#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
//#include "xylophone.h"
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define endl "\n"
int mod=67289407956;//1e9+7;
const int N=505;//2e5+5;
const int M=250005;
template<class x>
using ordered_multiset = tree<x, null_type,less_equal<x>, rb_tree_tag,tree_order_statistics_node_update>;
int n,sum;
int v[N],dp[N],kk[N];
vector<int> ans;
void remove(int nm) {
for (int j=nm;j<=M;j++) {
dp[j]-=dp[j-nm];
if (dp[j]>=mod) dp[j]%=mod;
}
}
void add(int nm) {
for (int j=M;j>=nm;j--) {
dp[j]+=dp[j-nm];
if (dp[j]>=mod) dp[j]%=mod;
}
}
signed main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//freopen(".in", "r", stdin); freopen(".out", "w", stdout);
cin>>n;
for (int i=0;i<n;i++) {
cin>>v[i];
sum+=v[i];
}
dp[0]=1;
for (int i=0;i<n;i++) {
for (int j=M;j>=v[i];j--) {
dp[j]+=dp[j-v[i]];
if (dp[j]>=mod) dp[j]%=mod;
}
}
if (dp[sum/2]==0 || sum%2!=0) {
cout<<0;
return 0;
}
for (int i=1;i<=sum;i++) {
kk[i]=1;
}
for (int i=0;i<n;i++) {
remove(v[i]);
for (int j=1;j<=sum;j++) {
int nw=sum-v[i]+j;
if (nw/2<j) {kk[j]=0; continue;}
if (dp[(nw/2)-j]==0 || (j+v[i])%2!=0) kk[j]=0;
}
add(v[i]);
}
for(int i=1;i<=M;i++) {
if (kk[i]==1) ans.push_back(i);
}
cout<<ans.size()<<endl;
for (int i:ans) cout<<i<<' ';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |