Submission #1262669

#	Time	Username	Problem	Language	Result	Execution time	Memory
1262669		iordache_	Kpart (eJOI21_kpart)	C++20	0 / 100	129 ms	840 KiB

Main

#include <bits/stdc++.h>
#define pb push_back
#define int long long
using namespace std;
const int N=1e3+5;
int v[N];
void solve()
{
    int n;
    cin>>n;
    for(int i=1;i<=n;++i) cin>>v[i];
    vector<bool> ans(n+5,1);
    vector<int> dp(50005);
    for(int i=1;i<=n;++i)
    {
        dp[v[i]]=i;
        for(int j=50000;j>v[i];--j) dp[j]=max(dp[j],dp[j-v[i]]);
        int ss=0;
        for(int j=i;j>=1;--j)
        {
            ss+=v[j];
            if(ss&1) {ans[i-j+1]=0;continue;}
            if(dp[ss/2]<j) ans[i-j+1]=0;
        }
    }
    vector<int> ot;
    for(int i=1;i<=n;++i) if(ans[i]) ot.pb(i);
    cout<<ot.size()<<" ";
    for(auto x:ot) cout<<x<<" ";
}
signed main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int t=1;cin>>t;
    while(t--) {solve();cout<<'\n';}
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 70