |
Output is correct |
64 |
Correct |
550 ms |
7864 KB |
Output is correct |
65 |
Correct |
317 ms |
7864 KB |
Output is correct |
66 |
Correct |
312 ms |
7864 KB |
Output is correct |
67 |
Correct |
681 ms |
7864 KB |
Output is correct |
68 |
Correct |
174 ms |
7864 KB |
Output is correct |
69 |
Execution timed out |
1090 ms |
12216 KB |
Time limit exceeded |
70 |
Halted |
0 ms |
0 KB |
- |