#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>
const int mxn = 510;
const int C = mxn*mxn;
int mod = 998244353;
int arr[mxn];
int dp[C];
int del[C];
int n;
int sum = 0;
inline ll mad(int a,int b){
a += b;
return a>=mod?a-mod:a;
}
inline ll mub(int a,int b){
return mad(a,mod-b);
}
inline bool check(int now,int tsum){
if(sum&1)return false;
if(!dp[sum>>1])return false;
if(tsum&1)return false;
if(tsum/2<now)return false;
if(!del[tsum>>1])return false;
return true;
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n;
dp[0] = 1;
for(int i = 1;i<=n;i++){
cin>>arr[i];
sum += arr[i];
for(int j = C-1;j>=arr[i];j--)dp[j] =mad(dp[j],dp[j-arr[i]]);
}
vector<int> ans,ans2;
for(int i = 1;i<=sum;i++)ans.push_back(i);
for(int i = 1;i<=n;i++){
for(int j = 0;j<C;j++)del[j] = dp[j];
for(int j = arr[i];j<C;j++)del[j] = mub(del[j],del[j-arr[i]]);
for(auto &j:ans){
if(check(j,sum-arr[i]+j))ans2.push_back(j);
}
swap(ans,ans2);
ans2.clear();
}
/*
for(int i = 0;i<=10;i++)cout<<dp[i]<<' ';cout<<endl;
cout<<sum<<endl;
cout<<endl;
for(int i = 1;i<=n;i++){
for(int j = 0;j<=10;j++)cout<<del[i][j]<<' ';cout<<endl;
}
*/
cout<<ans.size()<<'\n';
for(auto &i:ans)cout<<i<<' ';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
2396 KB |
Output is correct |
3 |
Correct |
3 ms |
2396 KB |
Output is correct |
4 |
Correct |
3 ms |
2648 KB |
Output is correct |
5 |
Correct |
7 ms |
2396 KB |
Output is correct |
6 |
Correct |
5 ms |
2500 KB |
Output is correct |
7 |
Correct |
4 ms |
2396 KB |
Output is correct |
8 |
Correct |
7 ms |
2396 KB |
Output is correct |
9 |
Correct |
6 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
2396 KB |
Output is correct |
3 |
Correct |
3 ms |
2396 KB |
Output is correct |
4 |
Correct |
3 ms |
2648 KB |
Output is correct |
5 |
Correct |
7 ms |
2396 KB |
Output is correct |
6 |
Correct |
5 ms |
2500 KB |
Output is correct |
7 |
Correct |
4 ms |
2396 KB |
Output is correct |
8 |
Correct |
7 ms |
2396 KB |
Output is correct |
9 |
Correct |
6 ms |
2396 KB |
Output is correct |
10 |
Correct |
15 ms |
2396 KB |
Output is correct |
11 |
Correct |
18 ms |
2492 KB |
Output is correct |
12 |
Correct |
16 ms |
2396 KB |
Output is correct |
13 |
Correct |
14 ms |
2396 KB |
Output is correct |
14 |
Correct |
15 ms |
2496 KB |
Output is correct |
15 |
Correct |
17 ms |
2396 KB |
Output is correct |
16 |
Correct |
19 ms |
2396 KB |
Output is correct |
17 |
Correct |
10 ms |
2500 KB |
Output is correct |
18 |
Correct |
16 ms |
2396 KB |
Output is correct |
19 |
Correct |
14 ms |
2396 KB |
Output is correct |
20 |
Correct |
15 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
2396 KB |
Output is correct |
3 |
Correct |
3 ms |
2396 KB |
Output is correct |
4 |
Correct |
3 ms |
2648 KB |
Output is correct |
5 |
Correct |
7 ms |
2396 KB |
Output is correct |
6 |
Correct |
5 ms |
2500 KB |
Output is correct |
7 |
Correct |
4 ms |
2396 KB |
Output is correct |
8 |
Correct |
7 ms |
2396 KB |
Output is correct |
9 |
Correct |
6 ms |
2396 KB |
Output is correct |
10 |
Correct |
15 ms |
2396 KB |
Output is correct |
11 |
Correct |
18 ms |
2492 KB |
Output is correct |
12 |
Correct |
16 ms |
2396 KB |
Output is correct |
13 |
Correct |
14 ms |
2396 KB |
Output is correct |
14 |
Correct |
15 ms |
2496 KB |
Output is correct |
15 |
Correct |
17 ms |
2396 KB |
Output is correct |
16 |
Correct |
19 ms |
2396 KB |
Output is correct |
17 |
Correct |
10 ms |
2500 KB |
Output is correct |
18 |
Correct |
16 ms |
2396 KB |
Output is correct |
19 |
Correct |
14 ms |
2396 KB |
Output is correct |
20 |
Correct |
15 ms |
2396 KB |
Output is correct |
21 |
Correct |
32 ms |
2392 KB |
Output is correct |
22 |
Correct |
36 ms |
2392 KB |
Output is correct |
23 |
Correct |
26 ms |
2396 KB |
Output is correct |
24 |
Correct |
48 ms |
2392 KB |
Output is correct |
25 |
Correct |
46 ms |
2580 KB |
Output is correct |
26 |
Correct |
54 ms |
2480 KB |
Output is correct |
27 |
Correct |
47 ms |
2392 KB |
Output is correct |
28 |
Correct |
49 ms |
2392 KB |
Output is correct |
29 |
Correct |
47 ms |
2384 KB |
Output is correct |
30 |
Correct |
47 ms |
2388 KB |
Output is correct |
31 |
Correct |
49 ms |
2548 KB |
Output is correct |
32 |
Correct |
49 ms |
2396 KB |
Output is correct |
33 |
Correct |
48 ms |
2396 KB |
Output is correct |
34 |
Correct |
50 ms |
2388 KB |
Output is correct |
35 |
Correct |
47 ms |
2576 KB |
Output is correct |
36 |
Correct |
50 ms |
2384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
2396 KB |
Output is correct |
3 |
Correct |
3 ms |
2396 KB |
Output is correct |
4 |
Correct |
3 ms |
2648 KB |
Output is correct |
5 |
Correct |
7 ms |
2396 KB |
Output is correct |
6 |
Correct |
5 ms |
2500 KB |
Output is correct |
7 |
Correct |
4 ms |
2396 KB |
Output is correct |
8 |
Correct |
7 ms |
2396 KB |
Output is correct |
9 |
Correct |
6 ms |
2396 KB |
Output is correct |
10 |
Correct |
15 ms |
2396 KB |
Output is correct |
11 |
Correct |
18 ms |
2492 KB |
Output is correct |
12 |
Correct |
16 ms |
2396 KB |
Output is correct |
13 |
Correct |
14 ms |
2396 KB |
Output is correct |
14 |
Correct |
15 ms |
2496 KB |
Output is correct |
15 |
Correct |
17 ms |
2396 KB |
Output is correct |
16 |
Correct |
19 ms |
2396 KB |
Output is correct |
17 |
Correct |
10 ms |
2500 KB |
Output is correct |
18 |
Correct |
16 ms |
2396 KB |
Output is correct |
19 |
Correct |
14 ms |
2396 KB |
Output is correct |
20 |
Correct |
15 ms |
2396 KB |
Output is correct |
21 |
Correct |
32 ms |
2392 KB |
Output is correct |
22 |
Correct |
36 ms |
2392 KB |
Output is correct |
23 |
Correct |
26 ms |
2396 KB |
Output is correct |
24 |
Correct |
48 ms |
2392 KB |
Output is correct |
25 |
Correct |
46 ms |
2580 KB |
Output is correct |
26 |
Correct |
54 ms |
2480 KB |
Output is correct |
27 |
Correct |
47 ms |
2392 KB |
Output is correct |
28 |
Correct |
49 ms |
2392 KB |
Output is correct |
29 |
Correct |
47 ms |
2384 KB |
Output is correct |
30 |
Correct |
47 ms |
2388 KB |
Output is correct |
31 |
Correct |
49 ms |
2548 KB |
Output is correct |
32 |
Correct |
49 ms |
2396 KB |
Output is correct |
33 |
Correct |
48 ms |
2396 KB |
Output is correct |
34 |
Correct |
50 ms |
2388 KB |
Output is correct |
35 |
Correct |
47 ms |
2576 KB |
Output is correct |
36 |
Correct |
50 ms |
2384 KB |
Output is correct |
37 |
Correct |
103 ms |
2676 KB |
Output is correct |
38 |
Correct |
97 ms |
2676 KB |
Output is correct |
39 |
Correct |
115 ms |
2616 KB |
Output is correct |
40 |
Correct |
134 ms |
2720 KB |
Output is correct |
41 |
Correct |
132 ms |
2768 KB |
Output is correct |
42 |
Correct |
127 ms |
2736 KB |
Output is correct |
43 |
Correct |
128 ms |
2936 KB |
Output is correct |
44 |
Correct |
129 ms |
3032 KB |
Output is correct |
45 |
Correct |
138 ms |
2940 KB |
Output is correct |
46 |
Correct |
126 ms |
2480 KB |
Output is correct |
47 |
Correct |
126 ms |
2644 KB |
Output is correct |
48 |
Correct |
126 ms |
3032 KB |
Output is correct |
49 |
Correct |
121 ms |
3028 KB |
Output is correct |
50 |
Correct |
127 ms |
2644 KB |
Output is correct |
51 |
Correct |
117 ms |
2496 KB |
Output is correct |
52 |
Correct |
140 ms |
3016 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
2396 KB |
Output is correct |
3 |
Correct |
3 ms |
2396 KB |
Output is correct |
4 |
Correct |
3 ms |
2648 KB |
Output is correct |
5 |
Correct |
7 ms |
2396 KB |
Output is correct |
6 |
Correct |
5 ms |
2500 KB |
Output is correct |
7 |
Correct |
4 ms |
2396 KB |
Output is correct |
8 |
Correct |
7 ms |
2396 KB |
Output is correct |
9 |
Correct |
6 ms |
2396 KB |
Output is correct |
10 |
Correct |
15 ms |
2396 KB |
Output is correct |
11 |
Correct |
18 ms |
2492 KB |
Output is correct |
12 |
Correct |
16 ms |
2396 KB |
Output is correct |
13 |
Correct |
14 ms |
2396 KB |
Output is correct |
14 |
Correct |
15 ms |
2496 KB |
Output is correct |
15 |
Correct |
17 ms |
2396 KB |
Output is correct |
16 |
Correct |
19 ms |
2396 KB |
Output is correct |
17 |
Correct |
10 ms |
2500 KB |
Output is correct |
18 |
Correct |
16 ms |
2396 KB |
Output is correct |
19 |
Correct |
14 ms |
2396 KB |
Output is correct |
20 |
Correct |
15 ms |
2396 KB |
Output is correct |
21 |
Correct |
32 ms |
2392 KB |
Output is correct |
22 |
Correct |
36 ms |
2392 KB |
Output is correct |
23 |
Correct |
26 ms |
2396 KB |
Output is correct |
24 |
Correct |
48 ms |
2392 KB |
Output is correct |
25 |
Correct |
46 ms |
2580 KB |
Output is correct |
26 |
Correct |
54 ms |
2480 KB |
Output is correct |
27 |
Correct |
47 ms |
2392 KB |
Output is correct |
28 |
Correct |
49 ms |
2392 KB |
Output is correct |
29 |
Correct |
47 ms |
2384 KB |
Output is correct |
30 |
Correct |
47 ms |
2388 KB |
Output is correct |
31 |
Correct |
49 ms |
2548 KB |
Output is correct |
32 |
Correct |
49 ms |
2396 KB |
Output is correct |
33 |
Correct |
48 ms |
2396 KB |
Output is correct |
34 |
Correct |
50 ms |
2388 KB |
Output is correct |
35 |
Correct |
47 ms |
2576 KB |
Output is correct |
36 |
Correct |
50 ms |
2384 KB |
Output is correct |
37 |
Correct |
103 ms |
2676 KB |
Output is correct |
38 |
Correct |
97 ms |
2676 KB |
Output is correct |
39 |
Correct |
115 ms |
2616 KB |
Output is correct |
40 |
Correct |
134 ms |
2720 KB |
Output is correct |
41 |
Correct |
132 ms |
2768 KB |
Output is correct |
42 |
Correct |
127 ms |
2736 KB |
Output is correct |
43 |
Correct |
128 ms |
2936 KB |
Output is correct |
44 |
Correct |
129 ms |
3032 KB |
Output is correct |
45 |
Correct |
138 ms |
2940 KB |
Output is correct |
46 |
Correct |
126 ms |
2480 KB |
Output is correct |
47 |
Correct |
126 ms |
2644 KB |
Output is correct |
48 |
Correct |
126 ms |
3032 KB |
Output is correct |
49 |
Correct |
121 ms |
3028 KB |
Output is correct |
50 |
Correct |
127 ms |
2644 KB |
Output is correct |
51 |
Correct |
117 ms |
2496 KB |
Output is correct |
52 |
Correct |
140 ms |
3016 KB |
Output is correct |
53 |
Correct |
158 ms |
2868 KB |
Output is correct |
54 |
Correct |
180 ms |
2884 KB |
Output is correct |
55 |
Correct |
198 ms |
3648 KB |
Output is correct |
56 |
Correct |
162 ms |
3024 KB |
Output is correct |
57 |
Correct |
201 ms |
3632 KB |
Output is correct |
58 |
Incorrect |
185 ms |
3028 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
2396 KB |
Output is correct |
3 |
Correct |
3 ms |
2396 KB |
Output is correct |
4 |
Correct |
3 ms |
2648 KB |
Output is correct |
5 |
Correct |
7 ms |
2396 KB |
Output is correct |
6 |
Correct |
5 ms |
2500 KB |
Output is correct |
7 |
Correct |
4 ms |
2396 KB |
Output is correct |
8 |
Correct |
7 ms |
2396 KB |
Output is correct |
9 |
Correct |
6 ms |
2396 KB |
Output is correct |
10 |
Correct |
15 ms |
2396 KB |
Output is correct |
11 |
Correct |
18 ms |
2492 KB |
Output is correct |
12 |
Correct |
16 ms |
2396 KB |
Output is correct |
13 |
Correct |
14 ms |
2396 KB |
Output is correct |
14 |
Correct |
15 ms |
2496 KB |
Output is correct |
15 |
Correct |
17 ms |
2396 KB |
Output is correct |
16 |
Correct |
19 ms |
2396 KB |
Output is correct |
17 |
Correct |
10 ms |
2500 KB |
Output is correct |
18 |
Correct |
16 ms |
2396 KB |
Output is correct |
19 |
Correct |
14 ms |
2396 KB |
Output is correct |
20 |
Correct |
15 ms |
2396 KB |
Output is correct |
21 |
Correct |
32 ms |
2392 KB |
Output is correct |
22 |
Correct |
36 ms |
2392 KB |
Output is correct |
23 |
Correct |
26 ms |
2396 KB |
Output is correct |
24 |
Correct |
48 ms |
2392 KB |
Output is correct |
25 |
Correct |
46 ms |
2580 KB |
Output is correct |
26 |
Correct |
54 ms |
2480 KB |
Output is correct |
27 |
Correct |
47 ms |
2392 KB |
Output is correct |
28 |
Correct |
49 ms |
2392 KB |
Output is correct |
29 |
Correct |
47 ms |
2384 KB |
Output is correct |
30 |
Correct |
47 ms |
2388 KB |
Output is correct |
31 |
Correct |
49 ms |
2548 KB |
Output is correct |
32 |
Correct |
49 ms |
2396 KB |
Output is correct |
33 |
Correct |
48 ms |
2396 KB |
Output is correct |
34 |
Correct |
50 ms |
2388 KB |
Output is correct |
35 |
Correct |
47 ms |
2576 KB |
Output is correct |
36 |
Correct |
50 ms |
2384 KB |
Output is correct |
37 |
Correct |
103 ms |
2676 KB |
Output is correct |
38 |
Correct |
97 ms |
2676 KB |
Output is correct |
39 |
Correct |
115 ms |
2616 KB |
Output is correct |
40 |
Correct |
134 ms |
2720 KB |
Output is correct |
41 |
Correct |
132 ms |
2768 KB |
Output is correct |
42 |
Correct |
127 ms |
2736 KB |
Output is correct |
43 |
Correct |
128 ms |
2936 KB |
Output is correct |
44 |
Correct |
129 ms |
3032 KB |
Output is correct |
45 |
Correct |
138 ms |
2940 KB |
Output is correct |
46 |
Correct |
126 ms |
2480 KB |
Output is correct |
47 |
Correct |
126 ms |
2644 KB |
Output is correct |
48 |
Correct |
126 ms |
3032 KB |
Output is correct |
49 |
Correct |
121 ms |
3028 KB |
Output is correct |
50 |
Correct |
127 ms |
2644 KB |
Output is correct |
51 |
Correct |
117 ms |
2496 KB |
Output is correct |
52 |
Correct |
140 ms |
3016 KB |
Output is correct |
53 |
Correct |
158 ms |
2868 KB |
Output is correct |
54 |
Correct |
180 ms |
2884 KB |
Output is correct |
55 |
Correct |
198 ms |
3648 KB |
Output is correct |
56 |
Correct |
162 ms |
3024 KB |
Output is correct |
57 |
Correct |
201 ms |
3632 KB |
Output is correct |
58 |
Incorrect |
185 ms |
3028 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |