Submission #1316024

#TimeUsernameProblemLanguageResultExecution timeMemory
1316024yus1f_mKpart (eJOI21_kpart)C++20
0 / 100
2094 ms2620 KiB
#pragma GCC optimize("O3") #include <bits/stdc++.h> #define ll long long #define str string #define pb push_back #define pf push_front #define in insert #define all(v) v.begin(),v.end() const ll sz=6000001,INF=1000000000; using namespace std; bitset<sz>dp; bool f(vector<ll>nums) { ll sum=0,sum1=0,sum2=0; for(int i=0;i<nums.size();i++) { sum+=nums[i]; } if(sum%2==0) { dp.reset(); dp[0]=1; for(int i=0;i<nums.size();i++) { dp|=(dp<<nums[i]); } return dp[sum/2]; } else { return false; } } void solve() { ll n,num; bool flag; cin>>n; vector<ll>nums,Nums,ans; for(int i=0;i<n;i++) { cin>>num; nums.pb(num); } for(int i=2;i<=n;i++) { flag=false; for(int j=1;j<=n-i+1;j++) { Nums.clear(); for(int k=j;k<=j+i-1;k++) { Nums.pb(nums[k-1]); } if(!f(Nums)) { flag=true; break; } } if(!flag) { ans.pb(i); } } cout<<ans.size()<<" "; for(int i=0;i<ans.size();i++) { cout<<ans[i]<<" "; } cout<<"\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr),cout.tie(nullptr); ll t=1; cin>>t; while(t--) { solve(); } }
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