#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[mxn][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){
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);
}
vector<int> ans2;
mod = 712271227;
memset(dp,0,sizeof(dp));
dp[0] = 1;
for(int i = 1;i<=n;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]]);
}
for(auto &i:ans){
if(check(i))ans2.push_back(i);
}
swap(ans,ans2);
ans2.clear();
mod = 1e9+7;
memset(dp,0,sizeof(dp));
dp[0] = 1;
for(int i = 1;i<=n;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]]);
}
for(auto &i:ans){
if(check(i))ans2.push_back(i);
}
swap(ans,ans2);
ans2.clear();
mod = 1e8+7;
memset(dp,0,sizeof(dp));
dp[0] = 1;
for(int i = 1;i<=n;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]]);
}
for(auto &i:ans){
if(check(i))ans2.push_back(i);
}
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 |
17 ms |
9308 KB |
Output is correct |
2 |
Correct |
14 ms |
11356 KB |
Output is correct |
3 |
Correct |
12 ms |
7260 KB |
Output is correct |
4 |
Correct |
9 ms |
9308 KB |
Output is correct |
5 |
Correct |
26 ms |
17500 KB |
Output is correct |
6 |
Correct |
18 ms |
13632 KB |
Output is correct |
7 |
Correct |
14 ms |
11356 KB |
Output is correct |
8 |
Correct |
26 ms |
17500 KB |
Output is correct |
9 |
Correct |
21 ms |
15452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
9308 KB |
Output is correct |
2 |
Correct |
14 ms |
11356 KB |
Output is correct |
3 |
Correct |
12 ms |
7260 KB |
Output is correct |
4 |
Correct |
9 ms |
9308 KB |
Output is correct |
5 |
Correct |
26 ms |
17500 KB |
Output is correct |
6 |
Correct |
18 ms |
13632 KB |
Output is correct |
7 |
Correct |
14 ms |
11356 KB |
Output is correct |
8 |
Correct |
26 ms |
17500 KB |
Output is correct |
9 |
Correct |
21 ms |
15452 KB |
Output is correct |
10 |
Correct |
65 ms |
36188 KB |
Output is correct |
11 |
Correct |
76 ms |
36188 KB |
Output is correct |
12 |
Correct |
67 ms |
36184 KB |
Output is correct |
13 |
Correct |
70 ms |
32092 KB |
Output is correct |
14 |
Correct |
64 ms |
34136 KB |
Output is correct |
15 |
Correct |
72 ms |
34140 KB |
Output is correct |
16 |
Correct |
79 ms |
36188 KB |
Output is correct |
17 |
Correct |
43 ms |
23852 KB |
Output is correct |
18 |
Correct |
55 ms |
30040 KB |
Output is correct |
19 |
Correct |
61 ms |
32092 KB |
Output is correct |
20 |
Correct |
65 ms |
36188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
9308 KB |
Output is correct |
2 |
Correct |
14 ms |
11356 KB |
Output is correct |
3 |
Correct |
12 ms |
7260 KB |
Output is correct |
4 |
Correct |
9 ms |
9308 KB |
Output is correct |
5 |
Correct |
26 ms |
17500 KB |
Output is correct |
6 |
Correct |
18 ms |
13632 KB |
Output is correct |
7 |
Correct |
14 ms |
11356 KB |
Output is correct |
8 |
Correct |
26 ms |
17500 KB |
Output is correct |
9 |
Correct |
21 ms |
15452 KB |
Output is correct |
10 |
Correct |
65 ms |
36188 KB |
Output is correct |
11 |
Correct |
76 ms |
36188 KB |
Output is correct |
12 |
Correct |
67 ms |
36184 KB |
Output is correct |
13 |
Correct |
70 ms |
32092 KB |
Output is correct |
14 |
Correct |
64 ms |
34136 KB |
Output is correct |
15 |
Correct |
72 ms |
34140 KB |
Output is correct |
16 |
Correct |
79 ms |
36188 KB |
Output is correct |
17 |
Correct |
43 ms |
23852 KB |
Output is correct |
18 |
Correct |
55 ms |
30040 KB |
Output is correct |
19 |
Correct |
61 ms |
32092 KB |
Output is correct |
20 |
Correct |
65 ms |
36188 KB |
Output is correct |
21 |
Correct |
140 ms |
70992 KB |
Output is correct |
22 |
Correct |
162 ms |
81352 KB |
Output is correct |
23 |
Correct |
117 ms |
56608 KB |
Output is correct |
24 |
Correct |
210 ms |
101732 KB |
Output is correct |
25 |
Correct |
204 ms |
101716 KB |
Output is correct |
26 |
Correct |
220 ms |
108288 KB |
Output is correct |
27 |
Correct |
215 ms |
108104 KB |
Output is correct |
28 |
Correct |
216 ms |
108024 KB |
Output is correct |
29 |
Correct |
221 ms |
108120 KB |
Output is correct |
30 |
Correct |
210 ms |
107996 KB |
Output is correct |
31 |
Correct |
218 ms |
108052 KB |
Output is correct |
32 |
Correct |
221 ms |
108112 KB |
Output is correct |
33 |
Correct |
211 ms |
107860 KB |
Output is correct |
34 |
Correct |
210 ms |
108000 KB |
Output is correct |
35 |
Correct |
218 ms |
108112 KB |
Output is correct |
36 |
Correct |
233 ms |
107860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
9308 KB |
Output is correct |
2 |
Correct |
14 ms |
11356 KB |
Output is correct |
3 |
Correct |
12 ms |
7260 KB |
Output is correct |
4 |
Correct |
9 ms |
9308 KB |
Output is correct |
5 |
Correct |
26 ms |
17500 KB |
Output is correct |
6 |
Correct |
18 ms |
13632 KB |
Output is correct |
7 |
Correct |
14 ms |
11356 KB |
Output is correct |
8 |
Correct |
26 ms |
17500 KB |
Output is correct |
9 |
Correct |
21 ms |
15452 KB |
Output is correct |
10 |
Correct |
65 ms |
36188 KB |
Output is correct |
11 |
Correct |
76 ms |
36188 KB |
Output is correct |
12 |
Correct |
67 ms |
36184 KB |
Output is correct |
13 |
Correct |
70 ms |
32092 KB |
Output is correct |
14 |
Correct |
64 ms |
34136 KB |
Output is correct |
15 |
Correct |
72 ms |
34140 KB |
Output is correct |
16 |
Correct |
79 ms |
36188 KB |
Output is correct |
17 |
Correct |
43 ms |
23852 KB |
Output is correct |
18 |
Correct |
55 ms |
30040 KB |
Output is correct |
19 |
Correct |
61 ms |
32092 KB |
Output is correct |
20 |
Correct |
65 ms |
36188 KB |
Output is correct |
21 |
Correct |
140 ms |
70992 KB |
Output is correct |
22 |
Correct |
162 ms |
81352 KB |
Output is correct |
23 |
Correct |
117 ms |
56608 KB |
Output is correct |
24 |
Correct |
210 ms |
101732 KB |
Output is correct |
25 |
Correct |
204 ms |
101716 KB |
Output is correct |
26 |
Correct |
220 ms |
108288 KB |
Output is correct |
27 |
Correct |
215 ms |
108104 KB |
Output is correct |
28 |
Correct |
216 ms |
108024 KB |
Output is correct |
29 |
Correct |
221 ms |
108120 KB |
Output is correct |
30 |
Correct |
210 ms |
107996 KB |
Output is correct |
31 |
Correct |
218 ms |
108052 KB |
Output is correct |
32 |
Correct |
221 ms |
108112 KB |
Output is correct |
33 |
Correct |
211 ms |
107860 KB |
Output is correct |
34 |
Correct |
210 ms |
108000 KB |
Output is correct |
35 |
Correct |
218 ms |
108112 KB |
Output is correct |
36 |
Correct |
233 ms |
107860 KB |
Output is correct |
37 |
Correct |
480 ms |
208748 KB |
Output is correct |
38 |
Correct |
437 ms |
208700 KB |
Output is correct |
39 |
Correct |
553 ms |
257816 KB |
Output is correct |
40 |
Runtime error |
155 ms |
262144 KB |
Execution killed with signal 9 |
41 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
9308 KB |
Output is correct |
2 |
Correct |
14 ms |
11356 KB |
Output is correct |
3 |
Correct |
12 ms |
7260 KB |
Output is correct |
4 |
Correct |
9 ms |
9308 KB |
Output is correct |
5 |
Correct |
26 ms |
17500 KB |
Output is correct |
6 |
Correct |
18 ms |
13632 KB |
Output is correct |
7 |
Correct |
14 ms |
11356 KB |
Output is correct |
8 |
Correct |
26 ms |
17500 KB |
Output is correct |
9 |
Correct |
21 ms |
15452 KB |
Output is correct |
10 |
Correct |
65 ms |
36188 KB |
Output is correct |
11 |
Correct |
76 ms |
36188 KB |
Output is correct |
12 |
Correct |
67 ms |
36184 KB |
Output is correct |
13 |
Correct |
70 ms |
32092 KB |
Output is correct |
14 |
Correct |
64 ms |
34136 KB |
Output is correct |
15 |
Correct |
72 ms |
34140 KB |
Output is correct |
16 |
Correct |
79 ms |
36188 KB |
Output is correct |
17 |
Correct |
43 ms |
23852 KB |
Output is correct |
18 |
Correct |
55 ms |
30040 KB |
Output is correct |
19 |
Correct |
61 ms |
32092 KB |
Output is correct |
20 |
Correct |
65 ms |
36188 KB |
Output is correct |
21 |
Correct |
140 ms |
70992 KB |
Output is correct |
22 |
Correct |
162 ms |
81352 KB |
Output is correct |
23 |
Correct |
117 ms |
56608 KB |
Output is correct |
24 |
Correct |
210 ms |
101732 KB |
Output is correct |
25 |
Correct |
204 ms |
101716 KB |
Output is correct |
26 |
Correct |
220 ms |
108288 KB |
Output is correct |
27 |
Correct |
215 ms |
108104 KB |
Output is correct |
28 |
Correct |
216 ms |
108024 KB |
Output is correct |
29 |
Correct |
221 ms |
108120 KB |
Output is correct |
30 |
Correct |
210 ms |
107996 KB |
Output is correct |
31 |
Correct |
218 ms |
108052 KB |
Output is correct |
32 |
Correct |
221 ms |
108112 KB |
Output is correct |
33 |
Correct |
211 ms |
107860 KB |
Output is correct |
34 |
Correct |
210 ms |
108000 KB |
Output is correct |
35 |
Correct |
218 ms |
108112 KB |
Output is correct |
36 |
Correct |
233 ms |
107860 KB |
Output is correct |
37 |
Correct |
480 ms |
208748 KB |
Output is correct |
38 |
Correct |
437 ms |
208700 KB |
Output is correct |
39 |
Correct |
553 ms |
257816 KB |
Output is correct |
40 |
Runtime error |
155 ms |
262144 KB |
Execution killed with signal 9 |
41 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
9308 KB |
Output is correct |
2 |
Correct |
14 ms |
11356 KB |
Output is correct |
3 |
Correct |
12 ms |
7260 KB |
Output is correct |
4 |
Correct |
9 ms |
9308 KB |
Output is correct |
5 |
Correct |
26 ms |
17500 KB |
Output is correct |
6 |
Correct |
18 ms |
13632 KB |
Output is correct |
7 |
Correct |
14 ms |
11356 KB |
Output is correct |
8 |
Correct |
26 ms |
17500 KB |
Output is correct |
9 |
Correct |
21 ms |
15452 KB |
Output is correct |
10 |
Correct |
65 ms |
36188 KB |
Output is correct |
11 |
Correct |
76 ms |
36188 KB |
Output is correct |
12 |
Correct |
67 ms |
36184 KB |
Output is correct |
13 |
Correct |
70 ms |
32092 KB |
Output is correct |
14 |
Correct |
64 ms |
34136 KB |
Output is correct |
15 |
Correct |
72 ms |
34140 KB |
Output is correct |
16 |
Correct |
79 ms |
36188 KB |
Output is correct |
17 |
Correct |
43 ms |
23852 KB |
Output is correct |
18 |
Correct |
55 ms |
30040 KB |
Output is correct |
19 |
Correct |
61 ms |
32092 KB |
Output is correct |
20 |
Correct |
65 ms |
36188 KB |
Output is correct |
21 |
Correct |
140 ms |
70992 KB |
Output is correct |
22 |
Correct |
162 ms |
81352 KB |
Output is correct |
23 |
Correct |
117 ms |
56608 KB |
Output is correct |
24 |
Correct |
210 ms |
101732 KB |
Output is correct |
25 |
Correct |
204 ms |
101716 KB |
Output is correct |
26 |
Correct |
220 ms |
108288 KB |
Output is correct |
27 |
Correct |
215 ms |
108104 KB |
Output is correct |
28 |
Correct |
216 ms |
108024 KB |
Output is correct |
29 |
Correct |
221 ms |
108120 KB |
Output is correct |
30 |
Correct |
210 ms |
107996 KB |
Output is correct |
31 |
Correct |
218 ms |
108052 KB |
Output is correct |
32 |
Correct |
221 ms |
108112 KB |
Output is correct |
33 |
Correct |
211 ms |
107860 KB |
Output is correct |
34 |
Correct |
210 ms |
108000 KB |
Output is correct |
35 |
Correct |
218 ms |
108112 KB |
Output is correct |
36 |
Correct |
233 ms |
107860 KB |
Output is correct |
37 |
Correct |
480 ms |
208748 KB |
Output is correct |
38 |
Correct |
437 ms |
208700 KB |
Output is correct |
39 |
Correct |
553 ms |
257816 KB |
Output is correct |
40 |
Runtime error |
155 ms |
262144 KB |
Execution killed with signal 9 |
41 |
Halted |
0 ms |
0 KB |
- |