#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-1)/2;
const int mod = 998244353;
int arr[mxn];
int dp[C];
int del[mxn][C];
int n;
int sum = 0;
inline ll mad(ll a,ll b){
a += b;
return a>=mod?a-mod:a;
}
inline ll mub(ll a,ll b){
return mad(a,mod-b);
}
inline bool check(int now){
if(sum&1)return false;
if(!dp[sum>>1])return false;
int tsum = sum+now;
for(int i = 1;i<=n;i++){
tsum -= arr[i];
if(tsum&1)return false;
if(tsum/2<now)return false;
if(!del[i][tsum>>1])return false;
tsum += arr[i];
}
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]]);
}
for(int i = 1;i<=n;i++){
for(int j = 0;j<C;j++)del[i][j] = dp[j];
for(int j = arr[i];j<C;j++)del[i][j] = mub(del[i][j],del[i][j-arr[i]]);
}
vector<int> ans;
for(int i = 1;i<C;i++){
if(check(i))ans.push_back(i);
}
/*
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 |
4 ms |
5212 KB |
Output is correct |
2 |
Correct |
3 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
2908 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
5 ms |
9052 KB |
Output is correct |
6 |
Correct |
4 ms |
7256 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
5 ms |
9052 KB |
Output is correct |
9 |
Correct |
4 ms |
7004 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5212 KB |
Output is correct |
2 |
Correct |
3 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
2908 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
5 ms |
9052 KB |
Output is correct |
6 |
Correct |
4 ms |
7256 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
5 ms |
9052 KB |
Output is correct |
9 |
Correct |
4 ms |
7004 KB |
Output is correct |
10 |
Correct |
11 ms |
17244 KB |
Output is correct |
11 |
Correct |
13 ms |
17244 KB |
Output is correct |
12 |
Correct |
11 ms |
17244 KB |
Output is correct |
13 |
Correct |
11 ms |
15196 KB |
Output is correct |
14 |
Correct |
12 ms |
17388 KB |
Output is correct |
15 |
Correct |
12 ms |
17244 KB |
Output is correct |
16 |
Correct |
13 ms |
17268 KB |
Output is correct |
17 |
Correct |
8 ms |
11100 KB |
Output is correct |
18 |
Correct |
10 ms |
15196 KB |
Output is correct |
19 |
Correct |
11 ms |
15244 KB |
Output is correct |
20 |
Correct |
12 ms |
17244 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5212 KB |
Output is correct |
2 |
Correct |
3 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
2908 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
5 ms |
9052 KB |
Output is correct |
6 |
Correct |
4 ms |
7256 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
5 ms |
9052 KB |
Output is correct |
9 |
Correct |
4 ms |
7004 KB |
Output is correct |
10 |
Correct |
11 ms |
17244 KB |
Output is correct |
11 |
Correct |
13 ms |
17244 KB |
Output is correct |
12 |
Correct |
11 ms |
17244 KB |
Output is correct |
13 |
Correct |
11 ms |
15196 KB |
Output is correct |
14 |
Correct |
12 ms |
17388 KB |
Output is correct |
15 |
Correct |
12 ms |
17244 KB |
Output is correct |
16 |
Correct |
13 ms |
17268 KB |
Output is correct |
17 |
Correct |
8 ms |
11100 KB |
Output is correct |
18 |
Correct |
10 ms |
15196 KB |
Output is correct |
19 |
Correct |
11 ms |
15244 KB |
Output is correct |
20 |
Correct |
12 ms |
17244 KB |
Output is correct |
21 |
Correct |
24 ms |
35676 KB |
Output is correct |
22 |
Correct |
27 ms |
39772 KB |
Output is correct |
23 |
Correct |
19 ms |
27484 KB |
Output is correct |
24 |
Correct |
35 ms |
50000 KB |
Output is correct |
25 |
Correct |
34 ms |
50004 KB |
Output is correct |
26 |
Correct |
37 ms |
52316 KB |
Output is correct |
27 |
Correct |
37 ms |
52052 KB |
Output is correct |
28 |
Correct |
37 ms |
52052 KB |
Output is correct |
29 |
Correct |
37 ms |
52184 KB |
Output is correct |
30 |
Correct |
38 ms |
52052 KB |
Output is correct |
31 |
Correct |
37 ms |
52316 KB |
Output is correct |
32 |
Correct |
37 ms |
52184 KB |
Output is correct |
33 |
Correct |
35 ms |
52048 KB |
Output is correct |
34 |
Correct |
38 ms |
52176 KB |
Output is correct |
35 |
Correct |
35 ms |
52052 KB |
Output is correct |
36 |
Correct |
38 ms |
52224 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5212 KB |
Output is correct |
2 |
Correct |
3 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
2908 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
5 ms |
9052 KB |
Output is correct |
6 |
Correct |
4 ms |
7256 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
5 ms |
9052 KB |
Output is correct |
9 |
Correct |
4 ms |
7004 KB |
Output is correct |
10 |
Correct |
11 ms |
17244 KB |
Output is correct |
11 |
Correct |
13 ms |
17244 KB |
Output is correct |
12 |
Correct |
11 ms |
17244 KB |
Output is correct |
13 |
Correct |
11 ms |
15196 KB |
Output is correct |
14 |
Correct |
12 ms |
17388 KB |
Output is correct |
15 |
Correct |
12 ms |
17244 KB |
Output is correct |
16 |
Correct |
13 ms |
17268 KB |
Output is correct |
17 |
Correct |
8 ms |
11100 KB |
Output is correct |
18 |
Correct |
10 ms |
15196 KB |
Output is correct |
19 |
Correct |
11 ms |
15244 KB |
Output is correct |
20 |
Correct |
12 ms |
17244 KB |
Output is correct |
21 |
Correct |
24 ms |
35676 KB |
Output is correct |
22 |
Correct |
27 ms |
39772 KB |
Output is correct |
23 |
Correct |
19 ms |
27484 KB |
Output is correct |
24 |
Correct |
35 ms |
50000 KB |
Output is correct |
25 |
Correct |
34 ms |
50004 KB |
Output is correct |
26 |
Correct |
37 ms |
52316 KB |
Output is correct |
27 |
Correct |
37 ms |
52052 KB |
Output is correct |
28 |
Correct |
37 ms |
52052 KB |
Output is correct |
29 |
Correct |
37 ms |
52184 KB |
Output is correct |
30 |
Correct |
38 ms |
52052 KB |
Output is correct |
31 |
Correct |
37 ms |
52316 KB |
Output is correct |
32 |
Correct |
37 ms |
52184 KB |
Output is correct |
33 |
Correct |
35 ms |
52048 KB |
Output is correct |
34 |
Correct |
38 ms |
52176 KB |
Output is correct |
35 |
Correct |
35 ms |
52052 KB |
Output is correct |
36 |
Correct |
38 ms |
52224 KB |
Output is correct |
37 |
Correct |
74 ms |
103504 KB |
Output is correct |
38 |
Correct |
75 ms |
103616 KB |
Output is correct |
39 |
Correct |
87 ms |
127992 KB |
Output is correct |
40 |
Correct |
102 ms |
140628 KB |
Output is correct |
41 |
Correct |
95 ms |
140372 KB |
Output is correct |
42 |
Correct |
94 ms |
130296 KB |
Output is correct |
43 |
Correct |
98 ms |
126444 KB |
Output is correct |
44 |
Correct |
99 ms |
128336 KB |
Output is correct |
45 |
Correct |
100 ms |
130388 KB |
Output is correct |
46 |
Correct |
94 ms |
140368 KB |
Output is correct |
47 |
Correct |
95 ms |
130248 KB |
Output is correct |
48 |
Correct |
97 ms |
130384 KB |
Output is correct |
49 |
Correct |
90 ms |
130132 KB |
Output is correct |
50 |
Correct |
97 ms |
130392 KB |
Output is correct |
51 |
Correct |
89 ms |
130204 KB |
Output is correct |
52 |
Correct |
110 ms |
140884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5212 KB |
Output is correct |
2 |
Correct |
3 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
2908 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
5 ms |
9052 KB |
Output is correct |
6 |
Correct |
4 ms |
7256 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
5 ms |
9052 KB |
Output is correct |
9 |
Correct |
4 ms |
7004 KB |
Output is correct |
10 |
Correct |
11 ms |
17244 KB |
Output is correct |
11 |
Correct |
13 ms |
17244 KB |
Output is correct |
12 |
Correct |
11 ms |
17244 KB |
Output is correct |
13 |
Correct |
11 ms |
15196 KB |
Output is correct |
14 |
Correct |
12 ms |
17388 KB |
Output is correct |
15 |
Correct |
12 ms |
17244 KB |
Output is correct |
16 |
Correct |
13 ms |
17268 KB |
Output is correct |
17 |
Correct |
8 ms |
11100 KB |
Output is correct |
18 |
Correct |
10 ms |
15196 KB |
Output is correct |
19 |
Correct |
11 ms |
15244 KB |
Output is correct |
20 |
Correct |
12 ms |
17244 KB |
Output is correct |
21 |
Correct |
24 ms |
35676 KB |
Output is correct |
22 |
Correct |
27 ms |
39772 KB |
Output is correct |
23 |
Correct |
19 ms |
27484 KB |
Output is correct |
24 |
Correct |
35 ms |
50000 KB |
Output is correct |
25 |
Correct |
34 ms |
50004 KB |
Output is correct |
26 |
Correct |
37 ms |
52316 KB |
Output is correct |
27 |
Correct |
37 ms |
52052 KB |
Output is correct |
28 |
Correct |
37 ms |
52052 KB |
Output is correct |
29 |
Correct |
37 ms |
52184 KB |
Output is correct |
30 |
Correct |
38 ms |
52052 KB |
Output is correct |
31 |
Correct |
37 ms |
52316 KB |
Output is correct |
32 |
Correct |
37 ms |
52184 KB |
Output is correct |
33 |
Correct |
35 ms |
52048 KB |
Output is correct |
34 |
Correct |
38 ms |
52176 KB |
Output is correct |
35 |
Correct |
35 ms |
52052 KB |
Output is correct |
36 |
Correct |
38 ms |
52224 KB |
Output is correct |
37 |
Correct |
74 ms |
103504 KB |
Output is correct |
38 |
Correct |
75 ms |
103616 KB |
Output is correct |
39 |
Correct |
87 ms |
127992 KB |
Output is correct |
40 |
Correct |
102 ms |
140628 KB |
Output is correct |
41 |
Correct |
95 ms |
140372 KB |
Output is correct |
42 |
Correct |
94 ms |
130296 KB |
Output is correct |
43 |
Correct |
98 ms |
126444 KB |
Output is correct |
44 |
Correct |
99 ms |
128336 KB |
Output is correct |
45 |
Correct |
100 ms |
130388 KB |
Output is correct |
46 |
Correct |
94 ms |
140368 KB |
Output is correct |
47 |
Correct |
95 ms |
130248 KB |
Output is correct |
48 |
Correct |
97 ms |
130384 KB |
Output is correct |
49 |
Correct |
90 ms |
130132 KB |
Output is correct |
50 |
Correct |
97 ms |
130392 KB |
Output is correct |
51 |
Correct |
89 ms |
130204 KB |
Output is correct |
52 |
Correct |
110 ms |
140884 KB |
Output is correct |
53 |
Correct |
117 ms |
154968 KB |
Output is correct |
54 |
Correct |
143 ms |
179712 KB |
Output is correct |
55 |
Correct |
153 ms |
180040 KB |
Output is correct |
56 |
Correct |
128 ms |
157268 KB |
Output is correct |
57 |
Correct |
155 ms |
179928 KB |
Output is correct |
58 |
Incorrect |
145 ms |
179896 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5212 KB |
Output is correct |
2 |
Correct |
3 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
2908 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
5 ms |
9052 KB |
Output is correct |
6 |
Correct |
4 ms |
7256 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
5 ms |
9052 KB |
Output is correct |
9 |
Correct |
4 ms |
7004 KB |
Output is correct |
10 |
Correct |
11 ms |
17244 KB |
Output is correct |
11 |
Correct |
13 ms |
17244 KB |
Output is correct |
12 |
Correct |
11 ms |
17244 KB |
Output is correct |
13 |
Correct |
11 ms |
15196 KB |
Output is correct |
14 |
Correct |
12 ms |
17388 KB |
Output is correct |
15 |
Correct |
12 ms |
17244 KB |
Output is correct |
16 |
Correct |
13 ms |
17268 KB |
Output is correct |
17 |
Correct |
8 ms |
11100 KB |
Output is correct |
18 |
Correct |
10 ms |
15196 KB |
Output is correct |
19 |
Correct |
11 ms |
15244 KB |
Output is correct |
20 |
Correct |
12 ms |
17244 KB |
Output is correct |
21 |
Correct |
24 ms |
35676 KB |
Output is correct |
22 |
Correct |
27 ms |
39772 KB |
Output is correct |
23 |
Correct |
19 ms |
27484 KB |
Output is correct |
24 |
Correct |
35 ms |
50000 KB |
Output is correct |
25 |
Correct |
34 ms |
50004 KB |
Output is correct |
26 |
Correct |
37 ms |
52316 KB |
Output is correct |
27 |
Correct |
37 ms |
52052 KB |
Output is correct |
28 |
Correct |
37 ms |
52052 KB |
Output is correct |
29 |
Correct |
37 ms |
52184 KB |
Output is correct |
30 |
Correct |
38 ms |
52052 KB |
Output is correct |
31 |
Correct |
37 ms |
52316 KB |
Output is correct |
32 |
Correct |
37 ms |
52184 KB |
Output is correct |
33 |
Correct |
35 ms |
52048 KB |
Output is correct |
34 |
Correct |
38 ms |
52176 KB |
Output is correct |
35 |
Correct |
35 ms |
52052 KB |
Output is correct |
36 |
Correct |
38 ms |
52224 KB |
Output is correct |
37 |
Correct |
74 ms |
103504 KB |
Output is correct |
38 |
Correct |
75 ms |
103616 KB |
Output is correct |
39 |
Correct |
87 ms |
127992 KB |
Output is correct |
40 |
Correct |
102 ms |
140628 KB |
Output is correct |
41 |
Correct |
95 ms |
140372 KB |
Output is correct |
42 |
Correct |
94 ms |
130296 KB |
Output is correct |
43 |
Correct |
98 ms |
126444 KB |
Output is correct |
44 |
Correct |
99 ms |
128336 KB |
Output is correct |
45 |
Correct |
100 ms |
130388 KB |
Output is correct |
46 |
Correct |
94 ms |
140368 KB |
Output is correct |
47 |
Correct |
95 ms |
130248 KB |
Output is correct |
48 |
Correct |
97 ms |
130384 KB |
Output is correct |
49 |
Correct |
90 ms |
130132 KB |
Output is correct |
50 |
Correct |
97 ms |
130392 KB |
Output is correct |
51 |
Correct |
89 ms |
130204 KB |
Output is correct |
52 |
Correct |
110 ms |
140884 KB |
Output is correct |
53 |
Correct |
117 ms |
154968 KB |
Output is correct |
54 |
Correct |
143 ms |
179712 KB |
Output is correct |
55 |
Correct |
153 ms |
180040 KB |
Output is correct |
56 |
Correct |
128 ms |
157268 KB |
Output is correct |
57 |
Correct |
155 ms |
179928 KB |
Output is correct |
58 |
Incorrect |
145 ms |
179896 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |