#include <bits/stdc++.h>
using namespace std;
#define pb push_back
vector <int> ans;
int n,a[507],sum[507],dp[250007],save[250007],res[250007];
int main(){
ios_base::sync_with_stdio(0);
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
sum[i]=sum[i-1]+a[i];
}
if(sum[n]%2==1){
cout<<0;
return 0;
}
save[0]=1;
save[a[1]]=1;
for(int i=2;i<=n;i++){
for(int j=0;j<=sum[i];j++){
if(j<a[i]) dp[j]=save[j];
else dp[j]=save[j]+save[j-a[i]];
}
for(int j=0;j<=sum[i];j++) save[j]=dp[j];
}
if(dp[sum[n]/2]==0){
cout<<0;
return 0;
}
for(int i=1;i<=n;i++){
for(int j=0;j<=sum[n];j++) save[j]=dp[j];
for(int j=0;j<=sum[n];j++){
if(j>=a[i]) save[j]-=save[j-a[i]];
}
for(int j=sum[n];j>=1;j--){
int val=sum[n]+j-a[i];
if(val%2==1 || save[val/2]==0) continue;
res[j]++;
}
}
for(int j=1;j<=sum[n];j++){
if(res[j]==n) ans.pb(j);
}
cout<<(int)ans.size()<<"\n";
for(int i=0;i<(int)ans.size();i++) cout<<ans[i]<<" ";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
5108 KB |
Output is correct |
2 |
Correct |
0 ms |
5108 KB |
Output is correct |
3 |
Correct |
0 ms |
5108 KB |
Output is correct |
4 |
Correct |
0 ms |
5108 KB |
Output is correct |
5 |
Correct |
0 ms |
5108 KB |
Output is correct |
6 |
Correct |
0 ms |
5108 KB |
Output is correct |
7 |
Correct |
0 ms |
5108 KB |
Output is correct |
8 |
Correct |
0 ms |
5108 KB |
Output is correct |
9 |
Correct |
0 ms |
5108 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
5108 KB |
Output is correct |
2 |
Correct |
0 ms |
5108 KB |
Output is correct |
3 |
Correct |
0 ms |
5108 KB |
Output is correct |
4 |
Correct |
0 ms |
5108 KB |
Output is correct |
5 |
Correct |
0 ms |
5108 KB |
Output is correct |
6 |
Correct |
0 ms |
5108 KB |
Output is correct |
7 |
Correct |
0 ms |
5108 KB |
Output is correct |
8 |
Correct |
0 ms |
5108 KB |
Output is correct |
9 |
Correct |
0 ms |
5108 KB |
Output is correct |
10 |
Correct |
0 ms |
5108 KB |
Output is correct |
11 |
Correct |
0 ms |
5108 KB |
Output is correct |
12 |
Correct |
0 ms |
5108 KB |
Output is correct |
13 |
Correct |
0 ms |
5108 KB |
Output is correct |
14 |
Correct |
0 ms |
5108 KB |
Output is correct |
15 |
Correct |
0 ms |
5108 KB |
Output is correct |
16 |
Correct |
0 ms |
5108 KB |
Output is correct |
17 |
Correct |
0 ms |
5108 KB |
Output is correct |
18 |
Correct |
0 ms |
5108 KB |
Output is correct |
19 |
Correct |
0 ms |
5108 KB |
Output is correct |
20 |
Correct |
0 ms |
5108 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
5108 KB |
Output is correct |
2 |
Correct |
0 ms |
5108 KB |
Output is correct |
3 |
Correct |
0 ms |
5108 KB |
Output is correct |
4 |
Correct |
0 ms |
5108 KB |
Output is correct |
5 |
Correct |
0 ms |
5108 KB |
Output is correct |
6 |
Correct |
0 ms |
5108 KB |
Output is correct |
7 |
Correct |
0 ms |
5108 KB |
Output is correct |
8 |
Correct |
0 ms |
5108 KB |
Output is correct |
9 |
Correct |
0 ms |
5108 KB |
Output is correct |
10 |
Correct |
0 ms |
5108 KB |
Output is correct |
11 |
Correct |
0 ms |
5108 KB |
Output is correct |
12 |
Correct |
0 ms |
5108 KB |
Output is correct |
13 |
Correct |
0 ms |
5108 KB |
Output is correct |
14 |
Correct |
0 ms |
5108 KB |
Output is correct |
15 |
Correct |
0 ms |
5108 KB |
Output is correct |
16 |
Correct |
0 ms |
5108 KB |
Output is correct |
17 |
Correct |
0 ms |
5108 KB |
Output is correct |
18 |
Correct |
0 ms |
5108 KB |
Output is correct |
19 |
Correct |
0 ms |
5108 KB |
Output is correct |
20 |
Correct |
0 ms |
5108 KB |
Output is correct |
21 |
Correct |
0 ms |
5108 KB |
Output is correct |
22 |
Correct |
0 ms |
5108 KB |
Output is correct |
23 |
Correct |
0 ms |
5108 KB |
Output is correct |
24 |
Runtime error |
0 ms |
5108 KB |
Execution killed because of forbidden syscall writev (20) |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
5108 KB |
Output is correct |
2 |
Correct |
0 ms |
5108 KB |
Output is correct |
3 |
Correct |
0 ms |
5108 KB |
Output is correct |
4 |
Correct |
0 ms |
5108 KB |
Output is correct |
5 |
Correct |
0 ms |
5108 KB |
Output is correct |
6 |
Correct |
0 ms |
5108 KB |
Output is correct |
7 |
Correct |
0 ms |
5108 KB |
Output is correct |
8 |
Correct |
0 ms |
5108 KB |
Output is correct |
9 |
Correct |
0 ms |
5108 KB |
Output is correct |
10 |
Correct |
0 ms |
5108 KB |
Output is correct |
11 |
Correct |
0 ms |
5108 KB |
Output is correct |
12 |
Correct |
0 ms |
5108 KB |
Output is correct |
13 |
Correct |
0 ms |
5108 KB |
Output is correct |
14 |
Correct |
0 ms |
5108 KB |
Output is correct |
15 |
Correct |
0 ms |
5108 KB |
Output is correct |
16 |
Correct |
0 ms |
5108 KB |
Output is correct |
17 |
Correct |
0 ms |
5108 KB |
Output is correct |
18 |
Correct |
0 ms |
5108 KB |
Output is correct |
19 |
Correct |
0 ms |
5108 KB |
Output is correct |
20 |
Correct |
0 ms |
5108 KB |
Output is correct |
21 |
Correct |
0 ms |
5108 KB |
Output is correct |
22 |
Correct |
0 ms |
5108 KB |
Output is correct |
23 |
Correct |
0 ms |
5108 KB |
Output is correct |
24 |
Runtime error |
0 ms |
5108 KB |
Execution killed because of forbidden syscall writev (20) |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
5108 KB |
Output is correct |
2 |
Correct |
0 ms |
5108 KB |
Output is correct |
3 |
Correct |
0 ms |
5108 KB |
Output is correct |
4 |
Correct |
0 ms |
5108 KB |
Output is correct |
5 |
Correct |
0 ms |
5108 KB |
Output is correct |
6 |
Correct |
0 ms |
5108 KB |
Output is correct |
7 |
Correct |
0 ms |
5108 KB |
Output is correct |
8 |
Correct |
0 ms |
5108 KB |
Output is correct |
9 |
Correct |
0 ms |
5108 KB |
Output is correct |
10 |
Correct |
0 ms |
5108 KB |
Output is correct |
11 |
Correct |
0 ms |
5108 KB |
Output is correct |
12 |
Correct |
0 ms |
5108 KB |
Output is correct |
13 |
Correct |
0 ms |
5108 KB |
Output is correct |
14 |
Correct |
0 ms |
5108 KB |
Output is correct |
15 |
Correct |
0 ms |
5108 KB |
Output is correct |
16 |
Correct |
0 ms |
5108 KB |
Output is correct |
17 |
Correct |
0 ms |
5108 KB |
Output is correct |
18 |
Correct |
0 ms |
5108 KB |
Output is correct |
19 |
Correct |
0 ms |
5108 KB |
Output is correct |
20 |
Correct |
0 ms |
5108 KB |
Output is correct |
21 |
Correct |
0 ms |
5108 KB |
Output is correct |
22 |
Correct |
0 ms |
5108 KB |
Output is correct |
23 |
Correct |
0 ms |
5108 KB |
Output is correct |
24 |
Runtime error |
0 ms |
5108 KB |
Execution killed because of forbidden syscall writev (20) |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
5108 KB |
Output is correct |
2 |
Correct |
0 ms |
5108 KB |
Output is correct |
3 |
Correct |
0 ms |
5108 KB |
Output is correct |
4 |
Correct |
0 ms |
5108 KB |
Output is correct |
5 |
Correct |
0 ms |
5108 KB |
Output is correct |
6 |
Correct |
0 ms |
5108 KB |
Output is correct |
7 |
Correct |
0 ms |
5108 KB |
Output is correct |
8 |
Correct |
0 ms |
5108 KB |
Output is correct |
9 |
Correct |
0 ms |
5108 KB |
Output is correct |
10 |
Correct |
0 ms |
5108 KB |
Output is correct |
11 |
Correct |
0 ms |
5108 KB |
Output is correct |
12 |
Correct |
0 ms |
5108 KB |
Output is correct |
13 |
Correct |
0 ms |
5108 KB |
Output is correct |
14 |
Correct |
0 ms |
5108 KB |
Output is correct |
15 |
Correct |
0 ms |
5108 KB |
Output is correct |
16 |
Correct |
0 ms |
5108 KB |
Output is correct |
17 |
Correct |
0 ms |
5108 KB |
Output is correct |
18 |
Correct |
0 ms |
5108 KB |
Output is correct |
19 |
Correct |
0 ms |
5108 KB |
Output is correct |
20 |
Correct |
0 ms |
5108 KB |
Output is correct |
21 |
Correct |
0 ms |
5108 KB |
Output is correct |
22 |
Correct |
0 ms |
5108 KB |
Output is correct |
23 |
Correct |
0 ms |
5108 KB |
Output is correct |
24 |
Runtime error |
0 ms |
5108 KB |
Execution killed because of forbidden syscall writev (20) |
25 |
Halted |
0 ms |
0 KB |
- |